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Page Title:
CONDENSER FAN FAILS TO OPERATE. |
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 TM5-4120-384-14
Table
4-2.
TROUBLESHOOTING-Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
(See
Step
4.
Check fan for binding.
Relieve
binding
or
replace
fan.
(See fig. 4-4
Step
5.
Disconnect evaporator fan relay.
Actuate primary with 24 volt dc
and para 4-28.)
source, then check continuity of contacts that
should be closed.
Replace
bad
3.
CONDENSER FAN FAILS TO OPERATE.
Disconnect input power before performing
Voltages
internal electrical troubleshooting.
used can be lethal.
Step
1.
Check operation
of
condenser
fan
motor.
(See
Replace
motor
if
defective.
Test
motor.
(See
Step
2.
Check electrical connections
and
wiring.
Tighten or replace connectors,
or
repair
or
replace damaged wires.
Step
3.
Check
fan
for
binding.
(See
Relieve
binding
or
replace
fan.
(See fig. 4-4
and
Disconnect condenser fan relay.
Step
4.
Actuate primary with 24 volt dc
source, then check continuity of contact that
should be closed.
Replace
bad
4-31
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