Battery or Battery Charger Failure

Gulfstream GVII

Eddie sez:

There isn't much here other than the AFM procedure. I'll give this more thought when I get a chance.

Everything here is from the references shown below, with a few comments in an alternate color.

Last revision:

20190429

AFM Procedure

[AFM, §03-04-50]

Corrective Action

    NOTE

    The affected side MAIN AC BUS should be powered.

  1. Affected BATT Volts / Amps . . . Check
  2. If the reading is abnormal:
    1. BATT CHRGR CB (Left and Right) . . . PULL
    2. L BATT CHRGR: LEER. LPDB, L MAIN AC

      R BATT CHRGR: REER, RPDB, R MAIN AC

    3. Affected BATT CHRGR CB . . . RESET (after 3-5 minutes)
    4. If the battery does not charge:
    5. (1) Affected BATT CHRGR CB . . . PULL

  3. If the battery is discharging:
  4. NOTE

    If both Main Batteries are turned off, the EBHA and UPS batteries will illuminate on the overhead panel. This is simply for aircrew awareness and no change to EBHA and UPS Batteries has occurred.

    Selecting the Right Main Battery to OFF will cause the APU to shut down if the APU is operating. APU start is not available with the Left or the Right Main Battery OFF.

    1. Affected MAIN BATTERY. . . OFF
  5. If battery power is required:
    1. MAIN BATTERIES (Left and Right) . . . ON

Gulfstream GVII-G500 Airplane Flight Manual, Revision 4, August 29, 2019

Gulfstream GVII-G500 Production Aircraft Systems, Revision 3, July 15, 2019