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How can I find the fault on my optimax HE31C boiler?

We have an HE 31C Ferroli optimax boiler which started making some funny noises during the night and now has a blank screen. We have changed the fuse to no avail but obviously cannot see any fault cause as the screen is blank. Can anyone help?

Johnny
September 2012

Ferroli Heating, Home Heating Systems Optimax Boiler Ferroli

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How can I find the fault on my optimax HE31C boiler?

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How can I find the fault on my optimax HE31C boiler?

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How can I find the fault on my optimax HE31C boiler?

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