Jungheinrich Error Code 1901

If the simple restart doesn't work, you may be looking at a more technical problem:

If your unit uses a potentiometer, it may have drifted out of the zero-travel calibration. A certified technician will need to use the Jungheinrich Diagnostics Tool to verify the sensor's voltage values. Jungheinrich Error Code 1901

Turn the ignition key or log-off the digital keypad to shut down the truck completely. If the simple restart doesn't work, you may

Dirt, debris, or a mechanical issue is preventing the accelerator pedal from returning fully to its "zero" or neutral position. If the simple restart doesn't work

According to standard Jungheinrich Forklift Error Code guides , indicates that the Drive Pedal was activated during startup .