Fujitsu AB*18LBAJ Service Instruction

SERVICE PARTS INFORMATION 4
Check Point 2 : Check Coil of EEV
Yellow - Brown
Orange - Red
Blue - Brown
White - Red
Read wire
46 4
Resistance value
Check Point 1 : Check Connections
Check Point 3 : Check Voltage from Main PCB.
Check Point 4 : Check Noise at start up
DC
at 20°C
Outdoor unit Electronic Expansion Valve
( EEV )
Check connection of connector
( Loose connector or open cable )
Remove connector, check each winding
resistance of Coil.
If Resistance value is abnormal, replace EEV.
Remove Connector and check Voltage (DC12V)
If it does not appear, replace Main PCB.
Turn on Power and check operation noise.
If an abnormal noise does not show, replace Main PCB.
02-52
EXPANSION
VALVE COIL A
EXPANSION
VALVE COIL B
CN27
WHITE
YELLOW
ORANGE
BLUE
BROWN
RED
1
2
3
4
5
6
E V
CN27
WHITE
YELLOW
ORANGE
BLUE
BROWN
RED
1
2
3
4
5
6
E V
EXPANSION
VALVE COIL A
EXPANSION
VALVE COIL B
EXPANSION
VALVE COIL C
EXPANSION
VALVE COIL D
CN27
CN50
CN51
RED
WHITE
YELLOW
ORANGE
BLUE
BROWN
RED
BLACK
WHITE
WHITE
WHITE
WHITE
WHITE
BROWN
BLUE
ORANGE
YELLOW
WHITE
WHITE
GREEN
BLACK
GREEN
GREEN
GREEN
GREEN
RED
BROWN
BLUE
ORANGE
YELLOW
WHITE
GREEN
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
2
1
1
3
4
5
6
7
4
5
6
7
E V
E V
E V
CN52
GREEN
BLACK
GREEN
GREEN
GREEN
GREEN
RED
BROWN
BLUE
ORANGE
YELLOW
WHITE
GREEN
1
2
3
4
5
6
1
2
3
4
5
6
1
3
4
5
6
7
E V
For AO*18LMAK2 / AO*24LMAM2 For AO*30LMAW4

Fujitsu AB*18LBAJ Specifications

General

Brand	Fujitsu
Model	AB*18LBAJ
Category	Air Conditioner
Language	English