SERVICE MANUAL
R
−
410A Ductless Split System: DLF4(A/H), DLC4(A/H)
58
421 08 9204 00
Adjust fan location
Fan of indoor unit contacts other parts
Foreign object in indoor unit
Take out the foreign object
Adjust support washer of compressor,
and tighten loosen screws
Refrigerant pipes are touching
Abnormal sound
and shake
Inner mounting plates are touching
1. Tighten screws.
2. Stick absorbing clay between plates.
Louver of outdoor unit touches
outer case.
Adjust location of louver.
Abnormal sound inside compressor
Change compressor
Drainage pipe blocked or broken
Change drainage pipe
Re
−
wrap and make it tight.
Air gap in refrigerant pipe insulation
Water leakage
Change controller
Wire loose or wrong connection
In cool, heat
mode, the
outdoor unit
and compres
−
sor will not run.
Correctly wire according to the drawing
Improper setting of temperature
Adjust setting temp.
Controller malfunction (IC2003
broken, creepage of parallel capaci
−
tor of relay loop, relay is broken etc.)
First, check whether the connection is
wrong. If no, replace the parts
The swing fan
does not run.
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)
Compressor shakes too much
Separate the touching pipeline.
