Daikin RQYQ140-180PY1, Service Manual, Page: 179 / 231

SiBE341001 Troubleshooting by Remote Controller
Troubleshooting 170
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Confirmation of malfunction 3 Confirmation of malfunction 4
Diagnosis Flow 6
Correct the manual address
settings.
(For detail, refer to information in
the "AIRNET Installation Manual".)
Are manual address settings (of the
slave units 1, 2 and 3) correct in order
to connect the AIRNET?
NO
Confirmation of malfunction 4
Diagnosis Flow 7
Correct the connecting wires of
the outdoor multi and then reset
the power supply.
In the connection status of
the outdoor multi, check if
more than 5 outdoor units
are connected.
NO
Confirmation of malfunction 3 Confirmation of malfunction 4
Diagnosis Flow 8
Correct the connecting wires of the
outdoor multi and then reset the
power supply.
Check the connection status of the
connecting wires of outdoor multi. to
SLAVE 3 Check if the wiring has any
connection error or broken, or is about
to be disconnected.
NO
YES
YES
YES
YES
NO
Check the connection status of one of
the connecting wires of outdoor multi.
Check if the wiring is broken or
disconnected.
Correct the connecting wires of the
outdoor multi and then reset the
power supply.
Replace the main PCB (A1P) of the
outdoor unit.
Confirmation of malfunction 3
Replace the main PCB (A1P) of
the outdoor unit.
Replace the outdoor unit main PCB
of the SLAVE 3.