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Service Manual
The swing fan
does not run.
In cool, heat
mode, the
outdoor unit
and compres-
sor will not run.
Water leakage
Abnormal sound
and shake
Installation and Maintenance
The torque of the swing motor is not
enough
Wrong connection
The controller is damaged(IC2003 is
damaged, the swing relay can not
close, etc)
C o n t r o l l e r m a l f u n c t i o n ( I C 2 0 0 3
broken, creepage of parallel capaci-
tor of relay loop, relay is broken etc.)
Wire loose or wrong connection
Improper setting of temperature
Drainage pipe blocked or broken
Wrap of refrigerant pipe joint is not
close enough.
Fan of indoor unit contacts other parts
Foreign object in indoor unit
Compressor shakes too much
Touch of pipeline of outdoor unit
Touch of inner plates
Louver of outdoor unit touched outer
case.
Abnormal sound inside compressor
First, check whether the connection is
wrong. If no, replace the parts
Change controller
Correctly wire according to the drawing
Adjust setting temp.
Change drainage pipe
Re-wrap and make it tight.
Adjust fan location
Take out the foreign object
Adjust support washer of compressor, and
tighten loosen screws
Separate the touching pipeline.
1. Tighten connect screw.
2. Stick absorbing clay between plates.
Adjust location of louver.
Change compressor
33
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