Daikin VRVII - Page 336

Troubleshooting by Indication on the Remote Controller
331
Troubleshooting
Is the
wiring
between the
outdoor unit and the
BS unit correct?
YES
NO
Correct the
wiring.
Replace the
outdoor unit PCB
concerned.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
Check 3 Check 4
Diagnosis Flow 6
Is the
wiring between the
BS units correct?
NO
YES
Correct the
connection
wiring.
Replace the BS
unit PCB
concerned.
Is the
connection
wiring between
the indoor unit and the
BS unit correct?
YES
NO
Correct the
connection
wiring.
Replace the
indoor unit or BS
unit PCB.
Check 3 Check 4
Diagnosis Flow 7
Check 3 Check 4
Diagnosis Flow 8