S.13 — DHW Mode Ignition Error (EcoTEC Pro / EcoTEC Plus)

What does S.13 mean?

This error indicates a failure within the EcoTEC Pro / EcoTEC Plus boiler's ignition system when attempting to light the burner for domestic hot water production.

• Ignition fault in DHW mode
• Gas supply issue
• Component failure

Click steps to track your progress.

1. 1

   Verify that your gas supply is active by checking other gas appliances.

2. 2

   Ensure the condensate pipe is not frozen, especially if it's an external pipe.

3. 3

   Perform a boiler reset by turning off the main power and then on again.

4. 4

   If the ignition continues to fail, contact a qualified heating engineer to inspect the ignition components.