8
Troubleshooting
Supply power is abnormal
Find out the reason, improve the power supply condition
and add regulated power supply
The radiating for evaporator and condensor is not
good; poor air ventilation
Eliminate the dust on evaporator and condenser and
get rid of the obstacles at the air outlet
The capacity of A/C isn't match with the room areas
Select the A/C which is applicalbe for room area
Refrigerant is insufficient or superfluous
Adjust the refrigerant volume
Capillary is blocked and the suction temperature is rising
Replace the capillary
Compressor is stuck and it can't run smoothly;
discharge valve is damaged
Replace the compressor
Malfunction of the protector
Check whether the contact is conducted with universal meter
when the compressor isn't heating, If not, please replace the
protector
A/C is leaking
There's too much dust in condensate water
tray and the drain hole is blocked
Clean the water tray to conduct the drain hole
Compressor hasn't been installed well; the base isn't stable
Check whether the base is firm
The unit hasn't placed flatly and stably
Adjust the unit's position
Unit's support is unstable
Strengthen the support or refit it
There are foreign objects on the unit
Get rid of the foreign objects
Screws are loosened
Tighten the screws
Abnormal vibration and
noise
Compressor is overheating,
which lead to the action of
the protector
Compressor will be
turned on/off frequently
Notice: The above malfunction analyses are only for reference.
