SECTION 2 - PROCEDURES
2-8
– JLG Lift –
3120743
- 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).
7.
6 FLASHES - Drive Hand Controller Fault.
- 3.5-0V Input: Voltage <2.5V on power up.
- Voltage >4.5V in drive.
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