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Page Title:
CONDENSER FAN FAILS TO OPERATE. |
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 TM5-4120-383-14
Table 4-2.
TROUBLESHOOTING-Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
(See para 4-33.)
Step 4.
Check fan for binding.
Relieve binding or replace fan.
CONDENSER FAN FAILS TO OPERATE.
3.
Disconnect input power before performing
internal electrical troubleshooting. Voltages
used can be lethal.
Step 1.
Check operation of condenser fan motor.
(See para
Replace motor if defective.
Test motor.
(See fig.
Step 2.
Check electrical connections and wiring.
4-4 and para 4-20.)
Tighten or replace connectors, or repair or
replace damaged wires.
Step 3.
Check fan for binding.
(See para 4-36.)
Relieve binding or replace fan.
Disconnect condenser fan relay.
(See fig. 4-4 and
Step 4.
source, then check continuity of contact that
should be closed.
Replace bad relay.
INSUFFICIENT COOLING.
4.
Step 1.
Check to see that MODE SELECTOR switch is properly
positioned.
Set switch to COOL.
Check sight-glass liquid level indicator that
Step 2.
refrigerant is colorless and clear. Yellow, milky
4-31
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