Daikin VRV X RXQ6-48ANR Series Service Manual page 174

Troubleshooting by Error Code
Reference
CHECK 16 Refer to page 275.
Reference
CHECK 17 Refer to page 277.
168
A
The resistance
among U, V, and W are unbalanced or
short circuited.
NO
CHECK 17
Remove the signal connector
from the fan motor and check
the resistance.
Between V and GND
CC
terminals, and between GND
and H , H , or H terminals are
W V U
short-circuited.
NO
Turn on the power.
The HAP
lamp of the indoor
unit PCB (A1P) blinks and the
HAP lamp of the fan PCB
(A2P) is off.
NO
YES
YES
YES
SiME341909EA
Replace the indoor fan
motor (M1F).
Replace the indoor fan
motor (M1F).
Replace the fan PCB (A2P).
Replace the indoor fan
motor (M1F).
Part 6 Service Diagnosis