TM 5-3610-253-14
Table 5-8. ORGANIZATIONAL TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
LIGHT BARRIER SIGNAL LAMP IS OFF -
20.
PAPER CUTTER IS ON. MAIN MOTOR IS ON.
Cont
(a) If voltage is present, replace light barrier relay board
(b) If voltage is not present, refer to direct/general support
maintenance.
Test voltages at photo element plate yellow test points, G1, G2, and
Step 5.
G3 using pin 7 of plug connector 110 as ground. Be sure voltage
levels are a maximum of .12 V dc when light beams are uninterrupted
and raise to a minimum of .5 V dc when light beams are interrupted.
(a) If voltages are incorrect, replace photo element board (LSF)
(b) If voltages are correct, refer to direct/general support
maintenance.
5-131