Fujitsu Inverter Halcyon ASU12RMLQ, Service Instruction

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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 68°F(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.
02-48
CN27
CN50
EXPANSION
VALVE COIL EXPANSION
VALVE COIL
YELLOW
ORANGE
BLUE
BROWN
RED
WHITE
1
2
3
4
5
6
E V
ORANGE
YELLOW
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
BLACK
BLUE
BROWN
RED
1
2
3
4
5
6 1
2
3
4
5
6 1
2
4
5
6
7
E V
WHITE
CN27
CN50
CN51
CN52
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
RED
BROWN
BLUE
ORANGE
YELLOW
WHITE
GREEN
BLUE
BLACK
BLUE
BLUE
BLUE
BLUE
BLUE
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
1
2
3
4
5
6
1
2
3
4
5
6
2
1
1
3
4
5
6
7
4
5
6
7
1
2
5
6
7
8
E V
E V
E V
E V
AOU24RML AOU36RML