Ctek D250s - flashing service battery light

Submitted: Sunday, Apr 29, 2018 at 06:53
ThreadID: 136623 Views:9434 Replies:2 FollowUps:12
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Hi all,
I have an unusual problem that can't find an answer for in the Ctek information. I have had my 250s for a number of years in the back of my ute charging my 150 amp hour AGM with no problems. I have just recently updated the size of my charge wiring to 6B&S and included an outlet out the back to the van - so that I can charge the van battery also whilst driving. After I connected the ute battery up again, (not the van battery) and started the vehicle, the yellow Ctek service battery light started flashing after it indicated it had connected to the second battery, and I noted that the voltage at the output side of the Ctek was pulsing up to 15.2 volts. The battery gauge I have in the cab also alarmed, and showed the pulsing voltage of 15.2 volts. All the connections were checked and the voltage to the Ctek from my alternator was 14.4 volts. No other fault lights illuminate on the Ctek
Has anyone experienced this? Is this a sign of a fault?

Cheers, Paul.
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