Troubleshooting; Air Conditioner Is In Error; Remote Controller Is In Error - Omega OTEC IEWH Series Service Manual

〖Air Conditioner is in Error〗

Checking before service.
Phenomenon
Air Conditioner Does
Not Operate At All
Poor Cooling
Heating Performance

〖Remote Controller is in Error〗

The following "trouble shooting" is normal phenomenon
Phenomenon
Fan stops or
speed can not be
controlled.
TROUBLE SHOOTING
1. Check whether the power is disconnected.
2. Check whether the breaker is switched on or the fuse is burnt.
3. Check the remote controller batteries.
4. Check whether radio equipment is used within 1m around the unit.
1. Check whether the air inlet or outlet is blocked.
2. Check whether dust is blocking the filter.
or
3. There may be too many people indoors.
4. Check whether doors or windows are closed.
5. Check whether fan speed or set temperature is improper.
1. When air conditioner is in DRY mode or SLEEP mode, fan speed can'
t be controlled sometimes.
2. When air conditioner is in COOL AIRFLOW PROOF or DEFROSTING
fan operation (in HEAT mode), fan motor will stop.
3. When air conditioner is in COOL or DRY mode, if air conditioner
enters freeze-prevention operation, then fan speed can not be
controlled.
4. When air conditioner is in HEAT mode, if air conditioner enters
heating overload prevention operation, then fan speed can not be
controlled.
Checking Items
Checking Items
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