Daikin RXQ12AHR Service Manual page 233

SiAF341904E
Reference
CHECK 16 Refer to page 301.
Part 6 Service Diagnosis
A
CHECK 16
Check for the connector
(power supply cable) of the
fan motor.
Resistance
between U, V, W
phases of the fan motor
power supply cable has lost
balance or short circuit is
caused between U, V,
W phases.
NO
Turn ON the power supply to check for the following LED lamps.
(1) HAP lamp on the inverter PCB (#3)
(2) HAP lamp on the fan PCB (#1)
The HAP
lamp on A3P, A6P
blinks, but that on A4P, A7P
does not blink.
NO
YES
YES
Troubleshooting by Error Code
Replace the relevant fan motor.
(#2)
#3
RXQ6-14A: A3P
RXQ16-20A: A3P, A6P
Replace the fan PCB. (#1)
Replace the fan motor. (#2)
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