Specifications

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134 Troubleshooting
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(V2806)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
The
relationship
between the ∗1
VH and high pressure
is normal (see ∗2) when
voltage is measured between
X46A pins (1) and (3) of
outdoor unit PC
board (A1P)
(see ∗1).
Replace the high pressure sensor.
Connect the high pressure sensor
and turn on again.
NO
NO
Replace outdoor unit PC board
A1P.
YES
YES
The high
pressure sensor is
connected to X46A of
outdoor unit PC
board (A1P).