TM 9-4910-387-142
Some testers have different remote control motors. Location
To perform continuity checks the distance between test
of contact points will vary.
points may be greater than meter leads, so utilize slave wire.
All electrical troubleshooting is done by continuity test,
RH and LH control panels may have to be removed to make
unless otherwise specified.
proper contact.
6-2. TROUBLESHOOTING
SYMPTOM INDEX
Troubleshooting
Procedure
(Page)
AUXILIARY MOTOR
Fails to start, AUXILIARY MOTOR switch is in the on position.
Auxiliary motor may be defective ...................................................................................................................................................................
AUXILIARY MOTOR switch may b defective ...............................................................................................................................................
e
L2 or L3 wire may be open from main power source to forward side of starter ...............................................................................................
Wires may be open ........................................................................................................................................................................................
BULB TEMPERATURE GAGE
Does not indicate.
BULB TEMPERATURE gage is defective ......................................................................................................................................................
Manifold bulb assembly may be defective ......................................................................................................................................................
BURETTES
Will not empty.
Burette(s) may be defective............................................................................................................................................................................
Dumping shaft assembly is improperly positioned ..........................................................................................................................................
Will not fill up.
Counting circuit does not function ..................................................................................................................................................................
Graduate rack neoprene tubing(s) may be plugged or twisted ........................................................................................................................
6-3