Expansion board troubles

Good morning - I have a problem with 2 expansion boards and wonder if you can advise [12-24V DC SWITCH EXPANSION BOARD (ONEWIRE, DS2413)]

Both have stopped controlling pumps and heaters and have the same symptom. The transformer no longer shows solid light, but the light flashes.

Swapped transformers with one I know are working but same issue. Any ideas?

Thanks in advance

Could you please run brewblox-ctl log? If you detach one expansion board, does the problem persist?

Wow, I feel rather dumb, swapped boards and power supplies - turns out the pump is pooched.

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