Daikin VRV III-S RXYMQ36 48PVJU Service Manual page 198

SiUS34-907
Caution
Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be damaged.
Confirmation of Confirmation of
malfunction 3
Check
if the outdoor
unit PCB is replaced
with PCB for
spare parts.
YES
Is a correct spare
PCB procured?
YES
Check if
the spare PCB setting
is correct.
YES
Troubleshooting
Check
if the unit is not
NO
connected to outdoor units
of different models.
YES
NO
NO
Troubleshooting by Indication on the Remote Controller
NO
Replace the main PCB of the
outdoor unit.
Check the model of the outdoor
unit.
Replace it with the correct spare
PCB.
Correct the setting to reset the
power.
Replace the spare PCB.
189