In some cases, the error is intermittent. Users have reported that (switching it off and on) may temporarily clear the code and allow for normal operation until the next signal mismatch occurs. Discussion: Error 4372 - Forums - Forklift Action
The most common cause of error 4372 on Jungheinrich EJE 120s (particularly 2017 models and older stock) is a software tolerance issue in the tiller head (the steering arm).
The red emergency reverse switch at the head of the tiller is a critical safety component. If dirt, debris, or physical damage causes this switch to stick in a partially depressed state, or if its internal microswitch fails, the controller registers a continuous or erratic safety fault, locking down the truck. 4. Controller Voltage Fluctuation or CAN-Bus Interruption jungheinrich eje 120 error code 4372 work
Before starting repairs, , including disconnecting the battery. Step 1: Power Cycle the Unit
Error codes in the 4000 range typically refer to In some cases, the error is intermittent
Turn the key switch to the "OFF" position and press the emergency stop (red mushroom button).
If the controller detects an illogical sequence of inputs, an unstable voltage drop across the safety loop, or an interrupted signal from the tiller microswitches, it triggers . The machine locks out the traction motor to prevent uncommanded or unsafe movement. Primary Causes of Error Code 4372 The red emergency reverse switch at the head
4. Update the Tiller Head Firmware (The Definitive Factory Fix)
If you are dealing with this fault right now, could you clarify: