Electro BP-400 Faulty

Submitted: Wednesday, Jun 08, 2022 at 15:14
ThreadID: 143817 Views:9981 Replies:4 FollowUps:6
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HI

I have an Electro BP-400 battery protector fitted to my caravan. I have always had the selector on off so the feature is not utilised.
As I walk into the caravan there is a switch to turn on/off the 12 volt system.
Over the past few months this switch will not always work so a number of flicks and power comes on after hearing something like a contact/relay noise coming from the BP-400..
Now it will only work for a short period of time and then goes off and on like a hot/faulty connection may be present.
I have just installed Lithium batteries so probably do not need this component any more.
Do these things fail? I was just going to join the incoming (red wire) to outgoing (white wire) bypassing the unit.
I cannot access the rear to check connections.
The amber light comes on but with some load such as 5 led lights and 2 sirocco fans on full it will work for maybe 5 minutes , orange light goes off and than turns back on in less than a second.
Could the switch on the unit (BP-400 be faulty).
I cannot find and bad connections so am thinking it is the unit.

I am assuming that the switch near the door operates on the negative wire.
Any advice or suggestions are appreciated

Daniel
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