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6 pulses (arg 1 or 8)

Embedded PC Internal Data Error

Beckhoff · CX2100-0914 Embedded PC

What does 6 pulses (arg 1 or 8) mean?

The K-bus ERR LED flashes 6 times, with '1' or '8' in the argument sequence, indicating an internal data error within the Embedded PC. This type of error suggests an issue with the PC's internal data processing or memory related to K-bus operations.

Common Causes

  • Internal data corruption within the embedded PC.
  • RAM error affecting data storage.
  • Watchdog timer expiration due to internal process failure.
  • Corrupted configuration data on the embedded PC.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Perform a hardware reset of the Embedded PC by cycling its power supply off and then back on again. This can clear transient internal data errors.

Browse all codes in this manual (19)
Verified technical data. Last updated: April 2026

Related Faults

0x8001UPS Configuration Error0x8002UPS Communication Error0x8003Error Reading UPS Status Data
Source: Beckhoff CX2100-0914 Embedded PC
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