TM 5-3610-258-14
Table 5-4. DIRECT/GENERAL SUPPORT TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
COMPRESSOR RUNS BUT DOES NOT COOL CABINET AND WATER.
Check for insufficient refrigerant charge.
Recharge system with freon R-12 refrigerant.
2.
COMPRESSOR COOLS EITHER CABINET OR WATER, BUT NOT BOTH.
Step 1.
Check for inoperable solenoid valve.
(a)
Remove retaining screws and front cover.
(b)
Rotate applicable thermostat adjustment knob back and forth while listening for solenoid valve to
click while activating and deactivating. This indicates proper operation of solenoid valve.
(c)
If no click is heard, replace defective solenoid valve and recharge refrigerant.
Step 2
Check for defective thermostatic expansion valve.
Replace thermostatic expansion valve (paragraph 5-20.2).
3.
COMPRESSOR DOES NOT OPERATE OR RUNS NOISILY.
Check for defective compressor.
Replace compressor assembly (paragraph 5-20.1).
4.
TEMPERATURE INDICATED BY REMOTE READING THERMOMETER DOES NOT AGREE WITH APPARENT
WATER TEMPERATURE.
Check for difference between actual and indicated temperatures.
Replace remote reading thermometer (paragraph 5-20.3).
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