Error LED Is Illuminated Or Flashing
Illuminates red if reverse polarity is detected, or blinks “On” and “Off” when the internal battery temperature is too high or too low.
If the red light is illuminated, simply reverse the positions of the red and black clamps.
If the light is blinking, allow a few minutes for the battery to be room temperature.
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The NOCO Company 30339 Diamond Parkway #102 Glenwillow, OH 44139-5400 United States of America