Hisense VRF Air Conditioner Error Codes



Inverter-driven Multi-split Air Conditioner (Heat Pump)

Error CodesProblem
01Activation of Protection Device (Float Switch). Activation of Float Switch.
02Activation of Protection Device (High Pressure Cut). Activation of PSH.
03Abnormality between Indoor and Outdoor. Incorrect Wiring, Loose Terminals, Disconnect Wire, Blowout of Fuse, Outdoor Unit Power OFF.
04Abnormality between Inverter PCB and Outdoor PCB. Inverter PCB - Outdoor PCB Transmission Failure.
04.Abnormality between Fan Controller and Outdoor PCB. Fan Controller - Outdoor PCB Transmission Failure.
05Abnormality Power Source Phases. Incorrect Power Source, Connection to Reversed Phase, Open-Phase.
06Abnormal Inverter Voltage. Outdoor Voltage Drop, Insufficient Power Capacity.
06.Abnormal Fan Controller Voltage. Outdoor Voltage Drop, Insufficient Power Capacity.
07Decrease in Discharge Gas Superheat. Excessive Refrigerant Charge, Failure of Thermistor, Incorrect Wiring, Incorrect Piping Connection, Expansion Valve Locking at Opened Position (Disconnect Connector).
08Increase in Discharge Gas Temperature. Insufficient Refrigerant Charge, Pipe Clogging, Failure of Thermistor, Incorrect Wiring, Incorrect Piping Connection, Expansion Valve Locking at Closed Position (Disconnect Connector).
0AAbnormality between Outdoor and Outdoor. Incorrect Wiring, Breaking Wire, Loose Terminals.
0bIncorrect Outdoor Unit Address Setting. Duplication of Address Setting for Outdoor Units (Sub Units) in Same Refrigerant Cycle System.
0CIncorrect Outdoor Unit Main Unit Setting. Two (or more) Outdoor Units Set as “Main Unit” Exist in Same Refrigerant Cycle System.
11Inlet Air Thermistor. Incorrect Wiring, Disconnecting Wiring Breaking Wire, Short Circuit.
12Outlet Air Thermistor. Incorrect Wiring, Disconnecting Wiring Breaking Wire, Short Circuit.
13Freeze Protection Thermistor. Incorrect Wiring, Disconnecting Wiring Breaking Wire, Short Circuit.
14Gas Piping Thermistor. Incorrect Wiring, Disconnecting Wiring Breaking Wire, Short Circuit.
19Activation of Protection Device for Indoor Fan. Fan Motor Overheat, Locking.
21High Pressure Sensor. Incorrect Wiring, Disconnecting Wiring Breaking Wire, Short Circuit.
22Outdoor Air Thermistor. Incorrect Wiring, Disconnecting Wiring Breaking Wire, Short Circuit.
23Discharge Gas Thermistor on Top of Compressor. Incorrect Wiring, Disconnecting Wiring Breaking Wire, Short Circuit.
24Heat Exchanger Liquid Pipe Thermistor. Incorrect Wiring, Disconnecting Wiring Breaking Wire, Short Circuit.
25Heat Exchanger Gas Pipe Thermistor. Incorrect Wiring, Disconnecting Wiring Breaking Wire, Short Circuit.
29Low Pressure Sensor. Incorrect Wiring, Disconnecting Wiring Breaking Wire, Short Circuit.
31Incorrect Capacity Setting of Outdoor Unit and Indoor Unit. Incorrect Capacity Code Setting of Combination Excessive or Insufficient Indoor Unit Total Capacity Code.
35Incorrect Setting of Indoor Unit No. Duplication of Indoor Unit No. in same Ref. Gr.
36Incorrect of Indoor Unit Combination. Indoor Unit is Designed for R22.
38Abnormality of Picking up Circuit for Protection in Outdoor Unit. Failure of Protection Detecting Device (Incorrect Wiring of Outdoor PCB)
39Abnormality Running Current at Constant Speed Compressor. Overcurrent, Blowout Fuse, Current Sensor Failure, Instantaneous Power Failure, Voltage Drop, Abnormal Power Supply.
3AAbnormality of Outdoor Unit Capacity. Outdoor Unit Capacity > 1350KBtu/h.
3bIncorrect Setting of Outdoor Unit Models Combination or Voltage. Incorrect Setting of Main and Sub Unit(s) Combination or Voltage.
3dAbnormality Transmission between Main Unit and Sub Unit(s). Incorrect Wiring, Disconnect Wire, Breaking Wire, PCB Failure.
43Activation of Low Pressure Decrease Protection Device. Defective Compression (Failure of Compressor of Inverter, Loose Power Supply Connection).
44Activation of Low Pressure Increase Protection Device. Overload at Cooling, High Temperature at Heating, Expansion Valve Locking (Loose Connector).
45Activation of High Pressure Increase Protection Device. Overload Operation (Clogging, Short-Pass), Pipe Clogging, Excessive Refrigerant, Inert Gas Mixing.
47Activation of Low Pressure Decrease Protection Device (Vacuum Operation Protection). Insufficient Refrigerant, Refrigerant Piping, Clogging, Expansion Valve Locking at Open Position (Loose Connector).
48Activation of Inverter Overcurrent Protection Device. Overload Operation, Compressor Failure.
51Abnormal Inverter Current Sensor. Current Sensor Failure.
53Inverter Error Signal Detection. Driver IC Error Signal Detection (Protection for Overcurrent, Low Voltage, Short Circuit).
54Abnormality of Inverter Fin Temperature. Abnormal Inverter Fin Thermistor, Heat Exchanger Clogging, Fan Motor Failure.
55Inverter Failure. Inverter PCB Failure.
57Activation of Fan Controller Protection. Driver IC Error Signal Detection (Protection for Overcurrent, Low Voltage, Short Circuit), Instantaneous Overcurrent.
5AAbnormality of Fan Controller Fin Temperature. Fin Thermistor Failure, Heat Exchanger Clogging, Fan Motor Failure.
5bActivation of Overcurrent Protection. Fan Motor Failure.
5cAbnormality of Fan Controller Sensor. Failure of Current Sensor (Instantaneous Overcurrent, Increase of Fin Temperature, Low Voltage, Earth Fault, Step-Out).
EECompressor Protection Alarm (It is can not be reset from remote Controller). This alarm code appears when the following alarms* occurs three times within 6 hours. *02, 07, 08, 39, 43 to 45, 47.
b1Incorrect Outdoor Unit Address Number or Unit Number Setting. Over 64 Number is Set for Address or Refrigerant Cycle.
b5Incorrect Indoor Unit Connection Number Setting. More than 17 Non-Corresponding to Hi-NET II Units are Connected to One System.
FE-Error Codes Indicated By Wire Remote Controller
FE-Error Codes Indicated By Wire Remote Controller

Hisense VRF Air Conditioner Manual PDF

Hisense VRF Air Conditioner Manual PDF 2




Hisense AC Error Codes and Troubleshooting




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