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 TM 55-1905-219-14-8
4-5. GENERAL (Continued).
Table 4-13. Milk Dispenser Troubleshooting (Continued).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 3.
Defective overload protector.
Replace.
5. Compressor tries to start when control closes but cuts out on overload, finally starts after several attempts.
Step 1.
Low voltage.
Power source must be 110 vac.
Step 2.
Temperature control differential too close.
Replace temperature control.
Step 3.
Temperature control sensing element not in tight contact with evaporator.
Tighten.
Step 4.
Relay contacts defective.
Replace relay.
Step 5.
Restriction, air, or noncondensable gases in refrigeration system.
Evacuate and recharge.
6. Compressor starts but immediately cuts out on overload.
Step 1.
Low voltage.
Power source must be 110 vac.
Step 2.
Relay contacts welded together.
Replace relay.
4-54
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