TM 1-1510-224-MTF
D2.
MASTER WARNING or MASTER CAUTION annunciator light will
not illuminate for any red or yellow faults.
a.
Defective fault warning light.
b.
Defective fault detection module.
c.
Defective annunciator control module.
D3.
Depressing the press-to-test switch has no effect on fault
warning system operation.
a.
Defective switch.
b.
Defective circuit breaker.
c.
Defective wiring.
D4.
Dim control does not function properly.
a.
Defective rheostat switch.
b.
Defective annunciator control module.
TROUBLESHOOTING GUIDE E - POWER PLANT
CONDITION
PROBABLE CAUSE
E1.
LOW IDLE speed is either high or low.
LOW IDLE speed improperly adjusted.
E2.
HIGH IDLE speed is either high or low.
HIGH IDLE speed improperly adjusted.
E3.
Low or high torque is observed during torque check.
Barrel adjustable stop is improperly adjusted.
E4.
Reverse torque, N1, and propeller RPM is too high or low.
Reverse adjusting screw is improperly adjusted.
E5.
Newly rigged engine accelerates faster or slower than opposite
engine.
Engine rigging, components, or engine is mismatched.
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