6-6 REFRIGERATING CYCLE
• Troubleshooting Chart
STATE OF STATE OF THE TEMPERATURE
CAUSE OF THE REMARKS
THE SET EVAPORATOR
COMPRESSOR
PARTIAL Freezer and Low flowing sound of A little high • A little Refrigerant
LEAKAGE Refrigerator Refrigerant is heard and more than discharges.
don't get cold frost forms in inlet only ambient * Normal cooling is possible
r- normally, temperature, when injecting Refrigerant
m
> of regular amount.
WHOLE Freezer and Flowing sound of Refrigerant Equal to ambient * No discharging of Refrigerant.
m
LEAKAGE Refrigerator is not heard and frost isn't temperature. * Normal cooling is possible
don't get cold formed, when injecting Refrigerant
at all. of regular amount.
o PARTIAL Freeze room and Flowing sound of Refrigerant A little high ° Normal discharging of
CLOG Refrigerator is heard and frost forms more than refrigerant.
© don't get cold in inlet only. ambient * The capillary tube is faulty.
©
m normally, temperature.
-_ WHOLE Freezer and Flowing sound of Refrigerant Equal to ambient * Normal discharging of
CLOG Refrigerator is not heard and frost isn't temperature. Refrigerant.
-_°3 don't get cold. formed.
MOISTURE Cooling operation Flowing sound of Refrigerant Low than • Cooling operation restarts
CLOG stops periodically, is not heard and frost melts, ambient when heating the inlet of
temperature capillary tube.
O COMP- Freezer and Low flowing sound of A little high • The pressure of high
O mORESSION Refrigerator Refrigerant is heard and than ambient pressure part in
-0-n
;om don't get cold. frost forms in inlet only. temperature, compressor is low.
mo
c0-4
__._ NO COMP- No compressing Flowing sound of Refrigerant Equal to ambient ° No pressure of high pressure
O m RESSION operation, is not heard and no frost, temperature, part in compressor.
Z
• 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.
Whether frost [ Whether oil leaks i
forms or not in No frost or form's [ or not.
YES Evaporator. n net on y
YES
_T
J 4,
i Normal formed frost Observe the discharging I
Normal amount amount of Refrigerant.
_tNo or much amount
i Faulty I 'n'ectRefrigerantt°i
Moisture Clog. Compressor. Compressor and check
cooling operation.
Check Comprossor Clogged by dust. i
I
Normal formed
}1_ Gas leakage, i
frost in Evaporator (Check the leakage point)
-16-
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