Whynter ARC-147WFH Instruction Manual page 17

Troubleshooting Tips
Many common portable air conditioner problems are easily resolved. Try the troubleshooting suggestions below to see if the
problems can be resolved before having to contact the service department.
Problem
The unit does not heat
The unit is very noisy
The unit leaks water
Fan speed cannot be changed
LED display "E1"
LED display "E2"
The design and specifications are subject to change without prior notice for product improvement. Any updates to the
manual will be uploaded to the service website, please check for the latest version.
Possible Causes
∧ The room temperature is too low
∧ The heating mode is not on
∧ The compressor has not turned on yet
because of its time delay
∧ The set temperature is too low
∧ The internal water reservoir is full
∧ The humidity in the area may be very
high
∧ There may be a loose connection
∧ The unit is not level
∧ The surface underneath the
unit is uneven
∧ Low power voltage
∧ The unit is tilted or not
leveled
∧ The water tank is full
∧ Fan speed differences are not
very noticeable
• Temperature sensor error
• Coil sensor error
Solutions
∧ The heat pump of the air conditioner does
not operate when temperature is below 45°F
∧ Press the MODE button until the HEAT light is
shown on the display
∧ Give the compressor 3 minutes to turn on
after the heating mode has been selected
∧ Set the air conditioner to a higher
temperature. It is recommended to set the
temperature to at least 5°F of the ambient
temperature.
∧ Either manually drain the water by removing
the drain plug or allow the unit to exhaust
the water itself by running the fan only
mode. The cooling will resume.
∧ Remove the intake hose if the outside
humidity is high or it is raining
∧ Contact Whynter Customer Support
∧ Make sure the unit is on hard, level and
stable surface
∧ Move the unit to a location with a level and
hard floor
∧ Make sure the wall outlet and support the
required power consumption of the air
conditioner and do not use an extension
cord
∧ Make use the unit is leveled
∧ Drain water from the drain plug at the back
of the air conditioner
∧ The fan speed difference is not very noticeable
when the compressor is on. Try setting the
unit to Fan only mode, you should be able to
hear the difference between high and low fan
speed settings.
• Please contact Whynter Customer
Support
• Please contact Whynter Customer
Support
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