How much does it cost to fix Johnson Starley error code ER 17 + RESET?

Typical repair cost for the Johnson Starley ER 17 + RESET fault is £180-350 including labour.

ER 17 + RESET High

Johnson Starley ER 17 + RESET Fault Code

Q: What does the Johnson Starley ER 17 + RESET fault code mean?

Your boiler has stopped working because it cannot detect water moving through the system to keep it cool during the startup process.

Also written as ER17RESET — same fault.

The Johnson Starley ER 17 + RESET fault code means: your boiler has stopped working because it cannot detect water moving through the system to keep it cool during the startup process.. It appears on 1 Johnson Starley model in our database.

Technical description: No circulation at start up

Typical repair cost £180-350 (including labour)

Engineer required

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

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Johnson Starley models that show the ER 17 + RESET fault code

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

Warmcair DW Repair: £180-350

Source

Johnson Starley ER 17 + 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