(No display) High

Maxol (No display) Fault Code

Also written as NODISPLAY — same fault.

The Maxol (No display) fault code means: your boiler appears to have no power and the control panel is completely blank, meaning it cannot start the ignition process.. It appears on 1 Maxol model 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: No light indication - Defective power supply
Typical repair cost £90-280 (including labour)

DIY fix possible

Check if other appliances are working to rule out a general power cutEnsure the boiler's fused spur switch (usually near the boiler) is turned ONCheck your home's main consumer unit (fuse box) to see if a circuit breaker has trippedReplace the fuse in the boiler's external switch with a new 3-amp fuse

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Maxol models that show the (No display) fault code

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

Source

Maxol (No display) fault code information on this page is sourced and cross-checked against the official Maxol service / installation manuals for each affected model.

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