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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 E1 Faulty room temperature sensor Contact customer service for repair or service.
FAULT E2 Faulty inside sensor. Contact customer service for repair or service.
FAULT E3 Internal frost in the unit. Wait for unit to defrost
FAULT E4 Unit malfunctions. Contact customer service for repair or service.
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