In this guide, we will dissect everything you need to know about , including its technical meaning, root causes, step-by-step diagnostic procedures, and permanent solutions.
The acceleration pedal (either forward or reverse) is pressed.
Look for any obvious signs of electrical issues, such as damaged wires or faulty connectors. Jungheinrich Error Code 1901
With the sensor still disconnected, measure from the sensor plug to the controller plug:
– this will not clear stored codes on Jungheinrich trucks made after 2012. The EEPROM retains faults. In this guide, we will dissect everything you
: A mechanical issue where the pedal is stuck in an "on" position or a faulty sensor is incorrectly signaling that the pedal is pressed. Recommended Actions
. The system should reset, and the error code should disappear. 2. Inspect the Accelerator Pedal Assembly With the sensor still disconnected, measure from the
If the forklift was overloaded for extended periods (e.g., lifting beyond rated capacity repeatedly), the sensor is telling the truth. The motor needs cooling time.
Jungheinrich Forklift Error Codes - Machine Maxx USA. * 0915.2 – Industrial truck not ready for operation – battery door opened. * Machine Maxx USA Jungheinrich Error Code List - Google Groups
Dirt, debris, or a broken return spring holds the pedal down, preventing it from returning to neutral.