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Page Title:
Table 4-2. Unit Troubleshooting-continued |
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 TM 5-4210-233-14&P-1
Table 4-2.
Unit Troubleshooting-Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ELECTRICAL SYSTEM-CAB CONTROLS AND INDICATORS-Continued
31
LOW VOLTAGE LIGHT STAYS ON-Continued
Step 3. Check battery isolator.
Replace isolator (see para 4-113).
Step 4. Check Nartron Voltron module for proper operation.
Replace module (see para 4-9.4).
Step 5. Check wiring for continuity.
Replace wire (see para 4-9.4).
32
LOW VOLTAGE BUZZER DOES NOT SOUND DURING IGNITION "TEST"
(Refer to Electrical Wiring Diagrams, Appendix H, Sheet 3 of 16.)
Step 1. Check alarm buzzer for proper operation.
Replace alarm buzzer (see para 4-9.4).
Step 2. Check ignition switch.
Replace switch (see para 4-94).
Step 3. Check fuse.
Replace fuse (see para 4-9.4)
.
Step 4. Check wiring for continuity.
Replace wiring (see para 4-9.4).
33
LOW VOLTAGE BUZZER DOES NOT SOUND WHEN VOLTAGE IS LOW
(Refer to Electrical Wiring Diagrams, Appendix H, Sheet 3 of 16.)
Step 1. Check low voltage relay.
Replace relay (see para 4-9.4).
Step 2. Check 3A fuse on unswitched side of relay.
Replace fuse (see para 4-9.4).
4-93
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