field runs continuously

For issues involving the NS2 regulator.

field runs continuously

Postby Cate on Fri Mar 13, 2015 2:25 pm

After 9 months of good service, yesterday whilst charging batteries I noted that instead of regulating at 14.8 (normal bulk setting for Trojan T-105) the voltage had reached 16.3. Shut down and investigated, found that the field was active even with the engine shut down. Went through the diagnostic measurements, and all values were nominal except on pin 2, where I found 10.6 volts with ign off, batt volts with ign on, and 13.4 and rising with the engine running. The field LED stays on until I remove the fuse in the B+ lead.

Aquavolt in Sydney Australia has posted a replacement to us, but it will take some days to arrive, for we are stuck anchored near a tiny village in Tasmania, and I was wondering if there is any possible fix to be done here and now so that we can get under way? Any help gratefully accepted.

Jim s/v Insatiable II, lying Spring Bay, TAsmania
Cate
 
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