rE 28 Medium
Your boiler has been reset too many times in a short period and has temporarily locked itself to prevent damage.
Technical description: Maximum locking number reached – boiler has reached the maximum reset number (5 times in an hour) – attempt 1 reset each hour thereafter.
Typical repair cost: £0-120 (including labour)
DIY fix possible
Wait for 60 minutes without touching the boiler to allow the internal timer to clear.Check that your gas pre-pay meter (if applicable) has credit.Ensure any external gas valves are open and that other gas appliances are working.After the hour has passed, perform one single reset to see if the boiler fires up.
Protect yourself from future repair bills
A boiler cover plan would cover faults like rE 28 — no call-out fees, no surprises.
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Parts commonly replaced
- Ignition Electrode
- Gas Valve
- Flame Sensing Probe
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