Daikin VRV RXYMQ-A Series Service Manual page 210

Troubleshooting by Error Code
RXYMQ4AVMK
RXYMQ4-6AYFK
Note(s)
1. RXYMQ4AVMK: F6U
2. RXYMQ4AVMK: outdoor unit main PCB (A1P)
Reference
CHECK 16 Refer to page 285.
204
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 HAP lamp on
the outdoor main PCB (A1P)
The HAP
lamp on A1P blinks.
YES
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) LED lamp on the inverter PCB (A3P)
(2) LED lamp on the fan PCB (A4P)
The LED lamp
on A3P blinks, but that
on A4P does not blink.
NO
RXYMQ4-6AYFK: F101U
RXYMQ4-6AYFK: fan PCB (A4P)
YES
NO
YES
YES
SiME332106E
Replace the fan motor (M1F).
Replace the outdoor main PCB
(A1P).
Replace the fan motor (M1F).
Replace the fan motor (M1F).
Replace the fan PCB (A4P).
Replace the fan motor (M1F).
Part 6 Service Diagnosis