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Troubleshooting
Troubleshooting Flowcharts
T-7-2
Is B+ present in both cases?
Raymond® Walkie Pallet Truck Maintenance Manual
With key switch OFF and battery disconnected, remove PMC connector from motor controller. Check for continuity and wiring shorts between: PMC-9 and BPMC-14 and BPMC-16 and B+ using wiring diagram (schematic).
With key switch OFF and battery unplugged, remove connector PMC from motor controller. Measure resistance between PMC-7 to PMC-6 while slowly rotating throttle in both directions.
PMT1 can be used here. See PMT section in Troubleshooting
Turn key switch OFF, jack and block truck. With key switch ON and handle in operating position, measure voltage at B+ of motor controller (with reference to M-) of motor controller with throttle ON.
With key switch OFF and battery disconnected, check for continuity and wiring shorts between: PMC-6 to JP6-4
JP6-4 to VR-2
VR-4 to JP6-5
JP6-5 to PMC-7