T roubles hooting G uide
F requently, a problem is minor and a service call may not be necessary, use this troubleshooting guide for a
possible solution.
When outdoor temperature is approximately
65 F or below, frost may form when unit is in
cooling mode. S witch unit to F AN (only)
operation until frost melts.
R emove and clean filter.
NOT E :
If circuit breaker is tripped repeatedly, or fuse is blown more than once, contact a licensed technician.
P R OB L E M
P OS S IB L E C A US E
S UG G E S T E D S OL UT ION
Air conditioner will
not operate
Inefficient or no cooling
Noisy unit
Odors
Water dripping outside
Water dripping inside
Ice or frost build-up
Low outside temperature.
Unit air filter is dirty.
Unit is not properly angled to
allow water to drain outside.
Unit must be installed on an angle for proper
condensation run-off. C heck the unit and
make adjustments.
.
F ormation of mold, mildew, or
algae on wet surfaces.
C ondensation run-off is normal
during hot and humid weather
Add flexible tubing to redirect water flow.
drain plug and drain base pan.
R eplace drain plug.
C lean unit thoroughly.
R emove
Loose parts.
Inadequate support.
T ighten loose parts.
P rovide additional support to unit.
No power to the unit.
Dirty air filter.
Inappropriate capacity
for application.
B locked air flow.
P ower interruption, settings
change too quickly, or
compressor overload tripped.
C lean or replace air filter.
C heck with dealer to determine proper unit
capacity for application.
R emove obstruction from grill or
outdoor louvers.
Let fan run to restart compressor
(in approximately 10 minutes).
C heck connection of power cord to
power source.
C heck fuse or circuit breaker.
S et MODE knob to position other
than "OF F ".
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