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Page Title:
CONDITIONED (EVAPORATOR) AIR FAN DOES NOT START OR STOPS DURING OPERATION IN ANY MODE. |
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 TM5-4120-384-14
Table
4-2.
TROUBLESHOOTING-Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step
4.
Check that internal wiring at terminal board
TB3
is
wired for connector to which input power is
connected.
See
and
move
wires
if
necessary.
(See para 4-24
Check for defective
circuit
breaker.
Step
5.
and 4-29.)
Replace
circuit
breaker
if
defective.
(See para
Step
6.
Check for defective MODE SELECTOR switch.
Replace
switch
if
defective.
2.
CONDITIONED (EVAPORATOR) AIR FAN DOES NOT START OR STOPS
DURING OPERATION IN ANY MODE.
Disconnect input power before performing
Voltages
internal electrical troubleshooting.
used can be lethal.
Step
1.
Check operation
of
fan
motor.
(See
Replace
motor
if
defective.
Test
motor.
Check operation of MODE SELECTOR switch.
(See para
Step
2.
Test
switch.
Replace
switch
if
defective.
(See
Check electrical connections
and
wiring.
Step
3.
4-4 and para 4-20.)
Tighten or replace connectors,
or
repair
or
replace damaged wires.
4-30
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