Daikin VRV III-S RXYMQ36 48PVJU Service Manual page 197

Troubleshooting by Indication on the Remote Controller
Confirmation of
malfunction 3
of indoor units connected
to the same refrigerant circuit
system should not be more
Confirmation of
malfunction 3
outdoor unit corresponds to
188
Diagnosis Flow 1
Confirmation of
malfunction 4
The number
than 64 units.
NO
Diagnosis Flow 2
Confirmation of
malfunction 4
Check if the
refrigerant type of the
that of the indoor
unit.
NO
YES
YES
SiUS34-907
Replace the main PCB of the
outdoor unit.
The number of indoor units
exceeds the standard. Check
the connection to correct.
Replace the main PCB of the
outdoor unit.
Match the refrigerant types of
the outdoor unit and the indoor
unit.
Troubleshooting