Daikin VRV RXYQ72-384XAYCA Service Manual page 248

Troubleshooting by Error Code
Reference
CHECK 16 Refer to page 372.
Reference
CHECK 17 Refer to page 374.
241
A
The
resistance
among U, V, and W YES
are unbalanced or
short circuited.
NO
CHECK 17
Remove the signal
connector from the fan
motor and check the
resistance.
Between
Vcc and GND
terminals, and
YES
between GND and Hw,
Hv, or Hu terminals
are short-
circuited.
NO
Turn ON the power.
The
HAP lamp
of the indoor unit
control PCB (A1P)
YES
blinks and the HAP
lamp of the fan
PCB (A2P)
is OFF.
NO
SiUS342004EB
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