JET Remote Control for 115V DCs, $35

[LCHIEN]

Unfortunately, the unit did not come with a wiring shematic. I will open it and check if there is an obvious problem that is causing the short circuit. If it is not really obvious, fixing the unit would be beyond my ability.
Will be busy today and tomorrow so I gonna try it on Sunday afternoon.
Thank you for your suggestion.
Ken

or send it back to Jet for warranty repair.