Jungheinrich Eje 120 Error Code 4372 !!install!!

If the motor draws excessive current due to a shorted winding or a phase-to-ground fault, the motor cannot achieve the commanded torque. The controller commands more current, the motor groans, but speed remains low. The resulting deviation triggers Code 4372. This is more common on older EJE 120 units used in high-duty-cycle applications (e.g., beverage distribution).

However, if you have replaced all the common components and the code persists, do not keep throwing parts at it. Invest in a diagnostic session with a Jungheinrich dealer. The cost of a service call is far less than the downtime and potential damage from guessing. jungheinrich eje 120 error code 4372

Measure voltage across the battery terminals with no load (should be >24V). Then, activate the lift function while measuring. If voltage drops below 20V during lift attempt, before proceeding further. If the motor draws excessive current due to

neutral zone for travel or hydraulics (lift/lower) cannot be found This is more common on older EJE 120

If you have performed the basic resistance and wiring checks and the code persists, contact a certified Jungheinrich technician. They have the proprietary diagnostic software (e.g., "Jungheinrich CanCode" or similar) to monitor brake current in real-time and confirm controller health.

In simpler terms: The truck’s main controller (the ESC – Electronic Steering Controller or the drive controller) has commanded the hydraulic pump to lift the forks, but the feedback signal from the lift limit switch, pressure sensor, or motor current sensor does not match the expected values within a defined time window.