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  9. WHISPER KOOL Self-Contained Extreme Ti User manual

WHISPER KOOL Self-Contained Extreme Ti User manual

Page 1 | 1-800-343-9463
TROUBLESHOOTING GUIDE
Unit has ice forming on the evaporator
Possible cause Solution
Evaporator coil is dirty Clean the coil with a vacuum. If coil is very dirty, use a spray bottle
with a small amount of liquid dish detergent or coil cleaner. Spray coil,
There is something blocking the supply and/or return air Remove blockage
The evaporator fan is not turning on Call a service tech to troubleshoot
The unit has not gone through an Anti-Frost Cycle yet Check the coil for surface ice. Melt with blow drier until coil is warm to
the touch. Soak up water with a towel.
The unit continues to ice Observe ice formation pattern. If only part way up the coil face, unit
could be low on refrigerant. If all the way up, the coil may be dirty or
Unit does not run/power up
Possible cause Solution
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 is incorrect rating for unit Check line voltage to make sure there is 110V-120V
Bottle at setpoint Lower setpoint
Thermostat not calling for cooling Lower setpoint
Power select switch in wrong position See page 11 for correct switch position
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 unit
exhausts exceeds 110°F
Intake temperature needs to drop below 110°F
The unit is undersized for the cellar Order correct size unit
There is something blocking the supply and/or return air on
evaporator or condenser side of the unit
Unit is mounted too low in the cellarRelocate unit so the distance from the ceiling and top of the unit or
cold air supply duct is no more than 18”
One or more of the fans is not turning on Call Customer Service at 1-800-343-9463
Compressor is not turning on Call Customer Service at 1-800-343-9463
Compressor keeps cycling on overload
Poor seal around door Make sure there are no air gaps around the door. If door seal is
damaged, replace it.
Setpoint too high Lower the setpoint
Evaporator coil is frosted or iced up Observe ice formation pattern. If only part way up the coil face, unit could
be low on refrigerant. If so, call Customer Service at 1-800-343-9463.
System runs constantly
Possible cause Solution
Leaky door seal or poorly insulated cellar Fix leaky door seal and insulate cellar in accordance with this manual
(page 9)
www.whisperkool.com | Page 2
Extreme Series
Unit leaks water
Possible cause Solution
Unit is level System should have a two-degree (2°) pitch towards the exhaust side
Drain line clogged or kinked
Drain is clogged, preventing water from escaping 1. Disconnect exterior drain line and clear it out; run provided drain
line brush through the drain port and into the interior drain line.
blockage; drop a pan tab into the drip tray to prevent further
blockages.
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
Make sure fan is unobstructed and coil is clean
Compressor not running Call Customer Service at 1-800-343-9463
Unit undersized Call Customer Service at 1-800-343-9463
Compressor is overheating
clean condenser coil as a possible cause of compressor overheating.
If problem repeats, call Customer Service at 1-800-343-9463.
Evaporator fan runs but compressor does not
Possible cause Solution
Running an Anti-Frost cycle Check evaporator coil temperature
Compressor and/or starting components faulty Call Customer Service at 1-800-343-9463
"Fan on" (FOn) setting has been increased, allowing fans to run after Lower the "fan on" (FOn) time
Compressor may have overheated
clean condenser coil as a possible cause of compressor overheating.
If problem repeats, call Customer Service at 1-800-343-9463.
Compressor runs but evaporator fan does not
Possible cause Solution
Faulty fan motor Call Customer Service at 1-800-343-9463
Faulty controller Call Customer Service at 1-800-343-9463
Compressor short cycles
Possible cause Solution
Evaporator blows on bottle probe Move bottle probe to a more central location
Unit low on refrigerant charge Call Customer Service at 1-800-343-9463
Condensing fan motor/capacitor faulty Call Customer Service at 1-800-343-9463
Compressor and/or starting components faulty Call Customer Service at 1-800-343-9463
Humidity in cellar too low
Possible cause Solution
Not enough moisture

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