Daikin VRVII Manual page 98

Troubleshooting by Indication on the Remote Controller
Troubleshooting
Caution
Turn OFF the power once
and turn ON again.
Return to normal?
NO
Check if
inside / outside
relay wires of outdoor
unit main PCB is
disconnected.
NO
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
YES
YES
External factor
other than error
(for example,
noise etc.).
Connect the
inside/outside
relay wires
correctly.
Replace the
outdoor unit main
PCB.
93