Calenta 40c boiler error status (outside UK)

Peter Kop · 30 Nov 2022

Hi, my Calenta 40c is also on most time at St8.
Yesterday I change iSense room thermostat for evohome Honeywell, add OT bridge r8810 add two radiator controller HR92, other radiators have manual controls for the moment. All works nice, but boiler is constantly at status 8. Please advise

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Calenta 40c boiler error status (outside UK)

Peter Kop

DIYnot Local

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