Unox WM03 Error Code

What does Unox WM03 mean?

WM03 is a core probe warning on the Slowtop accessory. The Slowtop core (food) probe is reading abnormally or is disconnected, so core-probe cooking is impaired. As a warning the Slowtop continues with reduced function while flagging the core probe problem.

Symptoms

• WM03 warning referencing the Slowtop
• Core probe cooking unavailable or unreliable
• Implausible core temperature reading
• Warning recurs during operation

Common causes

• Core probe disconnected
• Probe out of range or failed
• Damaged probe cable or connector
• Wiring fault to the board

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Diagnostic steps

1. Power down and check the probe

   Turn off power and confirm the Slowtop core probe is connected.

2. Inspect the probe

   Check the core probe and cable for visible damage.

3. Measure the probe

   Measure the probe with a multimeter to confirm it is within range.

4. Replace the probe

   Replace the core probe if it does not read correctly and retest.

When to call a professional

WM03 affects the Slowtop accessory. Verifying and replacing the core probe requires the correct Unox part and accessory access; have a qualified Unox technician handle it if reconnecting the probe does not clear the warning.