Help! No Power from port

Shurm

Pedelecer
Jun 21, 2018
27
22
57
Hi everyone just wondering if anyone has had anything similar ? Got a new Haibike Hardseven at weekend I did try the charger and it worked but it came with a fully charged battery. Anyway today I thought I’d charge it up and it doesn’t work through the connection on the bike now,I’ve removed the battery and thankfully that works and charges.
It’s a 2.5 model with a Yamaha motor etc, could it be some moisture in the plug ?
Thanks for any help
 

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