If the fault is intermittent or occurs only when turning, investigate the wiring harness using a digital multimeter: Remove the upper plastic cover of the tiller head casing.

If you would like to pinpoint the exact fix, let me know the of your EJE 120 or if you have access to a Jungheinrich Judit diagnostic cable . Share public link

Key features of the truck include a sealed sensor system for increased breakdown protection and contactless electronics in the tiller arm for precision operation. However, this advanced technology, particularly in models manufactured around 2017, can occasionally develop issues with its electronic control units, which is where our error code 4372 "TOP" comes into play.

This comprehensive technical guide explains exactly what Error Code 4372 means, what causes it on the EJE 120, and the precise steps required to clear it and safely return your truck to service. 📋 The Short Answer: What is Error Code 4372? Jungheinrich EJE 120

The EJE 120 uses a 120-ohm terminating resistor at both ends of the CAN bus (Master controller and Top module).

If these steps do not clear the code, it is advisable to contact a Jungheinrich Service Provider to perform a full system scan with the JUDIT diagnostic tool. Discussion: Error 4372 - Forums - Forklift Action

When this happens, warehousing operations slow down, causing critical workflow disruptions. Resolving this issue involves understanding the exact mechanics of the error, performing basic on-site checks, and applying professional firmware and hardware fixes. Understanding Error Code 4372

Faulty tiller head sensor reading or strict neutral zone definitions. Best Fix: Firmware update in the tiller head.

[Power Off / Restart] ──> Temporary Fix? ──> YES ──> Check for Software Update Campaign │ └──> NO / Recurrent ──> Inspect Tiller Components & Wire Harness Step 1: Perform a System Reset Turn off the ignition key or disconnect the keypad code.

In 90% of cases, the issue is not a major mechanical breakdown but rather an overly sensitive neutral zone sensor in the tiller head, resolvable with a simple from a qualified technician. If the problem persists, a replacement of the tiller head control card will return the EJE 120 to full operation.

Disconnect the main battery plug completely to drain residual capacitor energy.

[Isolate Power & Restart] ──> [Inspect Tiller Hardware] ──> [Flash Firmware Update] Step 1: Perform an Isolation Power Cycle Turn off the ignition key switch.