Need help with code 12812 - Technical Troubleshooting discussion in Forkliftaction's forums

Yale ERC050ZGN48TE084:
Need help with code 12812

I have a Yale ERC050VGN showing code 12812 and 12820. We parked it for a week and now it has a code - maybe caused by recent high humidity? The machine will not lift or drive. The machine turns on and codes within about 5 seconds. We connected a battery showing a full charge on another machine - the display on the machine with the code is not reading the full charge. Any insights are appreciated!

Posted 2 Sep 2021 02:34
Discussion started by Andrew_Guild
Ohio, United States

Andrew Guild

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Thanks for the help! We unplugged the accelerator sensor and plugged it back in and the code went away. No sign of corrosion or anything bad. Thanks!

Posted 3 Sep 2021 05:33
Reply by Andrew_Guild
Ohio, United States

Andrew Guild

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Andrew,

12812 is for accelerator pedal position sensor A to B. Check pedal connector for damage or loose wires. Also look at the VSM connector which is located directly under the floor board with two connectors that look the same. They should be marked A or B, maybe 1 or 2. Look at either A or 1 and check all wires for loose connections. 12820 is for a steer sensor. Check both steer wheels for plastic wrap and wires hanging. Sensor should mount into the top of the steer axle just inside the wheel.

Posted 3 Sep 2021 05:15
Reply by Fishmech
Virginia, United States

The hard to do we do right away. The impossible just takes a little longer.

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