EL
ErrorLib
Brands
||
  1. Home
  2. Heidenhain
  3. NC Control
  4. 5647 E014
About·Privacy·Terms

ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

5647 E014

Error in CC switch-off test

Heidenhain · NC Control

What does 5647 E014 mean?

During a CC switch-off test, the CC switch-off signal '-N0' failed to switch correctly on both CC (Controller Control) units. This suggests a hardware defect or an issue with the connection between the controller boards.

Common Causes

  • CC switch-off signal: -N0 does not switch on both CCs.
  • Hardware defective.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Power cycle the NC control to reset the system and re-attempt the CC switch-off test.

  2. 2

    Check the communication and wiring connections between both controller boards (CCs) for damage, looseness, or improper termination.

  3. 3

    Inspect both controller boards for any visible damage, signs of overheating, or component failures.

  4. 4

    Verify that the -N0 signal path is correctly implemented and functioning across both CC units, confirming signal integrity.

Browse all codes in this manual (58)
Verified technical data. Last updated: April 2026

Related Faults

10590 E004SH1 status test to active10591 E005SH1 status test to inactive10592 E010SH2 status test to active
Source: Heidenhain NC Control
Open Manual (Page 273)Search more codes in this manual