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ASHP Ecodan L9 error - No Heating but Hot Water

 
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Air Source Heat Pumps (ASHPs)
Last Post by Mars 3 months ago
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SUNandAIR
 SUNandAIR
(@sunandair)
Noble Member Member
Joined: 3 years ago
Posts: 501
28/04/2025 1:02 pm  

@phoenix15 I hope you have success with finding a Mitsubishi accredited engineer very soon. Esp. If you have a leak as well.

it may be that over time you may have lost the rust inhibitor that stops the rust deposits build up. So if the plan is to flush your system that should mean you’ll get a fresh dose of inhibitor. 

best of luck @phoenix15. Let us know how you get on?!

 


   
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 ASHP-BOBBA
(@ashp-bobba)
Reputable Member Member
Joined: 8 months ago
Posts: 192
28/04/2025 1:37 pm  

@phoenix15 Mars has a list of reliable ASHP companies, I assume this would not only be for installation but all services relating.

Where in the country are you?

 

Professional installer. Book a one-to-one consultation for pre- and post-installation advice, troubleshooting and system optimisation.


   
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 Phoenix15
(@phoenix15)
Active Member Member
Joined: 8 months ago
Posts: 6
Topic starter 28/04/2025 2:19 pm  

@ashp-bobba Cumbria.. we have contacted the local ones we could find. Getting them to actually turn up seems to be the problem!


   
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 ASHP-BOBBA
(@ashp-bobba)
Reputable Member Member
Joined: 8 months ago
Posts: 192
28/04/2025 2:33 pm  

@phoenix15 Sorry to hear that, we are all the way down in Kent and we only cover Kent otherwise I would send you someone to help.

Professional installer. Book a one-to-one consultation for pre- and post-installation advice, troubleshooting and system optimisation.


   
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Mars
 Mars
(@editor)
Illustrious Member Admin
Joined: 4 years ago
Posts: 3364
01/05/2025 8:27 am  

@phoenix15, @heacol cover your area… I’d strongly recommend you send Brendon an email: info@heacol.co.uk

Buy Bodge Buster – Homeowner Air Source Heat Pump Installation Guide: https://amzn.to/3NVndlU
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