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Daikin Altherma not working.


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Hi all.  I’m after some help. My Daikin Altherma  has been working fine until yesterday but now I have no heat. When the unit is switched on the circulator runs until about 30 l/min flow then after about 90 seconds it switches off. No fault codes are showing. I’ve tried an hard reboot as well as a full reset on the controller but no luck. Any ideas what to do ?

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Not sure if this is fixed already but try posting on the open energy monitor forum - there's a lot of discussion about Daikin's on there. More about getting them set up properly but there's a lot of experience.

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On 11/01/2025 at 18:08, Bramco said:

Not sure if this is fixed already but try posting on the open energy monitor forum - there's a lot of discussion about Daikin's on there. More about getting them set up properly but there's a lot of experience.

I’ve only just seen this but thank you. Daikin can’t work out the problem remotely so are sending an engineer to meet the installer on Thursday. 

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