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Samsung Pumps with Havenwise & Shelley

 
Air Source Heat Pumps (ASHPs)
Last Post by TechnoGeek 6 months ago
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 Broadsman
(@broadsman)
Estimable Member Member
Joined: 2 years ago
Posts: 77
Topic starter 26/01/2026 3:39 pm   [#2782]

My Shelley stopped working at the weekend, which resulted in Havenwise trying to heat my house at 50C from 2pm until early evening when I realised that something was wrong. Shelley is plugged in (ie not on batteries) and has been in the same position for some months, and has been working fine.

After consultation with Havenwise I tried a reset, with no apparent change in the readings. In one part of the app it confirmed that it was connected to the wifi, but on My Dashboard, it said not connected. At various times over the weekend it connected to the wifi for about half an hour and then disconnected again.

Today, Monday it is working correctly. I have no reason to suppose that there had been a problem with the wifi.

Just wondering if it could be a problem with my Shelley thermometer and whether anyone else has experienced similar problems



   
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TechnoGeek
 TechnoGeek
(@technogeek)
Estimable Member Member
Joined: 3 years ago
Posts: 177
03/02/2026 1:58 pm  

@broadsman do you live in a highly populated area?

Sometimes your router can select a congested comms channel and if your Shelley is a reasonable distance away it could be having issues staying connected due to network collisions. If the router then switches to a quieter channel connectivity can improve.

There maybe no issue brewing with the Shelley. Just monitor it for now to see if it happens frequently from now on.


5 Bedroom House in Cambridgeshire, double glazing, 300mm loft insulation and cavity wall insulation
Design temperature 21C @ OAT -2C = 10.2Kw heat loss, deltaT = 8 degrees
Bivalent system containing:
12Kw Samsung High Temperature Quiet (Gen 6) heat pump
26Kw Grant Blue Flame Oil Boiler
4.1Kw Solar Panel Array
34Kwh GivEnergy Stackable Battery System


   
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