Daikin VRV III REYQ8PY1 Service Manual page 339

Troubleshooting by Indication on the Remote Controller
Troubleshooting
328
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Diagnosis Flow 7
Check 3 Check 4
Is the wiring between
the BS units correct?
YES
Diagnosis Flow 8
Check 3 Check 4
Is the connection
wiring between the indoor
unit and the BS unit
correct?
YES
NO
NO
Si37-701
Correct the connection wiring.
Replace the BS unit PC board
concerned.
Correct the connection wiring.
Replace the indoor unit or BS unit
PC board.
Troubleshooting