Specifications

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Troubleshooting 135
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(V2808)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
The
relationship
between the ∗1
VL and low pressure is
normal (see ∗2) when voltage
is measured between X45A pins
(2) and (3) of outdoor unit
PC board (A1P)
(see ∗1).
Replace the low pressure sensor.
Connect low pressure sensor
property and restart system.
NO
NO
Replace outdoor unit PC board
A1P.
YES
YES
The low
pressure sensor is
connected to X45A (blue)
of outdoor unit PC
board (A1P).