
7URXEOHVKRRWLQJ
Y
Y
Y
N
N
N
Y
N
Y
Y
N
N
Y
N
N
Y
Y
N
N
N
Y
Y
Y
(3) Temperature sensor malfunction
Main detection points:
Is outdoor ambient temperature within the normal range?
Is indoor and outdoor fan running normally?
Is the radiating environment inside and outside the unit good enough?
Malfunction diagnosis process:
Energize the
unit and start it
Voltage between
L and N of
indoor wiring
block
Voltage > 200V?
Check power
supply
Check the
connecting
state of the
connecting
terminal
Reliable
connection
Replace main
board of indoor
unit
Remove the
error?
Adjust
connecting
state
remove the
error?
Replace motor
Finish
Energize the
unit and start
it
Indoor unit
display F1/F2
Indoor unit
display F4/F5
Check connecting state of
outdoor temperature sensor
Reliable
connected?
Replace
Tesmepnesroar
ture Sensor
?
Remove error?
Replace parts
of outdoor
electric box
Check connecting
state of indoor
temperature
sensor
Adjust
connecting state
Remove error?
reliable
connected?
Replace
temperature
sensor
Remove error?
Replace main
boarudn iotf indoor
Adjust
connecting state
Remove error?
Finish
Summary of Contents for ACP-09CH25GECI
Page 1: ...ACP 09CH25GECI ACP 12CH35GECI Service manual ENG RoHS ...
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Page 5: ...ACP 09CH25GECI ACP 09CH25GECI I ACP 12CH35GECI ACP 12CH35GECI I ...
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