Generac

INSPECT BATTERY ALARM

UnclassifiedElectrical

What This Code Means

Battery voltage indicated on the display is 0 VDC; DMM indicated positive DC amperage between 50 milliamps to 2.5 amps; No voltage on the display; Voltage less than required on the display; Negative DC amperage draw on the battery

Possible Causes

  • •Bad connections to the controller from the battery
  • •Charger is functioning properly
  • •Bad connection at the controller
  • •Faulty controller

Suggested Actions

  1. 1Refer to the flow chart
  2. 2Stop testing
  3. 3Disconnect the PZ10 connector from the controller.
  4. 4Set a DMM to measure DC voltage.
  5. 5Connect one meter test lead to PZ10 Pin 1 (Wire 13) and the other meter test lead to a clean frame ground. Measure and record the voltage.
  6. 6Connect one meter test lead to PZ10 Pin 2 (Wire 13) and the other meter test lead to a clean frame ground. Measure and record the voltage.
  7. 7Replace the controller.

Related Generac Fault Codes

LOW BATTERYLOW BATTERY ALARMINSPECT BATTERYLOW FUEL (10%)FIRMWARE ERROR-9LOW FUEL (20%)CHARGER MISSING ACOVERVOLTAGECHARGER FAILRED (FAULT) LEDBATTERY PROBLEMUNDER VOLTAGE
Browse all Generac fault codes

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for INSPECT BATTERY ALARM on your specific Generac unit — cited to the OEM manual, not a forum guess.

TRY IT FREE