Service manual

44
Model No: AC-S10CK_S10HK
Version 1.0
4. TROUBLE SUSPENSION TABLE
SYMPTON PROBABLE CAUSE CORRECTIVE ACTION
The power source voltage is
lower than 198V
Repair the power supply
No voltage Repair general wiring
Correct voltage
Replace control P.C.B or
display P.C.B
The RUN indicator
(green)does not light up
The remote controller
batteries are used up
Reload new batteries
No voltage between indoor
fan motor terminals
Replace the control P.C.B
The indoor fan does not
function correctly
Indoor fan motor is broken Replace indoor fan motor
No voltage between outdoor
fan motor terminals on the
indoor power P.C.B
Replace the control P.C.B
No voltage between outdoor
fan motor terminals on the
outdoor unit
Check and repair electrical
wiring between indoor and
outdoor units
Outdoor fan is blocked Remove obstructions
Outdoor fan motor is broken Replace outdoor fan motor
The outdoor fan does not
function correctly
Outdoor fan motor capacitor
is broken
Replace capacitor
No voltage between
compressor terminals on the
indoor unit
Repair control P.C.B
Low voltage between
compressor terminals on the
indoor unit
Repair control P.C.B
No voltage between
compressor terminals on the
outdoor unit
Repair electrical wiring
between indoor and outdoor
units
The running capacitor is
broken
Replace running capacitor
OLP of compressor trips Wait for one hour or so
The compressor does not
start up
Compressor winding shorted
or broken
Replace compressor
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