Daikin CTXU25G2V1B Service Manual page 189

SiBE12-908
<For hygroscopic fan motor>
Check that the connectors HK1, HK2, HK3 for proper connection.
1. Check that the power supply voltage is applied between HK1 and HK3.
2. If NG in step 1 → Defective PCB → Replace the PCB.
When the FU2 is melted, check the rotor motor for proper function.
Service Diagnosis
If NG in step 2 → Defective PCB
If NG in step 4 → Defective Hall IC → Replace the outdoor fan motor.
If OK in both steps 2 and 4 → Replace the PCB.
SW power supply
FU1
Hygroscopic fan motor
Outdoor fan motor
FU2 Humidifying fan motor
Four way valve
→
Replace the PCB.
Check
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