Fujitsu AS* A09LEC Service Instruction page 58

SERVICE PARTS INFORMATION 6
Heater Unit
Check Point 1 : Check Connections
Check connection of connector
( Loose connector or open cable )
CN10
1 2 3 4 5
1 2 3 4 5
FUSE 250V5A
BLACK
WHITE
FUSE 250V5A
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 ~ 366
If Resistance value is abnormal, replace Heater Unit.
THERMOSTAT
BLACK BLACK
3 3
2 2
WHITE WHITE
1 1
02-33
(55°C)
BLACK
HEATER