Daewoo AC Error Codes and Troubleshooting



The following table shows the fault protections.

Daewoo Air Conditioner Error Codes and Troubleshooting
Daewoo Air Conditioner Error Codes and Troubleshooting
Error CodesSolution
Indoor unit LED display function
E0EEPROM error
E1 Indoor and outdoor communication error
E2Zero-crossing examination error
E3 Fan speed beyond control
E5 Outdoor units temp. sensor or connector of temp. sensor is defective
E6 Indoor units temp. sensor or connector of temp. sensor is defective
P0 Inverter module protection
P1 Outdoor voltage protection
P2 Compressor top protection against temperature
P3Compressor current protection
P5 Outdoor low temp. protection
Outdoor unit LED display function
E0 EEPROM error
E1No 1 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective
E2 No 2 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective
E3 No 3 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective
E4Outdoor temp. sensor or connector of temp. sensor is defective
E5 Compressor voltage protection
E6 No 4 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective
E7Indoor and outdoor communication error
P0Compressor top protection against temperature
P1High pressure protection
P2 Low pressure protection
P3Compressor current protection
P4Inverter module protection
P5 Outdoor low temp. protection
P6 Condenser high-temperature protection
Refrigeration Cycle Diagram
Refrigeration Cycle Diagram

Troubleshooting

Before requesting service, please refer to the chart below for possible solutions:

Symptoms: No power

Possible Cause:




  1. Power failure.
  2. Line voltage too low.
  3. Unit is unplugged or not completely plugged in.
  4. Unit is off.
  5. Batteries in remote are weak or dead.
  6. EMERGENCY/REMOTE switch is not set to REMOTE.

Possible Solutions:

  1. Restore the power.
  2. Contact electrician to install new outlet.
  3. Insert plug all the way.
  4. Turn unit on.
  5. Replace remote’s batteries.
  6. Slide EMERGENCY/REMOTE to REMOTE.

Symptoms: The compressor does not turn on. (no cool air)

Possible Cause:

  1. When the unit is first plugged in and turned on, the compressor will delay turn on for 3 minutes.
  2. If the unit is turned off and then immediately back on, the compressor will delay for 3 minutes.
  3. The air filter(s) is dirty or clogged.
  4. Unit is located near a heat source (heater, stove, etc.)
  5. A door or window is open.
  6. There is an obstacle in front of intake or indoor unit.
  7. Thermostat is set too high.

Possible Solutions:

  1. Wait 3 minutes for the unit to operate.
  2. Wait 3 minutes for the unit to operate.
  3. Clean or replace filter(s).
  4. When locating unit for the first time,make sure it is in a desirable location.
  5. Shut door or window.
  6. Remove obstacle.
  7. Set thermostat lower.

Symptoms: Strange sounds occur

Possible Cause: During operation, especially after turning it on or off, refrigerant flows inside the unit.

Possible Solutions: This is normal.

Symptoms: Strange smells occur.

Possible Cause: The fan is bringing out the smells of the carpet, walls, etc.

Possible Solutions: The smell should go away shortly.

Symptoms: No remote operation.




Possible Cause:

  1. Batteries are weak, dead or inserted improperly.
  2. Remote is out of range.
  3. Remote not aimed at sensor.
  4. There is an obstruction between unit and remote.

Possible Solutions:

  1. Replace batteries.
  2. Move closer to unit.
  3. Aim remote at sensor.
  4. Remove obstruction.

Self-Diagnostic Function

Error CODE- Display- Check point
Error CODE- Display- Check point
Failure phenomenon- Operation lamp -Timer lamp -Fan lamp
Failure phenomenon- Operation lamp -Timer lamp -Fan lamp



Indoor fan does not operate at all (E6).

How to fix E6
How to fix E6

Product does not operate at all.

Product does not operate at all
Product does not operate at all

Daewoo Air Conditioner Remote Control

Daewoo Air Conditioner Remote Control
Daewoo Air Conditioner Remote Control

 

Daewoo Air Conditioner Service Manual PDF




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