Fault Image High

Johnson Starley Fault Image Fault Code

Also written as FAULTIMAGE — same fault.

The Johnson Starley Fault Image fault code means: your boiler has detected a general internal malfunction and has shut down as a safety precaution, meaning you currently have no heating or hot water.. It appears on 6 Johnson Starley 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: System Behaviour
Typical repair cost £120-350 (including labour)

DIY fix possible

Locate the reset button on the main control panelPress and hold the reset button for approximately 5 secondsWait 2 minutes for the system to attempt a restart

Find a Gas Safe engineer

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Johnson Starley models that show the Fault Image fault code

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

Source

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

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