TM 55-1510-215-MTF
b. Defective wiring between fire warning power circuit breaker
and right control amplifier.
C46. Annunciator panel right fire warning light illuminates in all
test positions but left fire warning light does not.
a.
Defective left fire detection control amplifier.
b. Defective wiring between fire warning power circuit breaker
and left control amplifier.
C47. Ventilation blower will not run.
a.
Tripped vent blower circuit breaker.
b.
Defective motor brushes.
c.
Defective wiring.
C48. Ventilation blower draws excessive current.
a.
Misaligned or preloaded bearings.
b.
Defective bearings.
C49. Ventilation blower runs at reduced speed.
a.
Brushes not seated properly.
C50. Ventilation blower draws excessive current and runs at high
speed.
a.
Shorted turns in field windings.
C51. Ventilation blower draws excessive current and speed surges.
a.
Shorted turns in armature.
C52. Ventilation blower has excessive vibration.
a.
Armature out of balance.
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