Chigo Air Conditioner Error Codes



Overview:

Error CodesSolution
E1Condenser temperature aensor fault
E2Room temp. sensor fault
E3Coil temp. sensor fault
E4Outdoor unit abnormal
E5No feedback signal of indoor fan
E6No over zero signal
E7Outdoor feedback fault
E8Frost protection/over heat protection
F1 Communication fault
F2Ambient temp. sensor fault
F3Coil pipe temp. sensor of indoor unit fault
F4Fan motor of indoor
F5 Module of outdoor unit fault
F6Ambient temp. sensor of outdoor fault
F7Coil pipe temp. sensor of outdoor unit fault
F8Suction temp. sensor of compressor fault
F9Discharge temp. sensor of compressor fault
FAInductor of current or voltage fault
FC Compressor drive fault
FDPhase lacking or phase sequence fault
FEGas return sensor fault
FF Other fault
P1Temp. of evaporator protection
P2Overheat, over current protection of inverter module
P3Over current protection
P4Discharge temp. of compressor protection
P5Over heat of compressor top protection
P6Suction temp. of compressor protection
P7Low or high voltage protection
P8  Low presser of gas return protection
P9High pressure of discharge protection
PAHigh temp. of condenser protection
PC  High temp. of outdoor ambient protection
PFOther protection
DFDefrost indication

Content:

  1. Wall Split AC Series
  2. Floor Standing AC Series
  3. Portable AC Series
  4. Dehumidifer
  5. DC Inverter Single Split Series
  6. DC Inverter Multi-Split Series
  7. VRF System Error Codes

1. Wall Split AC Series Error Codes;

Chigo Wall Split AC Series Error Codes
Chigo Wall Split AC Series Error Codes

Code: DF




Failure: Defrost indication

The reason of fault and solution: Normal, the defrost state is removed, it will return to normal condition automatically

Code: E2

Failure: Room temp. sensor fault

The reason of fault and solution:

  1. Check whether the resistance of the sensor is normal (the resistance is 5КΩ in the normal temperature 25 ) ℃ , when it is abnormal the sensor should be replaced.
  2. Check whether there is short circuit or open circuit in the wire of the sensor, and whether the plug is connected well, whether there is welding off or rosin joint on the electric control board, if there is any, it should be repaired.
  3. When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced.

Code: E3

Failure: Coil temp. sensor fault

The reason of fault and solution:

  1. Check whether the resistance of the sensor is normal (the resistance is 5КΩ in the normal temperature 25 ) ℃ , when it is abnormal the sensor should be replaced.
  2. Check whether there is short circuit or open circuit in the wire of the sensor, and whether the plug is connected well, whether there is welding off or rosin joint on the electric control board, if there is any, it should be repaired.
  3. When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced.

Code: E4

Failure: Outdoor unit abnormal

The reason of fault and solution:




  1. Check whether the winding resistance and operation current of the compressor are normal.
  2. Check whether the high and low pressure is normal when the unit is running.
  3. Check (whether the coil pipe sensor is normal) whether the contact of the inserter on the circuit board is well, the coil pipe temperature sensor is fixed, the evaporation of the indoor unit is well, the key is to check the evaporator temperature detected by the coil pipe temperature sensor has reached the cooling or heating temperature.
  4. Check whether the surface of the condenser is too dirty, it should be cleaned when it is too dirty.
  5. Check whether the capacitance of the outdoor motor and the fan is damaged, it should be replaced when

Code: E5

Failure:  No feedback signal of indoor fan

The reason of fault and solution:

  1. Check whether two sets of plugs on the outlet end of the motor have loosed from the socket of the electric control board, insert it firmly when loosing.
  2. Check whether the indoor motor has damaged, the motor should be replaced when it is damaged
  3. Check whether the controllable silicon and other components on the electric control board have damaged, replace the controllable silicon or electric control board when they are damaged.

Code: E6

Failure: No over zero signal

The reason of fault and solution:

  1. Firstly check whether the indoor fan is normal.
  2. Check whether the signal outputting from the integrated chip of the electric control board is normal, the electric control board should be replaced when the signal is abnormal.

Code: E7

Failure: Outdoor feedback fault

The reason of fault and solution:

  1. Check whether the winding resistance and operation current of the compressor are normal
  2. Check whether the high and low pressure is normal when the unit is running.
  3. Check whether the indoor and outdoor wiring is right; when it is wrong, connect them again according to the circuit diagram
  4. Check whether the contact of the inserter on the circuit board and the connection are well, otherwise repair.
  5. Check whether the signal feedback wire is disconnected, replace or connect the feedback signal wire.
  6. Check whether the supply power is phase-lacking or phase opposition.
  7. Check whether the AC electromagnetic contactor is well.

Code: E8 

Failure: Frost protection/over heat protection

The reason of fault and solution:

  1. Check whether the filter of the indoor unit is dirty or blocked, and clean if it is dirty.
  2. Check whether the indoor fan is running normally, and replace the motor if it is abnormal.
  3. Check whether indoor pipe temperature sensor is normal, and replace the sensor if it is abnormal.
  4. Check whether the system pressure is normal, if abnormal, should check whether there is leakage, and fill the refrigerant again.
Chigo AC Remote Control
Chigo AC Remote Control

2. Floor Standing AC Serial Error Codes;

Chigo Floor Standing AC Serial Error Codes
Chigo Floor Standing AC Serial Error Codes

Code: E2

Failure: Room temp. sensor fault



The reason of fault and solution:

  1. Check whether the resistance of the sensor is normal (the resistance is 5КΩ in the normal temperature 25 ) ℃ , when it is abnormal the sensor should be replaced.
  2. Check whether there is short circuit or open circuit in the wire of the sensor, and whether the plug is connected well, whether there is welding off or rosin joint on the electric control board, if there is any, it should be repaired.
  3. When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced.

Code: E3

Failure: Coil temp. sensor fault

The reason of fault and solution:

  1. Check whether the resistance of the sensor is normal (the resistance is 5КΩ in the normal temperature 25 ) ℃ , when it is abnormal the sensor should be replaced.
  2. Check whether there is short circuit or open circuit in the wire of the sensor, and whether the plug is connected well, whether there is welding off or rosin joint on the electric control board, if there is any, it should be repaired.
  3. When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced.

Code: E4 

Failure: Outdoor unit abnormal

The reason of fault and solution:

  1. Check whether the winding resistance and operation current of the compressor are normal.
  2. Check whether the high and low pressure is normal when the unit is running.
  3. Check (whether the coil pipe sensor is normal) whether the contact of the inserter on the circuit board is well, the coil pipe temperature sensor is fixed, the evaporation of the indoor unit is well, the key is to check the evaporator temperature detected by the coil pipe temperature sensor has reached the cooling or heating temperature.
  4. Check whether the surface of the condenser is too dirty, it should be cleaned when it is too dirty.
  5. Check whether the capacitance of the outdoor motor and the fan is damaged, it should be replaced when it is damaged.
  6. If the above items are normal, the electric control board should be replaced.

Code: E7 

Failure: Outdoor feedback fault

The reason of fault and solution:

  1. Check whether the winding resistance and operation current of the compressor are normal
  2. Check whether the high and low pressure is normal when the unit is running
  3. Check whether the indoor and outdoor wiring is right; when it is wrong, connect them again according to the circuit diagram
  4. Check whether the contact of the inserter on the circuit board and the connection are well, otherwise repair.
  5. Check whether the signal feedback wire is disconnected, replace or connect the feedback signal wire.
  6. Check whether the supply power is phase-lacking or phase opposition.
  7. Check whether the AC electromagnetic contactor is well.

Code: E8 

Failure: Frost protection /over heat protection

The reason of fault and solution:

  1. Check whether the filter of the indoor unit is dirty or blocked, and clean if it is dirty.
  2. Check whether the indoor fan is running normally, and replace the motor if it is abnormal.
  3. Check whether indoor pipe temperature sensor is normal, and replace the sensor if it is abnormal.
  4. Check whether the system pressure is normal, if abnormal, should check whether there is leakage, and fill the refrigerant again.

3. Portable Air Conditioner Serial Error Codes;

Chigo Portable Air Conditioner Serial Error Codes
Chigo Portable Air Conditioner Serial Error Codes

Code: E2

Failure: Room temp. sensor fault

The reason of fault and solution:

  1. Check whether the resistance of the sensor is normal (the resistance is 5КΩ in the normal temperature 25 ) ℃ , when it is abnormal the sensor should be replaced.
  2. Check whether there is short circuit or open circuit in the wire of the sensor, and whether the plug is connected well, whether there is welding off or rosin joint on the electric control board, if there is any, it should be repaired.
  3. When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced.

Code: E3

Failure: Coil temp. sensor fault

The reason of fault and solution:

  1. Check whether the resistance of the sensor is normal (the resistance is 5КΩ in the normal temperature 25 ) ℃ , when it is abnormal the sensor should be replaced.
  2. Check whether there is short circuit or open circuit in the wire of the sensor, and whether the plug is connected well, whether there is welding off or rosin joint on the electric control board, if there is any, it should be repaired.
  3. When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced.

Code: E4

Failure: Abnormal protection

The reason of fault and solution:

  1. Check whether the operation current and power of the unit is abnormal.
  2. Check whether the speed and wind quantity of the fan is normal, otherwise replace the outdoor fan or capacitance
  3. Check whether the surface of the condenser is too dirty, and it should be cleaned when it is too dirty.
  4. Check whether the unit is short of the refrigerant, add the refrigerant after leakage detection and repair welding.
  5. Check whether the sensor and electric control board is normal, otherwise replace the board.

Code: E5

Failure: Water level over limit



The reason of fault and solution:

  1. Normal, discharge the water out, it will return to normal condition automatically
  2. Check the water level switch, and replace it when fault.

Code: E8

Failure: Over heat protection

The reason of fault and solution:

  1. Check whether the fan is normal, otherwise replace corresponding motor or capacitance.
  2. Check the resistance of the electric heater is normal, otherwise replace it.
Chigo Portable Air Conditioner Remote Control
Chigo Portable Air Conditioner Remote Control

4. Dehumidifer Series Error Codes;

Chigo Dehumidifer Series Error Codes
Chigo Dehumidifer Series Error Codes

Code: Continuous lamp flicker 2 times

Failure:Room temp. sensor fault

The reason of fault and solution:

  1. Check whether the resistance of the sensor is normal, when it is abnormal the sensor should be replaced.
  2. Check whether there is short circuit or open circuit in the wire of the sensor, and whether the plug is connected well, whether there is welding off or rosin joint on the electric control board, if there is any, it should be repaired.
  3. When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced.

Code: Continuous lamp flicker 2/3 SEC

Failure: Coil temp. sensor fault

The reason of fault and solution:

  1. Check whether the resistance of the sensor is normal, when it is abnormal the sensor should be replaced.
  2. Check whether there is short circuit or open circuit in the wire of the sensor, and whether the plug is connected well, whether there is welding off or rosin joint on the electric control board, if there is any, it should be repaired.
  3. When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced.

Code: Continuous lamp flicker 3 times

Failure: Humidity sensor fault

The reason of fault and solution:

  1. Check whether the humidity sensor is normal, otherwise replace it.
  2. Check whether the sensor wire is short circuit or open circuit, and whether the plug is well contacted, whether there is welding off or rosin joint on the electric control board, repair it if there is any above.
  3. When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced.

Code: Continuous lamp flicker 4 times

Failure: Temp. sensor and humidity sensor all fault

The reason of fault and solution:

  1. Check whether the resistance of the temperature sensor is normal, otherwise replace it.
  2. Check whether the humidity sensor is normal, otherwise replace it.

Code: Water full lamp flicker  (light 0.5 SEC, extinguish 0.5 SEC)

Failure: Water full of water tank

The reason of fault and solution: Normal, discharge the water out, it will return to normal condition automatically

5. Inverter Single Split Series Error Codes;

Chigo Inverter Single Split Series Error Codes
Chigo Inverter Single Split Series Error Codes

Code: F1 

Failure: Communication fault

The reason of fault and solution:

  1. Check whether the connection of the outdoor unit and indoor unit is one to one, otherwise connect the L, N and communication line of the indoor unit and outdoor unit one to one.
  2. Measure whether the voltage between the zero line and the communication line is 18V-30AC half-wave signal, check whether the communication circuit on the indoor and outdoor electric control board has been damaged, otherwise replace it.
  3. Check whether the LED on the outdoor power board has been on, otherwise replace the electric control board.
  4. Check whether the unit is abnormal caused by the external interference, if it is, then find the interfering source, and removes it.

Code: F2

Failure: Ambient temp. sensor fault

The reason of fault and solution:

  1. Check whether the resistance of sensor is normal, otherwise replace it.
  2. Check whether the sensor wire is short circuit or open circuit, and whether the plug is well contacted, whether there is welding off or rosin joint on the electric control board, repair it if there is any above.
  3. When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced.

Code: F3 

Failure: Coil pipe temp. sensor of indoor unit fault

The reason of fault and solution:




  1. Check whether the resistance of sensor is normal, otherwise replace it.
  2. Check whether the sensor wire is short circuit or open circuit, and whether the plug is well contacted, whether there is welding off or rosin joint on the electric control board, repair it if there is any above.
  3. When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced.

Code: F4

Failure: Fan motor of indoor

The reason of fault and solution:

  1. Check whether the contact of the plug of the motor wire and socket is well, making sure well contact
  2. Check whether the indoor motor has damaged, the motor should be replaced when it is damaged.
  3. Check whether the controllable silicon and other components on the electric control board have damaged, replace the controllable silicon or electric control board when they are damaged.

Code: F5 

Failure: Module of outdoor unit fault

The reason of fault and solution:

  1. Check whether the connection of the compressor is reliable, otherwise connect firmly again.
  2. Check whether the fixation between the IPM module and the radiator is firm.
  3. Check whether the compressor is well, otherwise replace it.
  4. Check whether the IPM module is abnormal, otherwise replace it.

Code: F6 

Failure: Ambient temp. sensor of outdoor fault

The reason of fault and solution:

  1. Check whether the resistance of sensor is normal, otherwise replace it.
  2. Check whether the sensor wire is short circuit or open circuit, and whether the plug is well contacted, whether there is welding off or rosin joint on the electric control board, repair it if there is any above.
  3. When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced.

Code: F7 

Failure: Coil pipe temp. sensor of outdoor unit fault

The reason of fault and solution:

  1. Check whether the resistance of sensor is normal, otherwise replace it.
  2. Check whether the sensor wire is short circuit or open circuit, and whether the plug is well contacted, whether there is welding off or rosin joint on the electric control board, repair it if there is any above.
  3. When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced.

Code: F8 

Failure: Suction temp. sensor of compressor fault

The reason of fault and solution:

  1. Check whether the resistance of sensor is normal, otherwise replace it.
  2. Check whether the sensor wire is short circuit or open circuit, and whether the plug is well contacted, whether there is welding off or rosin joint on the electric control board, repair it if there is any above.
  3. When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced.

Code: F9 

Failure: Discharge temp. sensor of compressor fault

The reason of fault and solution:

  1. Check whether the resistance of sensor is normal, otherwise replace it.
  2. Check whether the sensor wire is short circuit or open circuit, and whether the plug is well contacted, whether there is welding off or rosin joint on the electric control board, repair it if there is any above.
  3. When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced.

Code: FA

Failure: Inductor of current or voltage fault



The reason of fault and solution: Check whether inductor of current or voltage have been damaged, they should be replaced if they are fault.

Code: FC 

Failure: Compressor drive fault

The reason of fault and solution:

  1. Power on again, and check the operation of the compressor is normal.
  2. Check whether the connection of the compressor is reliable, otherwise repair.
  3. Check whether the components on the electric control board have been damaged, if they are damaged, the components or the electric control board should be replaced.

Code: FD

Failure: Phase lacking or phase sequence fault

The reason of fault and solution: Check power wire voltage or change two power wires.

Code: FE

Failure: Gas return sensor fault

The reason of fault and solution:

  1. Check whether the resistance of sensor is normal, otherwise replace it.
  2. Check whether the sensor wire is short circuit or open circuit, and whether the plug is well contacted, whether there is welding off or rosin joint on the electric control board, repair it if there is any above.
  3. When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced.

Code: FF 

Failure: Other fault

Code: P1

Failure: Temp. of evaporator protection

The reason of fault and solution:

  1.  Check whether the filter of indoor unit is too dirty, and it should be cleaned when it is too dirty.
  2. Check whether it has barrier around indoor unit, it should be remove if it has.
  3. Check whether the indoor motor is damaged, it should be replaced motor or electrical control board when it is damaged.

Code:  P2 

Failure: Overheat, over current protection of inverter module

The reason of fault and solution:

  1. Check whether the fixation between the IPM module and the radiator is firm.
  2. Check whether the compressor is well, otherwise replace it.
  3. Check whether the IPM module is abnormal, otherwise replace it.

Code: P3

Failure: Over current protection

The reason of fault and solution:

  1. Check whether the ambient temperature exceeds the operation range for the air conditioner
  2. Check whether the current detection circuit is abnormal, the electric control should be replaced when it is abnormal.

Code: P4   

Failure: Discharge temp. of compressor protection

The reason of fault and solution:

  1. Check whether the air condition system and pressure are normal.
  2. Check whether the sensor, connecting wire of the sensor and the detection circuit are abnormal.

Code: P5   

Failure: Over heat of compressor top protection

The reason of fault and solution:

  1. Check whether the air condition system and pressure are normal.
  2. Check whether the sensor, connecting wire of the sensor and the detection circuit are abnormal.

Code: P6   

Failure: Suction temp. of compressor protection

The reason of fault and solution:

  1. Check whether the air condition system and pressure are normal.
  2. Check whether the sensor, connecting wire of the sensor and the detection circuit are abnormal.

Code: P7   

Failure: Low or high voltage protection

The reason of fault and solution:

  1. Check whether the supply voltage is out of rang from 150 to 270V
  2. Check the voltage detection circuit of the IPM base board is abnormal, if it is abnormal, the IPM base board or the electric control board should be replaced.

Code: P8   

Failure: Low presser of gas return protection




The reason of fault and solution: Check whether the pressure is normal when the unit is running, if it is abnormal, should detect the leakage and welding add refrigerant.

Code: P9  

Failure: High pressure of discharge protection

The reason of fault and solution: Check whether the pressure is normal when the unit is running, if it is abnormal, should detect the leakage and welding add refrigerant.

Code: PA   

Failure: High temp. of condenser protection

The reason of fault and solution:

  1.  Check whether the condenser of outdoor unit is too dirty, and it should be cleaned when it is too dirty.
  2. Check whether it is running at bad condition long time.
  3. Check whether senor and wire are normal.

Code: PC   

Failure: High temp. of outdoor ambient protection

The reason of fault and solution:

  1. Check the outdoor ambient temperature is too high or there is heat source around the outdoor unit.
  2. Check whether the sensor and sensor wire are normal.

Code: PF   

Failure: Other protection

6. DC Inverter Multi-Split Series Error Codes;

Chigo DC Inverter Multi-Split Series Error Codes
Chigo DC Inverter Multi-Split Series Error Codes

Code: F1   

Failure: Communicate fault

The reason of fault and solution:

  1. Check whether the connection of the outdoor unit and indoor unit is one to one.
  2. Check whether the unit is abnormal caused by the external interference, if it is, then find the interfering source, and removes it.
  3. Check whether the electrical control board is damage, it should be replaced when it is damaged.

Code: F2   

Failure: Indoor temp. sensor fault

The reason of fault and solution:

  1. Check whether the resistance of sensor is normal, otherwise replace it.
  2. Check whether the sensor wire is short circuit or open circuit, and whether the plug is well contacted, whether there is welding off or rosin joint on the electric control board, repair it if there is any above.
  3. When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced.

Code: F3   

Failure: Outlet e temp. sensor of indoor unit coil pipe fault

The reason of fault and solution:

  1. Check whether the resistance of sensor is normal, otherwise replace it.
  2. Check whether the sensor wire is short circuit or open circuit, and whether the plug is well contacted, whether there is welding off or rosin joint on the electric control board, repair it if there is any above.
  3. When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced.

Code: F3 

Failure: Suction temp. sensor of indoor unit coil pipe fault

The reason of fault and solution:

  1. Check whether the resistance of sensor is normal, otherwise replace it.
  2. Check whether the sensor wire is short circuit or open circuit, and whether the plug is well contacted, whether there is welding off or rosin joint on the electric control board, repair it if there is any above.
  3. When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced.

Code: F3  

Failure: Middle temp. sensor of indoor unit coil pipe fault

The reason of fault and solution:

  1. Check whether the resistance of sensor is normal, otherwise replace it.
  2. Check whether the sensor wire is short circuit or open circuit, and whether the plug is well contacted, whether there is welding off or rosin joint on the electric control board, repair it if there is any above.
  3. When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced

Code: F4  

Failure: PG motor fault

The reason of fault and solution:

  1. Check whether the contact of the plug of the motor wire and socket is well, making sure well contact.
  2. Check whether the indoor motor has damaged, the motor should be replaced when it is damaged.
  3. Check whether the controllable silicon and other components on the electric control board have damaged, replace the controllable silicon or electric control board when they are damaged.

Code: P2  

Failure: Protection of module fault

The reason of fault and solution:

  1. Check whether the connection of the compressor is reliable, otherwise connect firmly again.
  2. Check whether the fixation between the IPM module and the radiator is firm.
  3. Check whether the compressor is well, otherwise replace it.
  4. Check whether the IPM module is abnormal, otherwise replace it.

Code: P3 




Failure: Over current of outdoor unit

The reason of fault and solution:

  1. Check whether the ambient temperature exceeds the operation range for the air conditioner
  2. Check whether the current detection circuit is abnormal, the electric control should be replaced when it is abnormal.

Code: P4  

Failure: Discharge temp. of compressor too high, outside ambient temp. too high, temp. switch of compressor crust cut off, temp. of module too high.

The reason of fault and solution:

  1. Check whether the pressure is normal when the unit is running, if it is abnormal, should detect the leakage and welding add refrigerant.
  2. Check whether ambient temp. is too high or too low, when the temp. more than -20 degree and less 55 degree, it can disappear automatically.
  3. communicate interference, earth wire and communicate wire can’t put in one cable.
  4. Check whether temp. switch of compressor is damage, it should be replace if it damaged.

Code: P7 

Failure: DC voltage abnormal of outdoor unit

The reason of fault and solution:

  1. Check whether the supply voltage is out of rang from 150 to 270V
  2. Check the voltage detection circuit of the IPM base board is abnormal, if it is abnormal, the IPM base board or the electric control board should be replaced.

Code: P8 

Failure: Lack refrigerant or reverse valve fault

The reason of fault and solution:

  1. Check whether the high and low pressure valves have been opened, otherwise open the valves.
  2. Check whether the indoor coil pipe temperature sensor is normal, if it is abnormal, the sensor should be replaced.
  3. Check the system pressure is abnormal, if it is abnormal, should detect leakage repairing welding and adding the refrigerant.

Code: F6

Failure: Outside sensor fault

The reason of fault and solution:

  1. Check whether the resistance of sensor is normal, otherwise replace it.
  2. Check whether the sensor wire is short circuit or open circuit, and whether the plug is well contacted, whether there is welding off or rosin joint on the electric control board, repair it if there is any above.
  3. When the 1 and 2 are both normal, then the components or integrated circuit is damaged, the electric control board should be replaced.

Code: FC

Failure: Outdoor unit drive fault, start compressor failure

The reason of fault and solution:

  1. Power on again, and check the operation of the compressor is normal.
  2. Check whether the connection of the compressor is reliable, otherwise repair.
  3. Check whether the components on the electric control board have been damaged, if they are damaged, the components or the electric control board should be replaced.

7. VRF System Error Codes;




Eror CodesCause
FEThe first time to switch on and there is no address
E0Errors of phase sequence or fault of losing phase
E1Communication failure of indoor and outdoor unit
E2T1 sensor fault
E3T2 sensor fault
E4T2B sensor fault
E5Malfunction of outdoor unit
E6Testing fault of zero-crossing signal
E7EEPROM malfunction
E8Wind testing fault of PG electric motor
E9Communication fault of wire controller
EEAlarming fault of water level switch
EFModel conflict

Chigo Air Conditioner Manual PDF

Chigo Portable AC Manual PDF




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