Verifying the REPO port connection

30

Powering down the UPS

30

Power management

31

Power management software

31

Maintenance

32

Removing the UPS front bezel

32

Removing the ERM front bezel

32

Replacing the UPS electronics module

33

Replacing the UPS option card

34

Replacing the batteries

35

Important battery safety information

35

Battery care and storage guidelines

35

UPS battery replacement procedure

36

Replacing the UPS

37

Replacing the ERM

37

Updating the UPS firmware

38

Troubleshooting

39

LED and audible alarm troubleshooting

39

Battery condition

40

Bypass is out of range

40

General alarm condition

40

Input voltage is out of range

41

Insufficient warning of low batteries

41

Internal UPS fault condition

41

Low battery shutdowns

41

Overload condition

42

REPO condition

42

Site wiring condition

42

UPS does not provide the expected backup time

42

UPS does not start

42

UPS frequently switches between utility and battery power

43

UPS is in Auto-Bypass mode

43

UPS is on battery

43

Utility power condition

43

Specifications

44

UPS physical specifications

44

ERM physical specifications

44

UPS input specifications

44

UPS output specifications

44

Power protection specifications

45

Voltage specifications

45

Output tolerance specifications

46

Output feature specifications

46

Battery specifications

46

Battery runtime for NA/JPN model

46

Battery runtime for INTL model

46

Environmental specifications

47

REPO port specifications

47

Spares

48

Ordering spares

48

Contents

4

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HP R5500 manual Verifying the Repo port connection Powering down the UPS, Power management software, Ordering spares