Jungheinrich Error Code 1901 «480p»

The accelerator pedal’s microswitch or potentiometer is damaged, misaligned, or sending a false electrical signal to the controller. Step-by-Step Troubleshooting Guide

Understanding Jungheinrich Error Code 1901: Causes, Troubleshooting, and Solutions Jungheinrich Error Code 1901

The cable from the drive motor to the controller runs through a flexible link (especially on reach trucks with moving masts). Constant flexing breaks internal copper strands. Jungheinrich Error Code 1901

When a Jungheinrich forklift is powered on, the system performs a self-test to ensure all safety parameters are met before allowing operation. Error 1901.1 is triggered if the controller detects that the accelerator (drive) pedal is already depressed or sending a signal when the key switch is turned on. Common causes include: Operator Error Jungheinrich Error Code 1901