TM 11-7440-232-12/ NAVELEX 0967-LP-275-5010
During troubleshooting, you may want to silence any audible alarms. Turn ALARM CUT OFF switch to CUT OFF
position. Be sure to return switch to NORMAL when operation is resumed.
5-17. TROUBLESHOOTING CHARTS
Troubleshooting procedures to quickly isolate the trouble associated with a major malfunction are given below. Refer
to Troubleshooting Charts 1 through 5 to aid you in performing the correct troubleshooting steps in order to locate and
correct the trouble.
Troubleshooting Symptom or
Alarm sounds with POWER switch on and POWER lamp does not light.
Alarm sounds with POWER switch on and POWER lamp lights.
No Alarm. POWER switch on. POWER lamp lights. No transmission or o
reception, or both.
Transmitter inoperative. No data output to distant terminal with TRANS MODE
switch in any position.
No transmission in receive branch direction. Transmit branch and power supply