Daikin VRV - WII Service Manual page 205

Troubleshooting by Indication on the Remote Controller
Troubleshooting
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192
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
The high
pressure sensor is
connected to X46A of
outside unit PC
board (A1P).
YES
The
relationship
between the ∗1
VH and high pressure
is normal (see ∗2) when
voltage is measured between
X46A pins (1) and (3) of
outside unit PC
board (A1P)
(see ∗1).
NO
1: Voltage measurement point
2: Refer to pressure sensor, pressure / voltage characteristics table on P280.
NO
YES
SiUS30-604
Connect the high pressure sensor
and turn on again.
Replace outside unit PC board
A1P.
Replace the high pressure sensor.
Troubleshooting
(V2806)