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This content is structured for use in a technical manual, a workshop checklist, or a service ticket.
When an EJE 120 power pallet jack displays code 4372, technicians narrow the issue down to three primary areas: 1. Missing or Narrowed Neutral Zone
While this guide gives you a clear understanding of the issue, troubleshooting should ultimately be left to professionals. Contact your local Jungheinrich service center. They can access the necessary diagnostic tools and proprietary firmware to perform the update or replacement correctly and safely, ensuring your EJE 120 returns to safe, productive operation.
No detectable neutral zone or a zone too narrow to establish a zero-travel switch position.
: The most common trigger is the absence of a defined neutral zone in the drive or lift/lower controls.
Jungheinrich is aware of this common bug and has released firmware updates to expand the neutral zone window.
When error 4372 is active, the operator will typically observe the following:
On a , encountering Error Code 4372 indicates a tiller head neutral zone failure . This specific fault occurs when the vehicle's controller detects an implausible steering map window or an overly narrow neutral zone in either the drive or the lift/lower controls. When the truck throws this error, the onboard system halts operation as a safety precaution, disrupting warehouse productivity until the issue is addressed.