Service Parts Information 3 : Outdoor Unit Electronic Expansion Valve (Eev, Eev (Inj)) - Fujitsu WATERSTAGE WOYG160LJL Maintenance Document

Check point 2 : check winding resistance
Check winding resistance on each terminal
If the resistance value is 0
Check point 3 : replace Main PCB
If check point 1 and 2 do not improve the symptom, replace Main PCB.

▼ Service parts information 3 : Outdoor unit electronic expansion valve (EEV, EEV (INJ))

Check point 1 : Check connection
Check connection of connector
(Loose connector or open cable)
Single phase :
3-phase :
Check point 2 : Check coil of EEV
Remove connector, check each winding resistance of
coil.
Read wire
White-Red
Yellow-Red
Orange-Red
Blue-Red
If resistance value is abnormal, replace EEV.
Waterstage / Maintenance Manual / 2105 - EN
or infinite, replace compressor.
EXPANSION VALVE
COIL
EXPANSION VALVE COIL
Resistance value
46 +/- 4
at 20°C
Resistance value :
- 0.24 (at 20°C) for single phase type
- 0.79 (at 20°C) for 3-phase type
Check point 3 : Check voltage from main PCB
Remove connector and check voltage (DC12V)
If it does not appear, replace Main PCB.
Check point 4 : Check noise at start up
Turn on power and check operation noise.
If an abnormal noise does not show, replace Main
PCB.
EXPANSION
VALVE COIL
(INJ)
EXPANSION VALVE
COIL (INJ)
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