Fujitsu AG G12LVCB Series Service Instruction page 62

SERVICE PARTS INFORMATION 8
Heater Unit
Check Point 1 : Check Connections
Check connection of connector
( Loose connector or open cable )
AO*G09/ 12LVCN
CN10
1 2 3 4 5
1 2 3 4 5
FUSE 250V5A
BLACK
WHITE
FUSE 250V5A
AO*G14LVCN
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
Black - White 321 ~ 368
If Resistance value is abnormal, replace Heater Unit.
3 3
BLACK BLACK
2 2
WHITE 1 1 WHITE
1 1
WHITE WHITE
2 2
3 3
BLACK BLACK
(at 25°C)
02-37
THERMOSTAT
(55°C)
BLACK
HEATER
HEATER
BLACK
THERMOSTAT
(55°C)