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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 - PUMP PANEL - Continued
3
OUTRIGGER ALARM DOES NOT SHUT OFF WHEN OUTRIGGERS ARE DEPLOYED AND
OUTRIGGER DOWN LIGHTS ARE LIT
(Refer to Electrical Wiring Diagrams, Appendix H, Sheet 7 of 16.)
Step 1.
Check front left and front right outrigger down relays for +12V at wires 1249 (left)
and 1248 (right).
Replace outrigger down relay. (see para 4-9.4)
Step 2.
Check left and right interlock and alarm relays for proper operation.
Replace relay (see para 4-9.4).
Step 3.
Check wiring for continuity.
Replace wire (see para 4-9.4).
4
REAR PANEL OUTRIGGER DOWN LIGHT WILL NOT ILLUMINATE
(Refer to Electrical Wiring Diagrams, Appendix H, Sheet 9 of 16.)
Step 1.
Check bulb.
Replace bulb (see para 4-178).
Step 2.
Place a jumper wire across the outrigger down limit switch terminals.
If light illuminates, replace outrigger down limit switch (see para 4-196).
If light fails to illuminate, go on to Step 3.
Step 3.
Check wiring for continuity.
Replace wire (see para 4-9.4).
Step 4.
Check aerial circuit breaker #2 for +12V.
Replace breaker (see para 4-99).
4-122
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