GB-12
6. TROUBLE SHOOTING
6.1 GUIDES, TIPS AND CAUTIONS
The following may occur during normal operation, and may not indicate malfunction.
A 3 minute delay protects the compressor.
Check that the unit is firmly plugged in and the mains socket is switch on.
Room temperature is lower than the set temperature (Cooling mode). Reset the
Temperature.
Drain the water from the bottom tray drain outlet
“Gurgling”: normal – flowing of the refrigerant inside the unit.
"Squeaking": normal expansion and contraction of plastic and metal parts.
Rushing air – normal when louver resets its position.
Check that all windows and doors are closed
Remove or switch off all heat sources if possible.
Check that the exhaust air duct is connected properly and not blocked. If blocked, clean
and re-connect.
Clean the air filter and re-fit securely before continuing operation.
Temperature setting is too high. Lower the temperature.
Move the unit to a stable, flat and level surface.
Case
Explanation / Solution
Cooling or heating is delayed.
Unit does not start or there is no power
when pressing ON/OFF.
Poor cooling performance.
Low volume sounds are emitted by
the air conditioner
Noisy or excessive vibration
6.2 ERROR CODES
LED Display
Description
Internal malfunction
Drain the water. Please refer to the section “OPERATION”
E1/E2/E3/E4
P1
1) Switch off the unit.
2) Unplug and re-plug the unit.
3) If the error persists, call for a qualified service agent for assistance
Action
Bottom tray is full
