Hisense RW46N1DSD, Service Manual, Page: 12 / 13

- 12 -
4-4 REFRIGERATING CYCLE
▼
Troubleshooting Chart
CAUSE
STATE OF
THE SET
STATE OF THE
EVAPORATOR
TEMPERATURE
OF THE
COMPRESSOR
REMARKS
L
EAKAG
E
PARTIAL
LEAKAGE Appliance
don't get cold
normally.
Low flowing sound of
Refrigerant is heard and
frost forms in inlet only A little high
more than
ambient
temperature.
• A little Refrigerant
discharges.
• Normal cooling is possible
when injecting Refrigerant
of regular amount.
WHOLE
LEAKAGE Appliance
don't get cold
at all.
Flowing sound of Refrigerant
is not heard and frost isn't
formed. Equal to ambient
temperature.
• No discharging of Refrigerant.
• Normal cooling is possible
when injecting Refrigerant
of regular amount.
CLOG
PARTIAL
CLOG
Appliance
don't get cold
normally.
Flowing sound of Refrigerant
is heard and frost forms
in inlet only. A little high
more than
ambient
temperature.
• No discharging of
refrigerant.
• The capillary tube is faulty.
WHOLE
CLOG Appliance
don't get cold.
Flowing sound of Refrigerant
is not heard and frost isn't
formed. Equal to ambient
temperature.
• No discharging of
Refrigerant.
▼
Leakage Detection
Observe discharging point of refrigerant which may be in oil discharging part in compressor and hole of evaporator.
Whether Compressor
runs or not.
YES
Whether frost
forms or not in
Evaporator.
No frost or forms
in inlet only
Whether oil leaks
or not.
Faulty
Normal amount
Inject Refrigerant to
Observe the discharging
amount of Refrigerant.
No or much amount
YES
Compressor.
Compressor and check
cooling operation.
Check Compressor
Clogged by dust. Gas leakage.
Normal formed
frost in Evaporator (Check the leakage point)