6-7 Low

Remeha 6-7 Fault Code

Also written as 67 — same fault.

The Remeha 6-7 fault code means: your boiler is notifying you that it has successfully moved into its first stage of heating operation and is functioning as expected.. It appears on 3 Remeha models in our database.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description: Operating signal stage 1

What causes the Remeha 6-7 fault?

This message appears when the boiler's burner has successfully ignited and is operating at its initial power level to begin warming your home. It occurs as a normal part of the start-up sequence and indicates that the gas valve and ignition system are performing correctly. You are seeing this because the control panel is simply communicating its current live status rather than reporting a mechanical failure.

DIY fix possible

This fault may be fixable without an engineer. Check your manual first.

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Remeha models that show the 6-7 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Remeha 6-7 fault code information on this page is sourced and cross-checked against the official Remeha service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026