Hi,

Compare to 220 Volt switching 110 Volt requires twice the amps for the same power, so it is likely that if the original fuse was left in it will have blown.

Take the fuse out and check it with a multi-meter if you can. I think you will find it has popped.

The good news, is that fitted the correct size in each DSP should rectify the problem.

Regards,
Carl

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