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Vokera 29c red light
Vokera 29c. Wouldn't have opted for it, but it came with the house, 2 years old boiler. It was locking out of a solid red light. Turning appliance off and on, whilst running a lot water tap kicked it back into action again. However, after a time, and usually after running heating, it locks out again. Rinse and repeat. A few days ago some pipes froze but I did unfreeze them. Any suggestions for this intermittent locking/ red lighting? With thanks.
