Daikin FXHQ100MVE Service Manual Page 185

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Check the installation
conditions.
Is the stop valve open?
Is the UVWN
wiring normal?
Is high differential
pressure starting?
(0.5MPa or more)
Check and see whether
compressor is short-circuited
or ground.
Are inverter output
voltages the same for
3 phases?
Does low or high
pressure vary even
instantaneously when
restarting compressor?
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Caution
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
Open the stop valve.
Connect correctly.
Remedy the cause.
Replace the compressor.
Replace the inverter PC
board (A2P).
Replace the compressor.
(V2793)
NO
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