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Snorkel LX41 Electric-sn4022+ User Manual

Page 81

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Section 3 - Troubleshooting

MOS90 Fault Finding Flow Charts

067448-003 LX31/LX41 Electric Work Platform

Page 3-11

6 Flashes

- Accelerator faults

- 3.5 Volts to 0 Volts = Min. to

Max. Speed on accelerator

input (pin 14). Greater than

4.5 volts can mean an open
accelerator pot. Less than 2.5

Volts on power up, indicates

more than 30% demand

- Controller pulses at creep

setting

- Flashes until fault cleared

Check operation of accelerator with test se-

quence

Rectify/replace

Check pot operation with voltmeter for voltage at

minimum setting

Adjust as necessary or replace

Replace MOS90 Controller

7 Flashes

- Batter y voltage dipped below

14 volts

- Drive inhibited

- Turn key switch off and on to

clear flash

Check battery voltage (under load) with a voltme-

ter or calibrator

Change/charge battery

Check power connections, fuses, etc.

Repair/replace

Check for battery leakage to frame

Rectify

Replace MOS90 Controller

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