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Touch Test Failed

Touch Test unsuccessful

Candy · MARS Series Vending Machines

What does Touch Test Failed mean?

The touch interface test has failed. The machine was unable to write to or verify the test pattern on the inserted chip.

Common Causes

  • The touch chip may be faulty or incompatible.
  • The touch interface hardware may have a problem.
  • The test pattern could not be written or read correctly.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Try using a different, known-good touch chip.

  2. 2

    Ensure the chip is inserted correctly into the adapter.

  3. 3

    Exit the test mode and restart the test procedure.

  4. 4

    If the failure persists, the touch interface may require service.

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
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