Manual
www.whisperkool.com | Page 19
Mini Split
Unit leaks water
Possible cause Solution
Evaporator unit (fan coil unit) is not level Evaporator unit (fan coil unit) should be level on the wall to prevent
leaking
Drain line clogged or kinked Check drain line to make sure water can ow freely
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
Coil is iced, causing drain pan to freeze and water to overow Melt ice with blow drier. Soak up with a towel.
Unit runs but does not cool
Possible cause Solution
Lack of air ow Make sure fan is unobstructed and that the evaporator lter, evapo-
rator coil, and condenser coil are clean and free of debris
System undersized Contact Customer Service at 1-800-343-9463
Compressor is overheating Shut system o for 1 hour to allow compressor to cool. Turn back on
and check for cooler airow out. If compressor runs, check for and
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
Running an Anti-Frost Cycle 1) If the system is maintaining the correct cellar temperature and
there is a dripping snowake symbol illuminated on the display, the
system is going through an Anti-Frost Cycle. No action is required.
2) If the system is not maintaining the correct cellar temperature,
this may be due to a dirty evaporator lter or coil.
3) Call the installing technician to troubleshoot, as the system may
be low on charge or require an adjustment to the TXV.
Compressor and/or starting components faulty Please contact the installing technician to troubleshoot
System may be performing the WHM function Allow cooling system to revert back to cooling mode
Compressor may have overheated Shut system o for 1 hour to allow compressor to cool. Turn back on
and check for cooler airow out. If compressor runs, check for and
clean condenser coil as possible cause of compressor overheating.
If problem repeats, contact your installing technician to assist with
troubleshooting.
Compressor runs but evaporator fan does not
Possible cause Solution
Faulty fan motor Please contact the installing technician to troubleshoot
Faulty controller Please contact the installing technician to troubleshoot
Compressor short cycles
Possible cause Solution
Evaporator unit (fan coil unit) blows on bottle probe Move bottle probe to a more central 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 Raise the “fan on” setting to increase the humidity level