Daikin VRV-WIII RWEYQ72PTJU Service Manual page 231

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
"Check 3" corresponding
U7
to the error code " " and
for Check 4 in the monitor
mode.
Check 3 Check 4
Check 3 Check 4
Check 3
Check 4
Check 3
Check 4
Check 3
Check 4
Check 3
Check 4
Check 3 Check 4
Troubleshooting by Indication on the Remote Controller
Go on to the Diagnosis Flow 1
(Defective transmission caused
when the external control adaptor
for condensing unit is mounted)
Go on to the Diagnosis Flow 2
(Transmission alarm given when
the external control adaptor for
condensing unit is mounted)
Go on to the Diagnosis Flow 3
(Abnormal transmission between
the master unit and the slave unit 1)
Go on to the Diagnosis Flow 4
(Abnormal transmission between
the master unit and the slave unit 2)
Go on to the Diagnosis Flow 5
(Defective auto address of the
slave units 1 and 2)
Go on to the Diagnosis Flow 6
(Erroneous manual address
settings of the slave units 1 and 2)
Go on to the Diagnosis Flow 7
(Connection of 4 or more
condensing units to the same
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