Trouble shooting 16
OUTDOOR UNIT Error Method:
Indicate or Display:
Detective Actuators: Detective details:
Forecast of Cause :
Discharge Temperature Error
Outdoor Unit Inverter PCB
Discharge Pipe Temperature Thermistor
02-18
When the discharge temperature becomes higher than 115°C.
When detecting it 2 times within 24 hours, the compressor stops.
Check Point 1 : Check if gas valve is open
If it is not open, open it and check the operation.
Check Point 3 : Check if gas leak or less gas
Measure gas pressure, if there is a leak, correct it.
>> If recharging refrigerant, make sure to perform
vacuuming and recharge the specified amount.
Check Point 5 : 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 clog.
Check Point 4 : Check Discharge Pipe Thermistor
Is it on the holder?
Is there a cable pinched?
>> Check characteristics of thermistor (Refer to Trouble shooting 6),
If defective, replace the thermistor.
Check Point 2 : Check EEV and Strainer
Are EEV and Strainer open?
(Refer to PARTS INFORMATION 3)
>> If EEV or Strainer is defective, replace it.
OK
OK
OK
OK
OK
OK
MPa MPa
1. Valve is close 2. EEV failure 3. Gas leak, less 4. Discharge Thermistor failure
5. Outdoor Fan operation failure 6. Outdoor Heat Exchanger clogged
< Cooling mode >
< Heating mode >
Check Point 1 : Check if liquid valve is open
If it is not open, open it and check the operation.
Check Point 2 : Check EEV and Strainer
Are EEV and Strainer open?
(Refer to PARTS INFORMATION 3)
>> If EEV or Strainer is defective, replace it.
Refer to error code table.
Check Point 6 : Check Outdoor Fan
OK
Check Outdoor Fan Motor. (Refer to Trouble shooting 14)
>> If the Fan Motor is failure, replace it.
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