Controller was frozen. Hard reset. Low battery would not leave the screen. New battery. Controller was stating battery voltage was 2.1 volts. 6/16/23 low battery, 6/16/23 low battery, 6/16/23 low battery, 7/19/22 Charger missing a/c, 7/19/23 wiring error. 14.8 hours. Serial #3003753544