20-09-2016, 07:32 PM
Hi.
I'd be inclined to remove both valves and test it with them out, in fact when you power it on with signal and phones connected there should be the usual delay for the heaters to warm up.
I'd be inclined to remove both valves and test it with them out, in fact when you power it on with signal and phones connected there should be the usual delay for the heaters to warm up.
