1200 S Fan Constantly On

Discussion in 'Monster' started by NSR500, Sep 11, 2023.

  1. The fan's run constantly with the bike switched off, the only way i can stop it is to pull the BBS fuse, are there any relays that control the fan or is the BBS unit the likely culprit for this? I did try a couple of other fuses but only the BBS fuse stopped the fans, ideas would be great, cheers.
     
    #1 NSR500, Sep 11, 2023
  2. Does it do this with a cold engine?
     
    #2 Borgo Panigale, Sep 11, 2023
  3. Hot or cold. As soon as you put the fuse back in, booths fans on instantly
     
    #3 NSR500, Sep 11, 2023
  4. Download the owners’s handbook from the Ducati site. There is a wiring diagram at the end of it. You will see there are no relays. The fans connect to the BBS.
     
    #4 chrisw, Sep 11, 2023
  5. So the BBS looks like the culprit then
     
    #5 NSR500, Sep 11, 2023
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