2013/10/03 Caterpillar

Uninterruptible Power Supply:

ES12F (S/N: CZE1-UP)

UPS 1000S (S/N: CZS1-UP)

UPS 1000Z (S/N: EDZ1-UP)

UPS 120 (S/N: CNK1-UP)

UPS 1200S (S/N: CZT1-UP)

UPS 1200Z (S/N: HDR1-UP)

UPS 150 (S/N: CPC1-UP)

UPS 250 (S/N: BEE1-UP; CNM1-UP; APZ1-UP)

UPS 300 (S/N: CNJ1-UP)

UPS 301 (S/N: CSY1-UP)

UPS 500 (S/N: CSE1-UP)

UPS 600 (S/N: CTX1-UP)

UPS 750 (S/N: CPM1-UP)

UPS 900 (S/N: CRY1-UP)

UPS500G (S/N: TYD1-UP)

UPS600G (S/N: DLD1-UP)

ReferenceTesting and Adjusting, REHS9988, "UPS 120, UPS 150, UPS 250, UPS 300, UPS 301, UPS 500, UPS 600, UPS 750 and UPS 900 Uninterruptible Power Supplies"

Update to the latest firmware revision any time the UPS is serviced or repaired.

Note: The firmware update is mandatory. Failure to update the firmware can result in loss of critical load as well as possible warranty rejection in the case of failure.