BoilerFaultCodesRavenheat 17 Fault Code
The Ravenheat 17 fault code means: your boiler has stopped working because the fan is not receiving the correct electrical power needed to safely clear exhaust fumes.. It appears on 7 Ravenheat models in our database.
Technical description: Possible issue with fan voltage
What causes the Ravenheat 17 fault?
This fault occurs when the boiler's main control board detects an incorrect voltage being sent to the fan motor. The most common reason is that the fan components have worn out and are drawing too much power, or the control board itself has developed a fault and can no longer regulate the electricity properly.
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 17 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Ravenheat 17 fault code information on this page is sourced and cross-checked against the official Ravenheat service / installation manuals for each affected model.
- Ravenheat CSI 120 manual (PDF)
- Ravenheat Csi Primary manual (PDF)
- Ravenheat HE120 / HE150 manual (PDF)
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026