06 High

Ravenheat 06 Fault Code

The Ravenheat 06 fault code means: your boiler is struggling to detect the temperature of the water being heated for your taps, which means it has stopped producing hot water to prevent internal overheating.. It appears on 3 Ravenheat models in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: DHW SENSOR SEQUENCE CODE - Check /Replace DHW sensor and cables
Typical repair cost £120-180 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Ravenheat models that show the 06 fault code

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

Source

Ravenheat 06 fault code information on this page is sourced and cross-checked against the official Ravenheat service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026