Sharp SJ-RM320TB, Руководство по обслуживанию

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SJ-WS320T-S
28
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Disconnect connector CN2 of
the main PWB and measure
the resistance between pins
and on the wiring side.
Is it 0 Ω?
Replace the protector.
Disconnect connector CN04 of
the inverter PWB and measure
the resistances between pins
and , pins and and
pins and on the wiring
side. Are they about 14 Ω?
Is the wiring to the compressor
protector normal?
Improve the wiring.
Power OFF
( Inverter diagnosis)
Isn’t there any problem with the
heat radiation space of the
refrigerator installation location?
Improve the installation
condition (heat radiation
space).
Replace the inverter PWB.
NO
Is the wiring to the
compressor normal?
NO
Isn’t there any problem with the
heat radiation space of the
refrigerator installation location?
Improve the installation
condition (heat radiation
space).
Replace the compressor.
NO
NO
NO
Improve the wiring.
NO
YES
YES
YES
YES
YES
YES
Measure the voltage between
and of connector CN01
of the inverter PWB. Is it about
220 VAC?
Disconnect connector CN2 of
the main PWB and measure
the resistance between pins
and on the wiring side.
Is it 0 Ω?
Is connector CN02 of the inverter
PWB connected securely?
Improve the wiring.
Power OFF
( Inverter diagnosis)
Are connector CN2 of the main
PWB and connectors CN01 and
CN02 of the inverter PWB
connected securely?
Replace the inverter PWB
or main PWB.
NO
Is the wiring to the compressor
protector normal?
NO
NO
NO
Improve the wiring.
NO
YES
YES
YES
YES
YES
Replace the protector.
Replace the inverter PWB
or main PWB.
Improve the wiring.
[10] .38
SJ-WS320T/RP320T
SJ-WS320T/RP320T