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Clear 22: Discharge temperature protection (permanent stoppage)
LED
Hydraulic Unit
Outdoor Unit
Green
Red
ÀDVKHV
ÀDVK
ÀDVKHV
Probable causes:
Valve is close.
EEV failure.
Gas leak, less.
Discharge Thermistor failure.
Outdoor Fan operation failure.
Outdoor Heat Exchanger clogged.
Check:
Clear 22:
1. Check if gas valve is open:
If it is not open, open it and check the
operation.
2. Check EEV and Strainer:
Are EEV and Strainer open?
If EEV or Strainer is defective, replace it.
OK
Cooling mode
1. Check if liquid valve is open:
If it is not open, open it and check the
operation.
2. Check EEV and Strainer:
Are EEV and Strainer open?
If EEV or Strainer is defective, replace it.
OK
Heating mode
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.
OK
OK
4. Check Discharge Pipe Thermistor:
- Is it on the holder?
- Is there a cable pinched?
Check characteristics of thermistor (Refer to Clear 7), If defective, replace the thermistor
OK
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.
OK
6. Check Outdoor Fan:
Check Outdoor Fan Motor. (Refer to Clear 18)
If the Fan Motor is failure, replace it.
OK
Maintenance document "1546 - EN"
Outoor unit - excellia (duo)
WOYGxxxLCT_WOYKxxxLCT
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