Smart Solar 75/15 Death

My Smart Solar 75/15 appears to have died overnight. Bluetooth connection is intermittent, sometimes it connects. Sometimes not. All leds flashing, apparently randomly. When connected it randomly disconnects. I did manage a ‘restore’

All other Victron Bluetooth devices are fine.

Load output has intermittent power of between 0-3v.

Disconnected solar panels and battery. Reconnected. Nothing.

Disconnected everything and reconnected a second time, now nothing.

Power supply to unit is fine, 14v at the device battery terminals.

Any thoughts?

There is a fuse

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