Vacon NXP Error Code 42

Vacon PLC & VFD Major Encoder

Model: NXP | Code: 42

Applicable Systems
Vacon 100

Symptoms

Encoder fault: encoder signal invalid or missing.

Possible Causes

  • Encoder cable broken
  • Encoder hardware failure
  • Signal interference

Troubleshooting Steps

  1. Step 1: Check encoder cable
    Cable intact
  2. Step 2: Verify encoder signal
    Signal present
  3. Step 3: Eliminate EMI
    No interference

How to Reset

Reset via control panel after encoder repair.

Related Vacon Fault Codes

Source: Vacon NXP Quick Guide, Danfoss/Vacon

Category: PLC & VFD