Troubleshooting - Haier AD242ALEAA Operation Manual And Installation Manual

Troubleshooting

Please check the following things about your air conditioner before making a
Is the power source switch
adjust cut in?
ON
OFF
Power supply switch is not
ON.
Is the thermostat adjusted as
required?
Isn't sun-shine invading direct?
When the air conditioner does not operate properly after you have checked the above mentioned items or when the following
phenomenon is observed, stop the operation of the air conditioner and contact your sales dealer.
The fuse or breaker often shuts down.
Water drops off during cooling operation.
There is an irregularity in operation or abnormal sound is audible.
Unit fails to start
Is city supply power in normal? Isn't the signal receiving
Power
stoppage?
Cooling or heating is not sufficient
Isn't the air filter dirty?
Cooling is not sufficient
Isn't any unexpected heating
load generated?
service call.
section exposed to the direct
sunlight or strong illumination?
Isn't any doors or windows left
open?
Isn't the room much crowded? The wind does not blow during
14
Isn't the earth leakage breaker
in action?
It is dangerous. Turn off the
p o w e r s u p p l y s w i t c h
immediately and contact the
sales dealer.
Doesn't any obstacle exist at
the air inlet or outlet?
heating operation.
Isn't it warming up?