ABB DPA Upscale M 10, User Manual

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Section-8
04-3006_S8_OPM_ABB_DPA_UPSCALE_RI_10-80kW_EN_150316.doc
Page 2/2 ABB
Modifications reserved
8.1 TROUBLESHOOTING
WARNING!
THE OPERATIONS DESCRIBED IN THIS CHAPTER MUST BE
PERFORMED BY A SERVICE ENGINEER FROM THE MANUFACTURER
OR FROM A AGENT CERTIFIED BY THE MANUFACTURER.
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 below.
8.1.3 Fault Identification and Rectification
The major alarm conditions that will be encountered are:
Alarm Condition Meaning Suggested Solution
MAINS RECT. FAULT
Mains power supply is outside prescribed
tolerance.
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.
MAINS BYP FAULT
Mains power supply is outside prescribed
tolerance.
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.
OUTPUT SHORT
There is a short circuit at the output of
UPS (on load side).
Check all output connections and repair as required.
OVERLOAD
Load exceeds the UPS rated power.
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.
TEMPERATURE HIGH
UPS temperature has exceeded the
allowed value.
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.
INV. PHASE FAULT
Inverter is faulty. Call the certified service centre for assistance.
SYNCHRON. FAULT
The inverter and mains are not
synchronised.
The frequency of the input voltage to the UPS is outside
operational limits and the UPS static bypass has been
temporarily disabled.
BATTERY IN
DISCHARGE
Battery is near end of autonomy.
Shutdown load connected to UPS before the UPS
switches itself off to protect its batteries.
MANUAL BYP IS
CLOSED
Maintenance Bypass closed. Load
supplied by mains. This alarm is only displayed if the UPS is on
Maintenance Bypass.
In case of alarms not included in the list above, please contact the nearest certified service centre for assistance.