Diagnosis Servis
78
Penyelesaian Masalah Menggunakan Remote Kontrol
Si341213
Replace the inverter PCB
(A4P).
Is the stop valve
open?
NO
YES
Are the relay
wires to the compressor
correct?
NO
Is the
connection of UVW phase
order correct?
YES
NO
Is the wiring
the same as in the electric
wiring diagram?
YES
NO
Check if the wiring has
any error in mistake for
INV. compressor.
The insulation resistance of the
compressor is low (not more
than 100kW).
NO
The
compressor coil has
disconnection of wires.
YES
YES
NO
Restart and check
the
the
operation. Check if
NO
condition occurs
again.
YES
Is the start
mode in the high
differential pressure (not
less than 0.5
MPa)?
NO
YES
CHECK 4
Is the power transistor
normal?
NO
YES
Restart and
check if the error
occurs again.
NO
YES
Restart and
check if the error
occurs again.
NO
YES
Penyelesaian
Masalah
Perhatian
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Local factor
Open the stop valve.
Replace the relay wires and
ensure right connection of the
connector.
Ensure correct connection.
W
Power OFF
U
V
Ensure correct connection.
Replace the compressor.
Power ON
Power OFF
Power ON
Power OFF
Conclude the work
There is a possibility of defective
pressure equalizing.
Check the Sirkit Refrigeran.
Defective pressure equalizing
Check the Sirkit Refrigeran.
Replace the PCB Inverter (A4P).
Continue the operation.
(There is a possibility of
instantaneous power failure etc.)
Power ON
Continue the operation.
CHECK 4
Refer to P.136
Replace the INV. compressor.
The PCB Inverter is
not defective.
Return the PCB Inverter to
original position.