Daikin VRVII Manual page 174

Troubleshooting by Indication on the Remote Controller
Troubleshooting
Caution
Confirm which discharge
pipe thermistor is
abnormal using outdoor
unit "monitor mode".
Connector
is connected to
outdoor unit PCB.
YES
Resistance
is normal when
measured after
disconnecting the
thermistor from the
outdoor unit PCB.
CHECK 11
YES
The alarm indicator is displayed when the fan is being
used also.
CHECK 11
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
NO
NO
Refer to P.369.
Connect the
connector and
turn ON again.
Replace the
thermistor.
Replace the
outdoor unit
PCB.
169