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Last seen: Jun 28, 2025
Have you tried lowering the WC curve to see if that has an effect? The pump is stopping because the flow temperature is rising to its desired limit ...
@newhouse87 The pic of the main controller screen posted shows the system running in Target Room Temperature aka Auto Adaption mode. @disabledman I...
@ambaz79 You can query Melcloud under Energy Usage and specify just one day and see pie charts of the energy consumed and generated for heating and ho...
@mcwatson1974 I'd concur with Derek that you might need to have the three-way valve checked to see if it is faulty. The HW cycle should have the wat...
Let's clarify a couple of things. You have an Ecodan tank, so that will use a heat plate exchanger to transfer the heat to the cylinder. Getting the h...
Looking at your flow temps, when the space heating starts the flow and return rise quickly in parallel, there is then a slowing of the increase but mo...
It's most likely from the Main RC, the only other options are the Mitsi portable RC or a wired thermistor. The Ecodan doesn't take temperature info fr...
Could be the pairing between the receiver unit and the remote has been lost, or an issue with the receiver unit.
Hi @tfb8 I'm going to presume you have set the Dip switch SW1-8 to on to activate the wireless controller function at the FTC... A thermostat wire...
@stub13 You'll have to go into the service menu which is the spanner option to the right on the second of the main screens. Just Ok the password (a...
@crustydoodle The system as a whole is definitely not operating ‘normally’, the issue is identifying a problem when a standard bit of kit, the EcoD...
I wouldn't be so quick to dismiss the F9 error message either. Any error message indicates something not having functioned correctly. A quick search t...
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