Q: At what voltage do the 1223 and 1224 errors get triggered. A: 1223 and 1224 errors relate to the 14V supply to the Hairball dropping too low for the Hairball to insure safe operation. 1223 is just a warning that you are getting low (if your check engine light lights when you hit the … Continue reading When is the 12V too low for the Hairball?