Daikin VRV-WIII RWEYQ72PTJU Service Manual page 239

SiUS30-1301
Troubleshooting
Service Diagnosis
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
Check the LED lamps for
"Confirmation of error 3"
corresponding to the error code "
and for Confirmation of error 4 in the
monitor mode.
Check of error 3 Check of error 4
Check of error 3 Check of error 4
Check of error 3 Check of error 4
Check of error 3 Check of error 4
Check of error 3 Check of error 4
Check of error 3 Check of error 4
Diagnosis Flow 1
Check of error 3 Check of error 4
The
number of
indoor units
connected to the same
refrigerant circuit system
should not more
than 64 units.
NO
Troubleshooting by Indication on the Remote Controller
UA
"
YES
To Diagnosis Flow 1
To Diagnosis Flow 2
To Diagnosis Flow 3
To Diagnosis Flow 4
To Diagnosis Flow 5
To Diagnosis Flow 6
Replace the condensing unit
main PCB.
The number of indoor units
exceeds the standard. Check the
connection to correct.
231