Daikin VRV III REYQ8PY1 Service Manual page 338

Si37-701
Troubleshooting
Troubleshooting
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Diagnosis Flow 5
Check 3 Check 4
Is the model BSVQ-P
connected?
YES
Diagnosis Flow 6
Check 3 Check 4
Is the wiring
between the outdoor unit
and the BS unit
correct?
YES
Troubleshooting by Indication on the Remote Controller
NO
NO
Connect the model BSVQ-P.
Replace the outdoor unit PC board
as shown below.
• With single systems, replace the
control PC board 1 (A1P).
• With multi systems, replace the
main PC board (A1P).
Correct the wiring.
Replace the outdoor unit PC board
as shown below.
• With single systems, replace the
control PC board 1 (A1P).
• With multi systems, replace the
main PC board (A1P).
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