Fujitsu AS*G09LTCB Service Instructions Manual page 63

SERVICE PARTS INFORMATION 8
Heater Unit
Check Point 1 : Check Connections
Check connection of connector
( Loose connector or open cable )
AO*G09/ 12LTCN
CN10
1 2 3 4 5
1 2 3 4 5
FUSE 250V5A
BLACK
WHITE
FUSE 250V5A
AO*G14LTCN
WHITE
FUSE 250V5A
1 2
1 2
CN112
Check Point 2 : Check electrical components
Check Check Fuses.
>> If Fuse is open, check connection, and replace Fuse.
Check Point 3 : Check Heater wire.
Remove connector, check resistance of Heater wire.
Read wire Resistance value
321 ~ 368
Black - White
If Resistance value is abnormal, replace Heater Unit.
BLACK BLACK
3 3
2 2
WHITE WHITE
1 1
WHITE 1 1 WHITE
2 2
BLACK BLACK
3 3
(at 25°C)
02-36
THERMOSTAT
(55°C)
BLACK
HEATER
HEATER
BLACK
THERMOSTAT
(55°C)