High
0E13 on Alpha FMK

Your boiler has temporarily locked itself because it has been reset too many times in a short period while trying to clear another fault.

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

Maximum number of resets reached. (Over 5 reset attempts have been reached within 15 minutes.)

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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