Daikin VRVII Manual page 191

Troubleshooting
Caution
The
high pressure
sensor is connected
to outdoor (outside)
unit PCB.
YES
The
relationship
between the ∗1
VH and high
pressure is normal
(∗2) when voltage is
measured between
connector pins (1)
and (3) of outdoor
(outside) unit
PCB
(∗1).
NO
186
Troubleshooting by Indication on the Remote Controller
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
NO
YES
Connect the high
pressure sensor
and turn ON
again.
Replace the
outdoor (outside)
unit PCB.
Replace the high
pressure sensor.