Haier AD182AMEAA Operation & Instruction Manual page 8

Malfunction
Is the power source
switch adjust cut in?
Is the thermostat adjust
as required?
Isn't the swing louver
horizontal?
(At HEATING mode)
The wind does not blow
during heating operation
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Unit fails to start
Is city supply power in
normal?
Cooling or heating is not sufficient
Isn't the air filter dirty? Isn't any doors or windows
Cooling is not sufficient
Isn't sun-shine invading
direct?
Isn't the signal receiving
section exposed to the
direct sunlight or strong
illumination?
left open?
Isn't any unexpected
heating load generated?
Isn't the earth leakage
breaker in action?
Doesn't any obstacle
exist at the air inlet or
outlet?
Isn't the room much
crowded?