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TROUBLE SHOOTING
〖Air Conditioner is in Error〗
Checkin
g before service.
Phenomeno
n Checking Items
Air Cond
itioner Does
Not Operate At All
1. Check whether the power is disconnected.
2. Check w
hether the breaker is switched on or the fuse is burnt.
3. Check the remote control
ler batteries.
4. Check w
hether radio equipment is used within 1m around the unit.
Poor Cooli
ng or
Heating Performance
1. Check whether the air inlet or outlet is blocked.
2. Check w
hether dust is blocking the filter.
3. T
here may be too many people indoors.
4. Check w
hether doors or windows are closed.
5. Check w
hether fan speed or set temperature is improper.
〖Remote Controller is in Error〗
The fol
lowing “trouble shooting” is normal phenomenon
Phenomeno
n Checking Items
Fan stop
s or fan
speed can not be
controlled.
1. When air conditi
oner is in DRY mode or SLEEP mode, fan speed can’
t be controlled sometimes.
2. When air c
onditioner is in COOL AIRFLOW PROOF or DEFROSTING
operation (in HEAT mode), fan motor will stop.
3. When air cond
itioner is in COOL or DRY mode, if air conditioner
enters freeze-prevention operation, then fan speed can not be
controlled.
4. When air c
onditioner is in HEAT mode, if air conditioner enters
heating overload prevention operation, then fan speed can not be
controlled.
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