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I have a Vailant Ecoplus 837 boiler and the heating keeps…

Customer Question
Hi, I have a...

Hi, I have a Vailant Ecoplus 837 boiler and the heating keeps coming on itself, I have a Rf Error on the thermostat display and a circled C displayed on the actual boiler. Do you know what this can be?

Contractor's Assistant: How old is the appliance? Have you gotten error messages before?

It is about 7 years old and this has happened before.

Contractor's Assistant: Do you plan on doing the work yourself?

Depends, though I am glad to pay if the price is reasonable.

Contractor's Assistant: Anything else we should know to help you best?

Only that the heating coming on keeps waking the family up:(

Submitted: 7 months ago.Category: UK Plumbing
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Answered in 54 minutes by:
12/5/2017
Plumber: Andrew Smith, Engineer replied 7 months ago
Andrew Smith
Andrew Smith, Engineer
Category: UK Plumbing
Satisfied Customers: 3,781
Experience: Domestic Gas, Commercial Gas, LPG, Unvented Hot Water, Part P Electrical, Commercial Catering
Verified
It sounds like you have a wireless thermostat.
Try fitting new batteries and sitting the transmitter under the boiler so they can resync.
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Customer reply replied 7 months ago
I have already changed the batteries with no joy so it sounds like I need to resync, will they do this automatically if next to each other?
Plumber: Andrew Smith, Engineer replied 7 months ago
With them being radio controlled they will stand a better chance.
Let me know if it works, if not then we can go through a recommissionng procedure
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Customer reply replied 7 months ago
Will do, i try tonight. Thx.
Plumber: Andrew Smith, Engineer replied 7 months ago
No problem.
Come back to me then.
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