19
TROUBLESHOOTING
Occurrence
Air conditioner will not operate
Possible cause
House fuse blown or circuit breaker
tripped
Remote control batteries are discharged
Control circuit malfunction
Solution
Reset circuit breaker
Replace batteries
Contact installer
Water dripping inside Improper installation or
clogged drain tube
Contact installer
Water draining outside Unit is removing moisture from
humid room
This is normal during humid days
Noise when unit is cooling Air movement sound The sound of rushing air is normal. If too
loud, use a lower fan setting.
Vibration — poor installation Contact installer
Not cooling efficiently Dirty air filters Clean filters
Air conditioner compressor does
not run for three minutes after
restart
Compressor protection circuit prevents
compressor from running for three
minutes after restart
This is normal. Wait three minutes before
restarting.
Fan speeds up in cooling mode
during cooling operation
Indoor coil defrosting This is normal during humid days
Outdoor unit stops functioning
for approximately 15 minutes
(heat pump models)
Unit is melting ice that has formed on
the outdoor coil
This is normal
Troubleshooting
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