Daikin REYQ-TA Series Service Manual page 230

Troubleshooting by Error Code
CHECK 16
CHECK 17
217
A
There
is no continuity
across the fuse
(F101U) on the fan
PCB.
NO
The
fan cannot be
rotated by hand
when disconnecting the
connector from the
fan motor.
NO
Resistance
between the fan
motor power supply cable
terminal and the motor
frame (metallic part)
is not more than
1 MΩ.
NO
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
CHECK 17
Check for the connector
(signal cable) of the fan motor.
Signal
cable has
caused short circuit
between Vcc and Gnd,
and between UVW
and Gnd.
NO
Turn ON the power supply to check for the following LED lamps.
(1) HAP lamp on the inverter PCB ( 2)
(2) HAP lamp on the fan PCB ( 1)
The HAP
lamp on the inverter
PCB blinks, but does not
blink on the fan
PCB.
NO
Refer to page 287.
Refer to page 287.
YES
YES
YES
U V W
(Red) (White) (Black)
YES
Gnd Vcc W V
(Gray) (Pink) (Orange) (Blue) (Yellow)
YES
YES
Replace the fan PCB. ( 1)
1
REYQ72TA: A4P
REYQ96-168TA: A4P, A7P
Replace the relevant fan motor.
Replace the relevant fan motor.
Replace the relevant fan motor.
U
Replace the relevant fan motor.
2
REYQ72TA: A3P
REYQ96-168TA: A3P, A6P
Replace the fan PCB. ( 1)
Replace the fan motor.
SiUS371614E
Service Diagnosis