WHISPER KOOL Platinum Split Bedienungsanleitung
Page 1 | 1-800-343-9463
WHISPERKOOL TROUBLESHOOTING GUIDE
Unit has ice forming on the evaporator unit
Possible cause Solution
If coil is very dirty, use a spray bottle with a small amount of liquid
There is something blocking the supply and/or return air Remove blockage
The evaporator fan is not turning on Call customer service for details on how to perform the bypass plug
test. If all components run correctly, and the system cools during the
bypass plug test, there is either an issue with the 24V
thermostat conversion kit or the thermostat. Contact customer
service for further action.
If evaporator unit continues to ice Observe ice formation pattern. If only part way up the coil face, the
system could be low on refrigerant. If all the way up, the coil may be
The set point is too low Raise set point to recommended temperature of 55°F
Unit does not run/power up
Possible cause Solution
Evaporator unit is not plugged in Make sure the unit is plugged into an outlet
Power switch not on Turn unit on by pressing the power button on the control
Line voltage rating is incorrect for the system Check line voltage to make sure there is 110V-120V
Thermostat not calling for cooling Adjust thermostat to a lower temperature
Faulty thermostat or wiring Call Customer Service at 1-800-343-9463
Cellar temperature is too warm
Possible cause Solution
The temperature of the room to which the condensing unit exhausts
exceeds 110°F Intake temperature needs to drop below 110°F
The system is undersized for the cellar Order correct size system
There is something blocking the supply and/or return air on the
evaporator unit or the condensing unit
Evaporator unit is mounted too low in the cellar Relocate unit so the distance from the ceiling and top of the unit is
no more than 18”
One or more of the fans is not turning on Please contact the installing technician to troubleshoot
Compressor is not turning on Please contact the installing technician to troubleshoot
Compressor keeps cycling on overload
Poor seal around door or other areas requiring a seal (around the
unit, wall joints, etc.)
Make sure there are no air gaps around the door. If door seal is
damaged, replace it.
Thermostat set too high Adjust thermostat to a lower temperature
Evaporator coil is frosted or iced up Observe ice formation pattern. If only part way up the coil face,
evaporator unit could be low on refrigerant. If so,
contact your installing technician to assist with troubleshooting.
System runs constantly
Possible cause Solution
Leaky door seal or poorly insulated cellar Fix leaky door seal and insulate cellar
www.whisperkool.com | Page 2
Platinum Split
Unit leaks water
Possible cause Solution
Evaporator unit is not level Evaporator unit should be level on the wall to prevent leaking
Drain line clogged or kinked
Drain is clogged, preventing water from escaping Disconnect drain and clear it out, open access door and check drain
for blockage
Drain line does not have a downward slope Fix drain line so there is a downward slope from the unit to the drain
Melt ice with blow drier. Soak up with a towel.
Unit runs but does not cool
Possible cause Solution
evaporator coil, and condenser coil are clean and free of debris
System undersized Contact Customer Service at 1-800-343-9463
Compressor is overheating
clean condenser coil as possible cause of compressor overheating.
If problem repeats, contact you installing technician to assist with
troubleshooting.
Evaporator fan runs but compressor does not
Possible cause Solution
Compressor and/or starting components faulty Please contact the installing technician to troubleshoot
Compressor may have overheated
clean condenser coil as possible cause of compressor overheating.
If problem repeats, contact your installing technician to assist with
troubleshooting.
Thermostat not sending power to Y terminal Call customer service for details on how to perform bypass plug test
24V thermostat conversion kit solenoid relay not working correctly Call customer service for details on how to perform bypass plug test
Compressor runs but evaporator fan does not
Possible cause Solution
Faulty fan motor Please contact the installing technician to troubleshoot
Faulty thermostat Please contact the installing technician to troubleshoot
Compressor short cycles
Possible cause Solution
Evaporator unit thermostat location
System low on refrigerant charge Please contact the installing technician to troubleshoot
Condensing fan motor/capacitor faulty Please contact the installing technician to troubleshoot
Compressor and /or starting components faulty Please contact the installing technician to troubleshoot
Humidity in cellar too low
Possible cause Solution
Not enough moisture
Page 3 | 1-800-343-9463
Unit does not power up/run
Possible cause Solution
Batteries on thermostat have lost their charge Change batteries
Thermostat wired incorrectly Check wiring on 24V thermostat and correct
Wiring issue at evaporator unit Contact Customer Service for troubleshooting
24V transformer in evaporator unit has failed Contact Customer Service for troubleshooting
Evaporator fan runs continuously
Possible cause Solution
Fan switch on thermostat set to "on" Set fan switch to the "auto" position
Fan relay in thermostat or 24V conversion kit stuck on Call Customer Service for details on how to perform the bypass plug
test
Units equipped with the 24V Thermostat Conversion Kit:
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