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SW Mismatch

SW Mismatch — Software versions do not match

Candy · MARS Series Vending Machines

What does SW Mismatch mean?

This error indicates a mismatch between different software components of the machine, specifically between the microprocessor (uP) and the Flash memory. This can cause operational problems.

Common Causes

  • Incompatible software versions installed
  • Incomplete software update
  • Firmware corruption

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure all software components are updated to compatible versions.

  2. 2

    Perform a full software update or re-flash if corruption is suspected.

  3. 3

    Consult the service manual for specific procedures to resolve SW mismatches.

Browse all codes in this manual (36)
Verified technical data. Last updated: April 2026

Related Faults

3 beeps then stop3 beeps then stop — Motor fault detectedA1 High CurrentA1 High Current — Motor detected high current usageA1 Low CurrentA1 Low Current — Motor failed due to low current or motor not found
Source: Candy MARS Series Vending Machines
Open Manual (Page 49)Search more codes in this manual