: Check for physical obstructions in the tiller handle that might prevent the controls from returning fully to the neutral position.
Look for external physical cracks on the tiller head housing. Step 2: Clean the Sensor Components
This is a surprisingly common trigger. Jungheinrich has identified that certain tiller head configurations initially had extremely narrow "neutral zones" in the steering/travel maps. When the tolerance window is too small, normal wear and tear on the tiller's hairpin can cause the signal to fall outside of the accepted parameters, throwing code 4372.
: The "window" for the neutral position in the tiller head is too small, causing the sensor to send an "analogue implausible" signal even if the tiller is at rest. Outdated Firmware jungheinrich eje 120 error code 4372
The Jungheinrich EJE 120 is a highly reliable electric walkie pallet jack used extensively in warehouses worldwide. However, like any sophisticated piece of industrial equipment, it can occasionally display fault codes that disrupt your operations. One such fault is .
Older 2017 models (and potentially others) are known to have an issue where the neutral zone detection is too sensitive, requiring a firmware update.
Pallet jacks frequently operate in harsh environments, including cold storage, damp loading docks, or dusty warehouses. Moisture and debris can penetrate the electrical plugs inside the tiller arm or the main compartment, leading to pin corrosion or loose physical connections. 3. Faulty Tiller Electronic Card (CanDis / Switch Board) : Check for physical obstructions in the tiller
If your physical components look perfectly fine, the issue is likely a firmware mapping issue. Because Jungheinrich is aware of this exact error, they have released firmware updates that expand the tolerance window for the "neutral zone".
: Switch the truck off and then back on again. In some cases, this clears minor signal glitches and allows the system to recalibrate its zero-point.
This error code is most commonly documented on the EJE 120, but it can potentially appear on other Jungheinrich models that use a similar tiller head and control system, such as the EJE 110, EJE 116, or ERE series. Outdated Firmware The Jungheinrich EJE 120 is a
Error 4372 on the Jungheinrich EJE 120 is a brake circuit plausibility error. In 80% of cases, the issue is a damaged wiring harness or a failing brake coil, not the expensive main controller. Systematic electrical testing will pinpoint the fault and get your pallet truck back in operation safely.
Select the for the drive switch and lift/lower potentiometers.