P38A Alternator Fault

TAKdriver · Feb 17, 2016

A couple of times when I just switch on ignition I get "Alternator Fault" message.
Starts fine, message disappears, runs fine and no "book" fault appears.
Haven't run Faultmate yet.
Alternator replaced about 1k miles ago.
Any comments/advice ?
TAKdriver

biketeacherdave · Feb 17, 2016

Fit a new battery

TAKdriver · Feb 19, 2016

biketeacherdave said:
Fit a new battery

Battery is only 3 months old !!

Musicmaker · Feb 20, 2016

My attention seeking rangie gives me the same message as well as ABS fault. I think it's down to low battery volts.

wammers · Feb 21, 2016

Check all the connections to the alternator. Make sure they are clean and firm.

TAKdriver · Feb 21, 2016

wammers said:
Check all the connections to the alternator. Make sure they are clean and firm.

Thanks Wammers : checked & they were OK. A full overnight charge on the battery seems to have done the trick.
For my education , why are P38's so hard on batteries ( or is it sensitive to diminishing power in the battery ?)

wammers · Feb 22, 2016

TAKdriver said:
Thanks Wammers : checked & they were OK. A full overnight charge on the battery seems to have done the trick.
For my education , why are P38's so hard on batteries ( or is it sensitive to diminishing power in the battery ?)

Very sensitive to diminished power. The systems do not like low voltages.

P38A Alternator Fault

TAKdriver

Active Member

biketeacherdave

Well-Known Member

TAKdriver

Active Member

Musicmaker

Active Member

wammers

No longer with us, RIP

TAKdriver

Active Member

wammers

No longer with us, RIP

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