TM 9-4910-387-14-2
6-2. TROUBLESHOOTING (cont)
SYMPTOM INDEX (cont)
Troubleshooting
Procedure
(Page)
COUNTING CIRCUIT
Does not function.
Counter pulse switch may be defective ..........................................................................................................................................................
500-1000-OFF count switch may be defective ...............................................................................................................................................
Holding relay may be defective.......................................................................................................................................................................
Latching relay may be defective .....................................................................................................................................................................
Solenoid may be defective ............................................................................................................................................................................
START COUNT switch may be defective........................................................................................................................................................
Starter microswitches may be defective .........................................................................................................................................................
Stepping relay may be defective ....................................................................................................................................................................
Wires may be open ........................................................................................................................................................................................
COUNTING LIGHT
Does not light.
Indicator light may be defective .....................................................................................................................................................................
Wires may be open ........................................................................................................................................................................................
DRIVE SPEED OF TESTER
Will not decrease.
Low cam speed stop may be set incorrectly....................................................................................................................................................
Low speed microswitch may be defective ......................................................................................................................................................
Remote control motor may be defective ........................................................................................................................................................
SLOW button may be defective .....................................................................................................................................................................
Wires may be open ........................................................................................................................................................................................
6-4
