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Fujitsu AOYG09KHCAN User Manual

Fujitsu AOYG09KHCAN
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4-7. 4-way valve coil (solenoid coil)/4-way valve
¢ Models: AOYG09KHCAN, AOYG12KHCAN, and AOYG14KHCAN
Check point 1. Check connection
Check the connection of connector P60.
P60
BLUE
SOLENOID COIL
4WV
1 1
3 3
RED
Check Point 2 : Check Solenoid Coil
Remove P60 from PCB and check the resistance value of coil.
Resistance Value ≈ 2.78 kΩ
→ If it is Open or abnormal resistance value, replace Solenoid Coil.
Check Point 3: Check Operation of 4 Way Valve
Check each piping temperature, and confirm the location of the valve by the temperature difference
Heating OperationHeating Operation
DC
SOLENOID COIL
4WAY VALVE
HOT GAS
HOT GAS
ON
Cooling OperationCooling Operation
DC
SOLENOID COIL
4WAY VALVE
HOT GAS
HOT GAS
OFF
→ If the valve location is not proper, replace 4 way valve.
Check Point 4: Replace Main PCB
If none of Checks 1 to 3 apply, replace the Main PCB.
4-7. 4-way valve coil (solenoid coil)/4-way valve - (03-42) - 4. Service parts information
TROUBLESHOOTING
TROUBLESHOOTING

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Fujitsu AOYG09KHCAN Specifications

General IconGeneral
BrandFujitsu
ModelAOYG09KHCAN
CategoryAir Conditioner
LanguageEnglish

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