Service Manual

PAGE 24 TROUBLESHOOTING
ENGLISH
Normal
Performance
Inspection
Problem
The system
does not restart
immediately
Noise is heard
Mist or steam
fan speed can’t
be changed.
Poor cooling
indoor air.
run intermittently at LOW speed regardless of FAN setting.
Cause and Solutions
The unit will wait for 3 minutes before starting if it is powered off or the electricity has been
disconnected.
Under some circumstances small sounds may be heard. A swishing or gurgling sound may be caused
by refrigerant flowing through the piping. A small crackling sound indicates the casing is expanding or
shrinking from temperature changes, such as during the defrost mode.
Odors
Odors present in the indoor air, such as smoke, varnish, or paint can be circulated by thefan in the unit.
Eliminate these sources prior to calling for service.
DRY
Poor
Performance
Conditions
Filter condition should be checked monthly.