GD Midea Refrigerant Equipment Co. Ltd Service manual for Electrolux split Series
24
PROBLEM CAUSE REMEDY
Outdoor transformer
failure
Replace if failure.
Indoor PCB failure Replace the PCB if the photon coupling on indoor PCB is failure.
Insufficient
cooling or
heating.
Indoor PCB failure Replace after checked failure.
Lack of refrigerant
Check leakage. Recycle the refrigerant. Correct and recharge if there is
any leakage in the refrigerant system.
Soft starter module
failure
Check the module and the capacitor connected to the module. Replace
if failure.
Overcurrent protector
failure
Check the resistance of compressor overcurrent protector. Replace if
failure.
Compressor
protection
Outdoor PCB failure Replace after checked failure.
Temperature sensor
failure
Replace after checked failure.
Connector failure or
loose
Repair or replace the sensor.
Open or short
circuit of outdoor
temperature
sensor
Outdoor PCB failure Replace after checked failure.
Temperature sensor
failure
Replace after checked failure.
Connector failure or
loose
Repair or replace the sensor.
Room temp or
evap temp
sensor open or
short circuit
Indoor PCB failure Replace after checked failure.
Soft starter module
failure
Check the module and the capacitor connected to the module. Replace
if failure.
Over load or too
low voltage
protection
Power failure Wait if checked the power voltage is really too low.
Wiring failure Correct if indoor fan motor wiring is loose.
Indoor fan motor
failure
Check the input of fan motor. Replace if failure.
Fan speed
beyond control
Indoor PCB failure Replace after checked failure.
Zero-crossing
error
Indoor PCB failure Replace after checked failure.
LED failure Replace the display if checked failure.
No display on
indoor unit.
Remote control shut
the display
Push the button to turn the display on.
No power Check the voltage. Call an electrician if not within the limit.
Wiring Check the terminals. Repair and correct if loose.
Temperature setting Check and adjust the temperature setting.
Mode setting Check and adjust the mode setting.
Soft starter module
failure
Check the module and the capacitor connected to the module. Replace
if failure.
Reverse valve
solenoid coil
Check the reverse valve solenoid coil. Replace the coil if short, open or
damaged.
No cooling or
heating.
Reverse valve
If the reverse valve is blocked, the heating mode will not perform.
Replace the reverse valve after checking the reason.
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