32
MALFUNCTION ANALYSIS
You can solve many common air conditioner problems easily, saving you the cost of a service call.
Try the suggestions below to see whether you can solve your problem without needing to use
outside help.
Issue
Possible Causes
Solution
Air conditioner
will not
operate.
The power supply cord is unplugged.
Plug into grounded 3 prong outlet.
There is a power failure.
Wait after power recovery.
The power supply cord trips (Reset
button will pop out).
Press and release RESET (listen for click;
Reset button will latch and on some de-
vices, a green light will turn on) to resume
operation. See below for more details.
A household fuse has blown, or
circuit breaker has tripped.
Replace the fuse or reset the circuit
breaker. See below for more details.
Depending on model, the Power
button has not been pressed or the
Fan Speed control is turned to Off.
Press POWER button or turn the FAN
SPEED control to an active setting.
The local power has failed.
Wait for power to be restored.
Air conditioner
blows fuses or
trips circuit
breakers.
Too many appliances are being used
on the same circuit.
Unplug or relocate appliances that share
the same circuit.
Time-delay fuse or circuit breaker of
the wrong capacity is being used.
Replace with a time-delay fuse or circuit
breaker of the correct capacity.
An extension cord is being used.
Do not use an extension cord with this
or any other appliance.
You are trying to restart the air
conditioner too soon after turning
the unit off.
Wait at least 3 minutes after turning the
unit off before trying to restart the air
conditioner.
Air conditioner
power supply
cord trips (Reset
button pops
out).
Disturbances in your electrical
current can trip (Reset button will
pop out) the power supply cord.
Press and release RESET (listen for click;
Reset button will latch and on some
devices, a green light will turn on) to
resume operation.
An electrical overloading, over-
heating, pinching or aging can trip
(Reset button will pop out) the power
supply
cord
.
After correcting the problem, press
and release RESET (listen for click; Reset
button will latch and on some devices,
a green light will turn on) to resume
operation.
NOTE:
A damaged power supply cord must be replaced with a new power
supply cord obtained from the product manufacturer. A damaged power supply
cord must not be repaired.
Temperature
can't be ad-
justed
Is the temperature operating
under auto or fan mode?
The temperature cannot be ajust under
auto or fan mode
Does the required temperature
exceeds the allowed temperature
interval?
The temperature can only be ajusted
between 61°F (16°C) and 86°F (30°C)
There is an
odour
There's a source of odour in the
room such as furniture, cigarettes,
etc.
Eliminate odour source.
Clean filter
