Lenze i500 Error Code Ce4

Lenze PLC & VFD Major Communication

Model: i500 | Code: Ce4

Applicable Systems
i500

Symptoms

Bus-off state: CAN bus in bus-off condition (code 065).

Possible Causes

  • CAN bus hardware fault
  • Excessive bus errors
  • CAN transceiver failure

Troubleshooting Steps

  1. Step 1: Check CAN bus hardware
    Hardware functional
  2. Step 2: Verify bus error rate
    Error rate acceptable
  3. Step 3: Replace CAN transceiver if faulty
    New transceiver operates correctly

How to Reset

Reset via control panel after CAN bus is restored.

Related Lenze Fault Codes

Source: Lenze i500 Frequency Inverter Manual, Lenze SE

Category: PLC & VFD