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Page Title:
Table 5-1. Troubleshooting-continued |
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 TM 11-6625-3024-14/EE641-AC-MMA-010/E154 SYSEX/TO 33AA50-5-1-1
Table 5-1. Troubleshooting (Continued)
Probable Cause
Symptom
Remedy
37. Transport will not
Replace fuse
a. +5 Vdc #2 fuse
respond to FAST
(1A1A2F2) is blown,
(See paragraph 5-23).
pushbutton switch.
Replace Circuit Card 4.
b. Defective FAST switch.
Replace Circuit Card 4.
c. Defective motion control
circuit.
Replace Circuit Card 3.
d. Defective processor
circuit.
38. Transport will not
a. +5 Vdc #2 fuse
Replace fuse
respond to RUN
(1A1A2F2) is blown.
(See paragraph 5-23).
REVERSE switch.
b. Defective RUN
Replace Circuit Card 4.
REVERSE switch.
c. Defective motion control
Replace Circuit Card 4.
circuit.
Replace Circuit Card 3.
d. Defective processor
circuit.
39. Transport will not
a. +5 Vdc fuse (1A1A2F2)
Replace fuse
respond to RUN
is blown.
(see paragraph 5-23).
FORWARD switch.
b. Defective RUN
Replace Circuit Card 4.
FORWARD switch.
c. Defective motion control
Replace Circuit Card 4.
circuit.
Replace Circuit Card 3.
d. Defective processor
circuit.
40. STOP indicator
a. Defective STOP
Replace STOP indicator
lamp.
does not light.
lamp.
b. Defective motion
Replace Circuit Card 4.
control circuit.
41. Incorrect data
a. Defective write
Replace Circuit Card 1.
pattern generated.
clock circuit.
b. Defective processor
Replace Circuit Card 3.
circuit.
c. Defective write
Replace Circuit Card 5.
data Control circuit.
d. Defective write
Replace Circuit Card 6.
data and parity circuit.
42. EXT. START input
a. Defective EXT.
Replace Circuit Card 6.
does not respond
START circuit.
to start pulse.
b. Defective processor
Replace Circuit Card 3.
circuit.
5-8
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