Daikin REMQ14PY1 Сервис мануал онлайн [328/491] 549043

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(V2808)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Replace the main PC board.
Replace the low pressure sensor.
YES
NO
Replace the main PC board.
NO
Replace the low pressure sensor.
YES
NO
Are the
characteristics
of the low pressure
sensor normal? (Make a
comparison between the voltage
characteristics (1) and
the gauge
pressure.)
YES
If
the PC
board pressure
detection normal?
(Make a comparison between
the checker pressure data and
the voltage
characteristics
(1).
1.Set the low pressure gauge
upright.
2.Connect the checker for VRV
to the gauge.
Confirm which low pressure
sensor is abnormal using
outdoor unit "monitor mode".
(Refer to Page 226~227)
Reset the operation, and then
restart the outdoor unit.
Are the
characteristics of the low
pressure sensor
normal?

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