Malfunction Analysis
Please check below items before asking for servicing. If the malfunction still cannot be eliminated, please
contact distributor or manufacturer.
NOTICE: Not all the following problems are malfunctions.
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 devices, 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,
overheating, 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.
Air conditioner cycles on and
off to much or does not cool.
Wait after voltage is resumed.
The filter is dirty or obstructed by
debris.
The set temperature is not set
properly.
Windows or doors to the outside are
open.
Close all windows and doors.