GIA giatsu PREMIUM R32 Manuel De L'utilisateur Et D'installation page 64

Error Analysis
If your conditioning unit runs abnormally, please check the following items before contact the
maintenance serviceman.
Table 11
Failed starup
Stop after a short while of opration
Poor cooling effect
Poor heating effect
Note:
If the air conditioner still runs abnormally after the above check and handling, please contact
the maintenance serviceman at the local appointed service center.
Errors Possible causes
1. The power supply is not connected.
2. Electrical leakage of air-conditioning unit
causes tripping of the leakage switch.
3. The operating keys are locked.
4. Voltage is too low.
The air inlet/outlet of the indoor/outdoor unit is
clogged.
1. The air filter is dirty or blocked.
2. There is heat source or too many people
inside the room.
3. The door or window is open.
4. There is obstacle at the air intake or outlet.
5. The set temperature is too high.
6. There is refrigerant leakage.
7. The performance of room temperature
sensor becomes worse.
1. The air filter is dirty or blocked.
2. The door or window is not firmly closed.
3. The set room temperature is too low .
4. There is refrigerant leakage.
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