Daikin VRV S RXQ4/5ARV1 - Page 317

SiAF332111E Troubleshooting by Error Code
Part 6 Service Diagnosis 311
Reference
CHECK 17 Refer to page 357.
YES
NO
Is indoor-outdoor unit
transmission wiring
normal?
Fix the indoor-outdoor
unit transmission wiring.
Press and hold the RESET
(BS5) button on the outdoor
unit main PCB (A1P) for 5
seconds.
Replace the broken wires
and then restart operation.
Provide power voltage of
220 V.
Replace fuse and the PCB.
Replace the fan motor
(M1F).
Replace the PCB.
Replace the fuse.
Replace the outdoor unit
main PCB (A1P).
YES
NO
NO
Replace the outdoor unit main
PCB (A1P).
YES
Operation ready
lamp (H2P) is
blinking.
Lamp does not go off
for 12 minutes or
more.
ONON
Is the
connector wiring between
the outdoor unit main PCB (A1P) and
the inverter PCB (A2P)
damaged?
Is the voltage
between outdoor unit main
PCB terminal L and
N 220 V?
YES
YES
NO
Replace the fuse.
YES
NO
NO
Is the outdoor unit
main PCB fuse
blown?
YES
YES
YES
NO
Is fuse F6U blown ?
Is pin-to-pin
resistance greater than the
decision standard?
CHECK 17
Check the fan motor connector.
A
Outdoor unit
main PCB microcomputer
monitor (HAP)
blinks.