Daikin VRV S RXQ4/5ARV1 - Page 312

Troubleshooting by Error Code SiAF332111E
306 Part 6 Service Diagnosis
Reference
CHECK 4 Refer to page 340.
Replace the inverter
PCB (A3P).
Replace the inverter
PCB (A3P).
YES
Replace the inverter
PCB (A3P).
(Noise filter error)
YES
Replace the inverter
PCB (A3P).
(Check the compressor
if the inverter PCB is
seriously damaged.)
NO
NO
NO
YES
Check all the wiring.
Keep operating.
(Possibly caused by
external factors such as
sudden power failure.)
A
Turn on the operating
switch after turning on the
power.
NO
YES
(If inverter PCB is
seriously damaged,
there may be fault with
the compressor and the
fan motor.)
Unplug the following connectors.
(1)X4A(A3P)↔X20A(A1P)
(2)X6A(A3P)↔X28A(A1P)
YES
NO
CHECK 4
Is the power transistor
normal?
Is inverter PCB
damaged?
Enter
standby mode
before the compressor
is completely
started.
Enter
standby mode
before the outdoor fan
begins spinning.
U2 error recurs?