Faulty Redarc SmartStart SBI12 12VDC Dual Battery Isolator

Submitted: Tuesday, Mar 27, 2012 at 19:56
ThreadID: 92822 Views:2530 Replies:1 FollowUps:3
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Hi all,

Have had a SBI12 Redarc Isolator for 6 years on 4x4 and it decided to have a holiday and not operate. I decided to see why, cleaned all wire terminals and connecting poles and now operating 100% again.

Hope this tip is useful to others that have had trouble with them.

Cheers P&J
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Reply By: Member - Troll 81 (QLD) - Tuesday, Mar 27, 2012 at 20:47

Tuesday, Mar 27, 2012 at 20:47
Jeeez 6 years is a good innings for a isolator. I was told that they have a limited life span due to cycling on/off all the time. Redarc makes a great isolator and stand by their products. Mine went bust after less than 12 months and they send me a new one within a couple of days free of charge. Been going strong for about 3 years now.
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Follow Up By: Member - Phil G (SA) - Tuesday, Mar 27, 2012 at 23:28

Tuesday, Mar 27, 2012 at 23:28
Redarc make a good isolator for the price.
I prefer the Qld made Rotronics because they use FETs to switch current rather than a solenoid.
My first Rotronics isolator lasted from 1987 to 2000 in two Landcruisers, and was still working fine when I sold it with my 60 series. My second one is an MH10 that has been in 3 Landcruisers including the current vehicle. Last one cost me $250, worth every cent.
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FollowupID: 756913

Follow Up By: MEMBER - Darian, SA - Wednesday, Mar 28, 2012 at 08:58

Wednesday, Mar 28, 2012 at 08:58
Ditto to Phil - had an early Rotronics isolator in two vehicles over about 10 years - gave it away still working to a mate when my LC came with a Surepower isolator already in it. But Redarc is a great South Australian company ('carn the Crows') .....and they offer good customer support too....:-o).
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Follow Up By: P and JM - Wednesday, Mar 28, 2012 at 19:51

Wednesday, Mar 28, 2012 at 19:51
Troll 81.

It's not so much the Isolator itself, it's the components on the PC Board in the detection box that stuff up.
They are made and assembled in the UK and are not replaceable according to Redarc in Lonsdale.

Cheers P&J
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