Outdoor Fan Pcb Abnormality - Daikin VRV S RXQ4/5ARV1 Service Manual

Troubleshooting by Error Code

5.37 Outdoor Fan PCB Abnormality

Applicable RXMQ8AR
Models
H7-21
Error Code
Method of Error Detect according to values detected with current sensor.
Detection
Error Decision
When the current sensor is abnormal.
Conditions
Supposed
 Disconnection/Short circuit in fan motor leads or disconnection of connector
Causes  Defective fan PCB
Troubleshooting
260
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
Turn OFF the power supply
and wait for 10 minutes.
Is
resistance
between Vcc-UVW
and between GND-UVW
of the fan motor lead in
balance?
YES
NO
Replace the fan motor (M1F).
Replace the fan PCB (A4P).
SiAF332111E
Part 6 Service Diagnosis