I have set up iotawatt and it is working well.
Unfortunately I ticked
“Enable derived three-phase” in error and now it is greyed out so I cannot cancel it.
Is there an easy solution or do I have to start again?
When you “enable derived three-phase”, all configured CTs become associated with "phase A” by default. Subsequently, the phase setting for each CT will be modifiable in setup. If any CTs are then set to a phase setting other than phase A, the derived three-phase is in use and cannot be turned off. Ensure the phase of all CTs is reset to phase A and you will be able to uncheck the enable box.
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Thank you Bob
That worked