11
VIII. Troubleshooting
Do not repair or disassemble the air conditioner on your own. Unqualified repairs will lead to
voided warranty and may cause damage to people or property.
Issue Likely Cause Solution
Air Conditioner does
not work
There is no electricity
.
Turn it on after connecting it to a socket
with electricity
The overflow indicator displays "FULL".
Discharge the water inside.
The ambient temperature is too
low or too high.
Use the air conditioner in recommended
temperatures of 44-95
℉.
In Air Conditioner mode, the room
temperature is lower than the set
temperature.
Change the set temperature.
In Dehumidifier mode, the ambient
temperature is low.
Use in a room with ambient
temperatures greater than 62
℉.
Air Conditioner
mode is not cold
There is direct sunlight.
Move unit to a room with curtains or
shade.
Doors or windows are open, there
are a lot of people, or there are
other sources of heat.
Close doors and windows or add more
air conditioners.
The filter screen is dirty. Clean or replace the filter screen.
The air inlet or outlet is blocked. Clear obstructions.
Noisy
The air conditioning unit is not
placed on a flat surface.
Put the air conditioner on a flat, hard
surface to reduce noise.
Compressor does
not work
Overheat protection has started.
Wait 3 minutes until the temperature is
lowered, then restart the machine.
The remote control
does not work
Too much distance between the
air conditioner and remote control.
Position the remote control closer to
the air conditioner and make sure
the remote control directly faces the
remote control receiver.
The remote control is not aligned
with the direction of the remote
control receiver.
Need new batteries. Replace batteries.
Displays 'E1'
The pipe temperature sensor is
abnormal.
Check the pipe temperature sensor
and related circuitry.
Displays 'E2'
The room temperature sensor is
abnormal.
Check the room temperature sensor
and related circuitry.
Note:
If problems not listed in the table occur or recommended solutions do not work, please
contact Rosewill Tech Support.