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Service diagnosis
40 Domestic air conditioner
Led1 light
NO
YES
Remove fan motor after
switch off the power and
restart
the a/c ,the led 1 becomes light
or flash.
Fan motor is
damaged
,
replace it
with a new one.
YES
NO
YES
Test the fan motor terminal resistance
between pin 310V and 0V,or pin15V and 0V
of CN22 are close to 0m
Ω
with a multimeter
after switch off the power .
NO
Remove the connection cable
between CN23 of outdoor pcb and
CN10 of module pcb,The led1
becomes light or flash.
YES
YES
The module pcb is
damaged, replace it
with a new one.
The
outdoor pcb
is
damaged, replace it
with a new one.
NO
Measure the voltage
Between 3 and 4 of IC9 on the
Outdoor mainboard with a Multimete .
The voltage is a constant value of 0V
DC to 5V DC
The
outdoor pcb
is
damaged, replace
it with a new one.
YES
NO
The outdoor pcb is
well,and then check
the cable
If the voltage is a constant value
of 0V DC to 5V DC.Or the voltage
between Communication line(red ) and N(white
line) is not close to18V
DC when only indoor charged.
YES
The indoor mainboard is
damaged; replace it with a
new one.
NO
Test the outdoor power is
supply 230VAC with a
multimeter when indoor and
outdoor are charged.
LED2 light of the outdoor
NO
The module pcb
is damaged,
replace it with a
new one.
NO
YES
Check the cable
between outdoor
and power
(A)
Содержание GES-NX2G35IN
Страница 12: ...Piping diagrams Domestic air conditioner 5 Piping diagrams 10 ...
Страница 51: ...three 6 Removal Procedure 4 Domestic Air Conditioner Remove the casing 1 2 3 ...
Страница 55: ...Removal Procedure 8 Domestic Air Conditioner motor cover PRWRU FRYHU ...
Страница 56: ...Removal Procedure 9 Domestic Air Conditioner ...