Troubleshooting - ABB CONCEPTPOWER CLASSIC DPA-50 User Manual

8.1

TROUBLESHOOTING

WARNING!
8.1.1 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.
3. In case of doubts please contact the nearest Service centre.
4. Fault identification and rectification information is given on the following pages.
8.1.2 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 LCD. The List of Alarms and Messages are shown in the Annex.
8.1.3 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 authorised service centre for assistance.
THE OPERATIONS DESCRIBED IN THIS CHAPTER MUST BE
PERFORMED BY A SERVICE ENGINEER FROM THE MANUFACTURER
OR FROM A AGENT AUTHORIZED BY THE MANUFACTURER.
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.
04-3008_S8_ABB_OPMCPDPA-S2_GB_121202
Printed in Switzerland – Modifications reserved
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 authorised
service centre for assistance.
Call the authorised 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.
Section-8
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