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TROUBLESHOOTING
Before seeking repair or service, please check the following:
PROBLEM
Unit does not operate or
only runs in fan mode.
Cooling efficiency is not
satisfactory.
Unit is noisy or vibrates.
The unit starts and
stops frequently.
ERROR MESSAGES
Diagnostic system indicators appear if any of the following interrupts operation of the unit. The unit may require simple
maintenance or repair by a qualified service technician.
CODE
FAULT E1
FAULT E2
FAULT E3
FAULT E4
POSSIBLE CAUSE
Is the unit plugged in?
Is the main power supply on?
Is the water container full indicator light on?
Is the timer set?
Is the air inlet or outlet blocked?
Is there any other heat source in the room?
Are the air filters dirty?
Is the temperature setting suitable?
Is the fan speed set at low?
Is the machine positioned unevenly on a
level surface?
Is the voltage from the power source correct? Use a proper power source.
Is the exhaust hose positioned incorrectly?
DIAGNOSIS
Faulty room temperature sensor
Faulty inside sensor.
Internal frost in the unit.
Unit malfunctions.
REMEDY
Securely plug the power cord into the wall outlet.
Re-establish the main power supply.
Empty the water container.
Change timer settings.
Clear the blocking.
Move the heat source.
Clean the air filters.
Change the temperature setting.
Increase the fan speed.
Place the unit on a level surface.
Position the exhaust hose correctly and keep the
exhaust hose straight as possible.
ACTION
Contact customer service for repair or service.
Contact customer service for repair or service.
Wait for unit to defrost
Contact customer service for repair or service.
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