JLG M400 Service Manual Service Manual - Manual (Page 232)

SECTION 7 - BASIC TROUBLESHOOTING, ELECTRICAL INFORMATION, & SCHEMATICS
7-18 – JLG Lift – 3121827
Hourmeter inoperative.
Damaged wiring in hourmeter circuit. Repair or replace wiring.
Inoperative hourmeter. Replace hourmeter.
Platform alarm circuit.
Platform alarm inoperative. Check platform alarm/Run System Test.
Defective bulb in tilt light. Replace bulb.
Table 7-6. Electrical System - Troubleshooting
TROUBLE PROBABLE CAUSE REMEDY