If the code persists, ensure the pedal is physically returning to neutral.
If you are seeing this code on your display, it indicates a safety interlock issue regarding the drive pedal. This article will explain what this code means, why it happens, and how to troubleshoot it, ensuring your, or your technicians, can get the equipment back up and running. What Does Jungheinrich Error Code 1901 Mean?
Before digging into wires, attempt a software reset.
The technician will have the necessary diagnostic tools (like JUDIT or ETM software) to perform more advanced troubleshooting. This may involve: Jungheinrich Error Code 1901
For safety reasons, Jungheinrich forklifts are designed not to operate if the operator is already pushing down on the accelerator pedal when the key is turned on. This prevents the truck from abruptly driving off upon ignition. The truck does not respond to throttle input. The display panel shows "1901.1".
Beep.
The accelerator pedal position is measured by a sensor, typically a Hall effect sensor (non-contact, using magnetic fields) or a potentiometer. Over time, dirt, moisture, or grime can block the pedal mechanism, preventing it from fully returning to its neutral "zero" position. This results in a constant signal being sent to the controller, triggering the error upon startup. If the code persists, ensure the pedal is
The steps are: 1) Press the "h/time" and "snail" buttons simultaneously to access the service interval reset screen or press "SET" Jungheinrich Forklift Error Codes - Machine Maxx USA 1901.1 – Drive pedal activated during startup. Machine Maxx USA
By understanding the possible causes and taking proactive steps to troubleshoot and resolve Jungheinrich Error Code 1901, you can minimize equipment downtime and ensure optimal performance. If you're unsure about any aspect of the process, don't hesitate to seek professional assistance to prevent further complications.
: Short circuits, open lines, or corroded pins between the travel setpoint device and the main computer controller. Step-by-Step Troubleshooting Checklist 1. Clear the Operator Interface What Does Jungheinrich Error Code 1901 Mean
Warehouse environments collect dust, debris, and plastic shrink-wrap fragments. If debris gets wedged into the accelerator pivot assembly, the pedal may fail to return fully to its resting zero-position when released. The controller reads this slight displacement as active acceleration during start-up. 3. Faulty or Miscalibrated Potentiometer
Specifically, is an informative message, not a critical system failure. It unequivocally indicates that the "Accelerator pedal was applied during power-up." . In simpler terms, the truck was powered on while the accelerator pedal was depressed.