Error 4372 is defined as: “Top limit switch (S4) – invalid state in relation to lift command or S10 status.” Specifically, the truck’s main controller (CAN-bus based) detects that S4 has changed state without the expected sequence from S10, or that S4 remains open longer than the logic permits.
Whether you are using a or a Lithium-Ion battery configuration . jungheinrich eje 120 error code 4372 top
Contact a Jungheinrich service technician to update the tiller head firmware to the latest version. This update expands the neutral window, resolving the 4372 error. 2. Inspect the Tiller Head and Wiring Error 4372 is defined as: “Top limit switch
: The software update digitally expands the neutral window tolerance, preventing normal mechanical variances from triggering the error code. Step 3: Test and Replace the Tiller Head Controls This update expands the neutral window, resolving the
Because this issue is widely documented on mid-2010s models, Jungheinrich issued a official firmware patch. A certified technician can plug an engineering laptop into the truck's diagnostic port and .
[Inspect Controls for Debris] ➔ [Check Wiring & Connectors] ➔ [Measure Sensor Voltages] ➔ [Update Firmware / Calibrate] 1. Inspect and Clean the Controls
Burned logic components on the controller boards corrupt communication. Step-by-Step Diagnostics and Troubleshooting
Error 4372 is defined as: “Top limit switch (S4) – invalid state in relation to lift command or S10 status.” Specifically, the truck’s main controller (CAN-bus based) detects that S4 has changed state without the expected sequence from S10, or that S4 remains open longer than the logic permits.
Whether you are using a or a Lithium-Ion battery configuration .
Contact a Jungheinrich service technician to update the tiller head firmware to the latest version. This update expands the neutral window, resolving the 4372 error. 2. Inspect the Tiller Head and Wiring
: The software update digitally expands the neutral window tolerance, preventing normal mechanical variances from triggering the error code. Step 3: Test and Replace the Tiller Head Controls
Because this issue is widely documented on mid-2010s models, Jungheinrich issued a official firmware patch. A certified technician can plug an engineering laptop into the truck's diagnostic port and .
[Inspect Controls for Debris] ➔ [Check Wiring & Connectors] ➔ [Measure Sensor Voltages] ➔ [Update Firmware / Calibrate] 1. Inspect and Clean the Controls
Burned logic components on the controller boards corrupt communication. Step-by-Step Diagnostics and Troubleshooting