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Plumberpro, Plumber
Category: Plumbing
Satisfied Customers: 634
Experience:  Heating and plumbing answers. 20 years experience
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I have a Ideal Mini logic 24 being installed and we have a

Customer Question

I have a Ideal Mini logic 24 being installed and we have a L1 fault showing on the new boiler.
the troubleshooting shows L1 as " Flow temperature overheat lockout"
the boiler has been showing this error sometime without even lighting
we have drained the system from the lowest point twice.
thermistor has been checked
Pump is ok and running.
Submitted: 3 years ago.
Category: Plumbing
Expert:  Plumberpro replied 3 years ago.

Hi . did you check to see if the air release valve in the boiler is open


Double check the valves under the boiler are open . it seems obvious , but in you're case its probably going to be something simple.also open thew pump bleed screw to xkeck the boiler is filling with water


Hi , how did you get on , did you solve your problem?