Daikin LCBKQ3AV1, Руководство по обслуживанию

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SiBE811001EB Troubleshooting
CONVENI-PACK 258
Troubleshooting
Check if the stop
valve is open.
Check if the relay wires
to the compressor are
correct.
Check if the connection
of UVW phase order is
correct.
Check if the wiring
is the same as in
the wiring diagram.
The insulation
resistance of the
compressor is low
(not more than
100k
Ω
).
The compressor coil
has disconnection of
wires.
Restart and check
the operation. Check
if the condition
occurs again.
Check if the start
mode is in the high
differential pressure
(more than 0.5 MPa).
U
W
V
Power OFF
Power ON
Onsite causes.
Open the stop valve.
NO
Replace the relay wires and
ensure right connection of the
connector.
NO
Ensure correct connection.
NO
Conclude the work
There is a possibility of
defective pressure equalizing.
Check the refrigerant circuit.
Defective pressure equalizing
Check the refrigerant circuit.
NO
Ensure correct connection.
NO
Replace the compressor.
YES
YES
YES
Caution Be sure to turn off the power switch before connecting or disconnecting connectors, or parts may be damaged.
YES
YES
YES
YES
YES
NO
NO
Replace the inverter
compressor.
∗
The inverter PCB is not error.
Return the inverter PCB to
original position.
NO