Trouble shooting 17
OUTDOOR UNIT Error Method:
Detective Actuators: Detective details:
Forecast of Cause :
Check Point 3 : Check Outdoor Fan
OK
OK
Indicate or Display:
OKOK
OKOK
Check Point 1 : Check connections condition in control unit
Excessive High Pressure
Protection On Cooling
1. Connection failure 2. Outdoor Fan operation failure
3. Outdoor Heat Exchanger clogged 4. Thermistor failure 5. EEV failure 6. Inverter PCB failure
Check if the terminal connection is loose.
Check if connector is removed.
Check if connector is erroneous connection.
Check if cable is open.
>> Upon correcting the removed connector or mis-wiring, reset the power.
Check Point 2 : Check Outdoor Heat Exchanger
Is there any obstructing the air flow route?
Is there any clogging of outdoor unit Heat Exchanger?
>> If clogged, clear the cloge it.
Check Outdoor Fan Motor. (Refer to Trouble shooting 14)
>> If the Fan Motor is failure, replace it.
Check Thermistor. (Refer to Trouble shooting 7)
>> If the Thermistor is failure, replace it.
Check Point 5 : Check EEV
Check Point 4 : Check Thermistor
Check EEV. (PARTS INFORMATION 3)
>> If the EEV is failure, replace it.
In cooling operation, after 1 minute or more compressor starts,
when outdoor heat exchanger temperature is 68 °C and above.
02-19
Check Point 6 : Replace Inverter PCB
OKOK
If Check Point 1 ~ 5 do not improve the symptom, replace Inverter PCB.
Outdoor Unit Inverter PCB
Outdoor Fan Motor
Heat Exchanger Temp. Thermistor
Outdoor unit EEV
Refer to error code table.
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