Inspect inverter / drive module
. The tiller head sensor is reporting that it isn't quite at zero, even when your hands are off the controls. Because the safety system can't confirm the truck is in a safe "neutral" state, it locks out functions to prevent the machine from creeping or moving unexpectedly. How the Story Ends (Troubleshooting) jungheinrich eje 120 error code 4372 work
Within the hour, the settings were adjusted, the "neutral zone" was recognized, and Mark was back to clearing the loading dock—with Error 4372 a thing of the past. Troubleshooting Summary Potential Issue Recommended Action No neutral zone detected Ensure controls are fully centered; check for debris. Software Steering map too sensitive Update controller software to widen neutral window. Electrical Loose signal connections Check wiring between tiller and main controller. Discussion: Error 4372 - Forums - Forklift Action Inspect inverter / drive module
Check the sensor and the internal card within the tiller unit for signs of damage or loose connections. Ensure that there is no obvious mechanical backlash that would prevent the controls from seating properly in the neutral position. How the Story Ends (Troubleshooting) Within the hour,
: Ensure the battery is holding a charge under load, as low voltage can sometimes cause erratic sensor readings.