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Page Title:
UNIT OPERATES CONTINUOUSLY ON COOLING CYCLE. |
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 TM5-4120-383-14
Table 5-1.
TROUBLESHOOTINGContinued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5.
UNIT OPERATES CONTINUOUSLY ON COOLING CYCLE.
Step 1.
Check position of TEMPERATURE SELECTOR switch.
(See para 2-2.)
Move selector to WARMER.
High voltage can kill.
Check TEMPERATURE SELECTOR switch S3.
Step 2.
(See para
4-22.)
Replace if defective.
High voltage can kill.
Check solenoid valve L1.
Step 3.
(See para 5-23.)
Replace if defective.
6.
SIGHT GLASS APPEARS YELLOW INSTEAD OF GREEN.
Use great care to avoid contact with liquid
refrigerant or refrigerant gas being
discharged from any container under pressure.
Sudden and irreversible tissue damage can
result from freezing.
Wear thermal protective gloves and a face
protector or safety glasses in any situation
where skin or eye contact is possible.
Prevent contact of refrigerant gas with flame
or hot metal surfaces.
Heat causes the refrigerant to break down and
form carbonyl chloride (phosgene), a highly
toxic and corrosive gas.
5-10
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