Troubleshooting; Alarms; Menu, Commands, Event Log And Measurements; Fault Identification And Rectification - ABB PowerWave 33 Series 3 User Manual

8 Troubleshooting

8.1 Alarms

In the event of an alarm condition the red LED-Indicator "Alarm" and the audible alarm will turn on.
In this case proceed as follows:
1. Silence the audible alarm by pressing the button "Reset".
2. Identify the cause of the alarm condition by means of the EVENT LOG in the MAIN menu.
(see Section-4, Chapter 4.1.3.3 or Appendix D.4.5.1 for graphical display)
3. In case of doubts please contact the nearest Service centre.
4. Fault identification and rectification information is given below.

8.2 Menu, commands, event log and measurements

In section 4 there is a detailed description of the Menu, Commands, Event Log and Measurements
that can be operated and displayed on the control panel. The List of Alarms and Messages are shown
below.

8.3 Fault identification and rectification

The major alarm conditions that will be encountered are:
ALARM CONDITION
MAINS RECT. FAULT
MAINS BYP FAULT
OUTPUT SHORT
OVERLOAD
TEMPERATURE HIGH
INV. PHASE FAULT
SYNCHRON. FAULT
BATTERY IN DISCHARGE
MANUAL BYP IS CLOSED
In case of alarms not included in the list above, please contact the nearest certified service centre for
assistance.
Modifications reserved
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MEANING
Mains power supply is
outside prescribed tolerance.
Mains power supply is
outside prescribed tolerance.
There is a short circuit at the
output of UPS (on load side).
Load exceeds the UPS rated
power.
UPS temperature has
exceeded the allowed value.
Inverter is faulty.
The inverter and mains are
not synchronised.
Battery is near end of
autonomy.
Maintenance Bypass
closed. Load supplied by
mains.
SUGGESTED SOLUTION
The input power to UPS is too low or missing.
If site power appears to be OK, check the input
circuit breakers etc. supplying the UPS.
The input power to UPS is too low or missing.
If site power appears to be OK, check the input
circuit breakers etc. supplying the UPS.
Check all output connections and repair as
required.
Identify which piece of equipment is causing the
overload and remove it from the UPS.
Do not connect laser printers, photocopiers,
electric heaters, kettles etc. to the UPS.
Check that the ambient temperature of the UPS
is less than 40° C.
If the ambient temperature is normal call the
certified service centre for assistance.
Call the certified service centre for assistance.
The frequency of the input voltage to the UPS is
outside operational limits and the UPS static
bypass has been temporarily disabled.
Shutdown load connected to UPS before the
UPS switches itself off to protect its batteries.
This alarm is only displayed if the UPS is on
Maintenance Bypass.