Jungheinrich Error Code 1901 (specifically ) indicates that the drive pedal was activated during the truck's startup sequence . This is a safety-related event message designed to prevent unintended movement when the operator turns the key or powers on the vehicle. Understanding Error Code 1901
When you see this code on your display, the forklift's electronic control system has detected that the accelerator (drive pedal) is not in its neutral position while the system is initializing. To protect the operator and surrounding personnel, the truck will typically inhibit travel until the condition is cleared. Primary Causes Jungheinrich Error Code 1901
: The most common cause is the operator having their foot on the drive pedal while turning the key or entering their PIN. Jungheinrich Error Code 1901 (specifically ) indicates that
: Debris, such as small stones or floor litter, may be wedged under the pedal, preventing it from returning to its fully upright neutral position. To protect the operator and surrounding personnel, the