Daikin RQYQ16PY1 [114/194] Refer to p 73

Daikin RQYQ48PY1 [114/194] Refer to p 73
Troubleshooting by Remote Controller Si341009
105 Troubleshooting
Troubleshooting
Refer to P.173
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Is the stop valve
open?
Are the relay wires
to the compressor
correct?
Is the connection
of UVW phase order
correct?
Is the wiring the
same as in the electric
wiring diagram?
The insulation resistance of
the compressor is low (not
more than 100kW).
The compressor coil
has disconnection of
wires.
Restart and check the
operation. Check if the
condition occurs again.
Restart
and check if the error
occurs again.
Restart
and check if the error
occurs again.
Is the start
mode in the high
differential pressure
(not less than 0.5
MPa)?
Check 4
Is the power transistor
normal?
NO
YES
NO
YES
NO
YES
NO
YES
YES
NO
YES
YES
NO
NO
NO
YES
YES
YES
NO
NO
YES
NO
Local factor
Open the stop valve.
Replace the relay wires and
ensure right connection of the
connector.
Ensure correct connection.
Ensure correct connection.
Replace the compressor.
Conclude the work
There is a possibility of defect of
pressure equalizing.
Check the refrigerant circuit.
Defective of pressure equalizing
Check the refrigerant circuit.
Replace the inverter PCB (A4P).
Continue the operation.
(There is a possibility of
instantaneous power failure etc.)
Replace the inverter compressor.
+ The inverter PCB is not
defective.
Return the inverter PCB to
original position.
Continue the operation.
U
W
V
Check if the wiring has
any error in mistake for
inverter compressor.
Replace the inverter PCB
(A4P).
Power OFF
Power ON
Power OFF
Power ON
Power OFF
CHECK 4

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Ответы 0

Hi, good afternoon.
1 год назад