AirStage AO54FJ, Service Manual

Page: 105 / 169

Trouble shooting 32
OUTDOOR UNIT OUTDOOR UNIT Error Method: Error Method:
NET WORK COOMUNICATION
ABNORMAL
Detective Actuators: Detective Actuators:
Outdoor unit Control PCB
Detective details: Detective details:
(A) When the signal from Indoor unit could not received for about 20
seconds after turning on the power, LED indicates error.
(B) During the normal operation, if the control information from Indoor
unit that is recognized by Outdoor unit could not received for more
than 20 seconds, LED indicates error.
Forecast of Cause Forecast of Cause:
Connection cable between Outdoor unit – Indoor unit Address setting operation does not complete
Blow up Fuse
Incorrect Connector of Unit
Check Point : Check the Connection between Outdoor unit Check Point : Check the Connection between Outdoor unit – – Indoor unit Indoor unit
Breaker
O
I
I I
Breaker
I I
Breaker
Te
rm
ina
lb
oa
rd
NG NG
NG NG
NG NG
Check the wiring of the connection cable. Following connection method is NOT allowed.
I
O I
O
I
I
I
I
I
I
Connected to Indoor unit by branch from Outdoor unit.
Indoor unit is connected between the commercial power
source and Outdoor unit
Indoor unit is connected by branching out the
terminal board
Check Point : Check Point :
Check incorrect wiring or connection of the connection cable bet Check incorrect wiring or connection of the connection cable bet ween Outdoor unit ween Outdoor unit – – Indoor unit Indoor unit
1
2
3 1
2
3 1
2
3 1
2
3 L
N
3
1
2
3 1
2
3 1
2
3 1
2
3 L
N
3
1
2
3 1
2
3 1
2
3 1
2
3 L
N
3
1
2
3 1
2
3 1
2
3 1
2
3 L
N
3
Outdoor unit Indoor unit Indoor unit
Outdoor unit Indoor unit Indoor unit Indoor unit
Indoor unit Indoor unit Outdoor unit
Outdoor unit Indoor unit Indoor unit Indoor unit
Fuse in Outdoor unit or Indoor unit will blow up
Incorrect Wiring 1
Incorrect Wiring 2
Incorrect Wiring 3 Incorrect Wiring 4
Indicate or Display: Indicate or Display:
Indoor Unit : Operation LED Flash Flash , , Timer LED 3 Times Blink 3 Times Blink
Swing LED 3 Times Blink 3 Times Blink
Outdoor Unit : LED1 Flash Flash , , LED5 8 8 Time Blink Time Blink
ERROR CODE: E:32
Fuse in Outdoor unit or Indoor unit will blow up
Fuse in Outdoor unit or Indoor unit will blow up
06-35
Fuse in Outdoor unit or Indoor unit will blow up