Uninterruptible Power Supplies Online UPS 3K User Manual download pdf (Page 43)

UPS724-01-00 PowerWave 1000 (1-3kVA) User Manual - Dated 26 June 2013 6-1

Troubleshooting

6.1 Introduction

If a fault occurs, due to either a UPS internal malfunction or

severe overload situation, the UPS will shut down and must be

reset by the operator in order to bring it back into operation.

Depending on the cause of the fault, the UPS may either shut

down entirely (top illustration) or transfer the load to the internal

bypass line.

If a transfer to bypass has taken place, the bypass symbol will be

shown in the top left hand corner of the LCD display (lower

illustration).

6.2 Error codes

In general, under fault conditions the red FAULT led will illuminate and an audible warning will be given. Many

faults can be identified by briefly pressing the OFF button, which then displays a fault code on the LCD

message area.

Figure 6.2 Alarm interpretation aids

Key Point: If you press the OFF button for longer than five seconds the UPS will shut-down.

Error Codes Audible Alarm (beeps)

Er05

Weak or faulty battery Continuous beep UPS Faulty, Inverter shutdown.

All functions inhibited

Er06

Output short-circuited Single beep every 2 sec. UPS Faulty, load continued to be

supplied via inverter or bypass.

Er07

EPO Operated Single beep every sec. UPS On-Battery mode

Er11

UPS Over temperature Quick and short successive beeps Battery low

Er12

Inverter overload Two quick and short beeps Confirm / RS232 port receiving.

Er14

Fan failure One quick and short beep Service Mode OK

Er18

EEPROM Data error Two quick and short beeps,

repeating every two secs.

UPS Initial start-up with self test.

Er24

Low input voltage (<85-170V)

or disconnected battery

Er28

Bypass overload

Er31

EEPROM data does not

conform to the jumper setting

LINE UPS LOAD

Figure 6.1 UPS Fault screens

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 51 52

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Uninterruptible Power Supplies Online UPS 3K User Manual Page 43

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