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20 | P a g e
TROUBLESHOOTING
Problem Possible Causes Solutions
The portable air
conditioner does not
turn on
Power failure / outage.
The automatic switch, line
fuse, or breaker has been
tripped
The power supply voltage is
too low
The power cord is damaged
The L.C.D.I. power plug for
the unit is tripped
The internal water reservoir is
full and ‘P1” appears on
display
Restore the power supply
Flip the switch / change the fuse / turn the
breaker back on. Also note that you may
have too many appliances drawing power on
one circuit, you may need to move the other
appliances to another circuit
Move the unit onto another circuit with the
correct voltage
Call for service. Only authorized personnel
should replace damaged power cord or
power plug
Press the Reset button on the L.C.D.I. power
plug
Drain water from the air conditioner
Possible loose internal connection. Please
contact Whynter for service
The unit turns on but
the compressor does
not turn on (the fan runs
but the unit is not
cooling)
The room temperature is
outside of the operational
tolerances of the unit
The Cooling mode is not on
The compressor has not
turned on yet because of its
time delay
The set temperature is too
high
The internal water reservoir is
full and ‘P1” appears on
display
This unit is designed to work in ambient
temperatures of 63°F to 90°F
Press the MODE button until the COOL light
is shown on the display
Give the compressor 3 minutes to turn on
after the Cooling mode has been selected
Set the air conditioner to a lower
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.
Then cooling will resume
Possible loose internal connection. Please
contact Whynter for service
The air coming out of
the unit is not very cold,
or the airflow volume is
weak
The filters are dirty or
obstructed
The air intake or exhaust is
obstructed
The unit is set in DRY or FAN
mode
The unit is set to low fan
speed
Clean the air filters
Make sure there is at least 20" of clearance
from the air intake. Make the length of the
exhaust hose is as short as possible
Set the unit to the cooling mode
Set the unit to a higher fan speed
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