Troubleshooting – Whynter SNO ARC-13W/S User Manual
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TROUBLESHOOTING
 
 
Problem Possible
Causes
Solutions
The portable air conditioner does 
not turn on 
There was a power failure 
 
The automatic switch, line fuse, or 
breaker has been tripped 
 
 
 
 
 
The power supply voltage is too low 
 
The power cord is damaged 
 
 
The LCDI plug for the unit is tripped 
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, so 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 LCDI plug 
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 
This unit is designed to work in ambient temperatures of 64°F to 
100°F 
 
Press the Function Mode (T4) button until the Cooling icon (D3) 
is shown on the remote control. Make sure that the reception of 
the signal is confirmed by a beep. 
 
Give the compressor 3 minutes to turn on after the Cooling 
mode has been selected 
 
Set the air conditioner to a lower temperature 
 
Either manually drain the water or allow the unit to exhaust the 
water itself. Then cooling will resume 
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 is obstructed 
 
Clean the 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 
