JLG 45e Service Manual User Manual

Page 33

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SECTION -

3120861

– JLG Lift –

-7

5. 4 FLASHES - Motor Permanently High.

- Direction contactor welded. (Point ‘A’ within 6V of B + ve in neutral).
- Drive inhibited.
- Flashes in neutral until fault is cleared.

6. 5 FLASHES - Motor Neither Low Nor High. (Open Circuit)

- Direction contactors (or line contactor) did not close.
- Point ‘A’ not within 6V of B + ve after 500mS.
- Drive inhibited.
- Flashes until fault is cleared, when contactor closes.

NOTE: If recycling to neutral does not clear the fault, then the fail-safe is due to an S/C contactor coil and the key switch must

be recycled (and coil replaced).

Figure 2-1. Sevcon Controller Troubleshooting Flow Charts. (Sheet 2 of 4).

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