ER 14 + RESET High

Johnson Starley ER 14 + RESET Fault Code

Also written as ER14RESET — same fault.

The Johnson Starley ER 14 + RESET fault code means: your heater has automatically switched off because the internal temperature has become too hot.. It appears on 1 Johnson Starley 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: Over-heat (>105ºC)
Typical repair cost £120-280 (including labour)

DIY fix possible

Check that all warm air vents (louvres) throughout the property are fully open.Inspect the air filter and clean or replace it if it is clogged with dust.Press the reset button once to see if the heater restarts normally after cooling down.

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Johnson Starley models that show the ER 14 + RESET fault code

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

Source

Johnson Starley ER 14 + RESET 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