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TROUBLESHOOTING
Before seeking repair or service, please check the following:
PROBLEM POSSIBLE CAUSE REMEDY
Is the unit plugged in? Securely plug the power cord into the wall outlet.
Is the main power supply on? Reestablish the main power supply.
Is the water container full indicator light on? Empty the water container.
Unit does not operate or
only runs in fan mode.
Is the timer set? Change timer settings.
Is the air inlet or outlet blocked? Clear the blocking.
Is there any other heat source in the room? Move the heat source.
Are the air filters dirty? Clean the air filters.
Is the temperature setting suitable? Change the temperature setting.
Cooling efficiency is not
satisfactory.
Is the fan speed set at low? Increase the fan speed.
Unit is noisy or vibrates.
Is the machine positioned unevenly on a
level surface?
Place the unit on a level surface.
Is the voltage from the power source correct? Use a proper power source.
The unit starts and
stops frequently.
Is the exhaust hose positioned incorrectly?
Position the exhaust hose correctly and keep the
exhaust hose straight as possible.
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 DIAGNOSIS ACTION
FAULT E2
Room temperature is outside the proper
working range of the unit.
Place unit in proper operating conditions.
FAULT E3 Faulty coils. Seek repair or service.
FAULT E4 Internal frost in the unit. Wait for unit to melt internal frost.
FAULT E5 Unit malfunctions. Seek repair or service.
FAULT E7 Water container is full. Empty water container.
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