Why wonât the ATS re-transfer to normal? - SE relay malfunction, check the relay contacts to verify they are changing contact positions accordingly. - Coil clearing contact malfunction. - Time delays for re-transfer to normal source has not expired. Check P1 potentiometer. - Normal has not stabilized. - Controller issue. Why won't the ATS start the generator? â¢ Engine start wires are not connected to the engine start contacts (terminal 15 and 16 for a closed to start and 14 and 16 for an opening to start generator). â¢ Generator engine start control not set to AUTO position. â¢ Generator is not a 2-wire start â¢ No continuity on the engine-start wires (check wires for breaks). â¢ Generator Controller issue. â¢ NR relay nonoperational (controller should be replaced). Why won't the ATS transfer to emergency? - ER relay nonoperational, check relay contacts and relay coil; replace if necessary. - Coil clearing contact malfunction. - Time delay on transfer to emergency has not expired. Check P1 dial for time delay setting. - Generator source is not acceptable (compare switch voltage rating with the generated voltage of the engine). - Controller issue. Why won't the engine exerciser work properly? - DIP switch settings. - 9V Battery needs to be replaced. - Battery jumper not set to ON position. -11BG optional engine exerciser and standard exerciser are both enabled. Set only one exerciser. DISCONTINUED PRODUCT - NR relay / Controller issue.