AVD1001

[Steph1973]

Well. I got a transformer that plugs into the wall to power my unit. I got about 45 min of it working and now nothing. No light no power. Not sure what to do

[StephenB]

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@Steph1973 wrote:
Well. I got a transformer that plugs into the wall to power my unit. I got about 45 min of it working and now nothing. No light no power. Not sure what to do

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You need to sort out if it's the transformer or the doorbell.

Can you check if the transformer is still working?  You might need to get a multimeter to do that.  

Alternatively, exchange the transformer and/or the doorbell with the sellers.

What model transformer are you using?