Siemens 667/HB/47750/000 General Handbook page 69

APPENDIX B – FXM UPS Faults and Alarms
Table B-1 below lists all the faults and alarms associated with the Alpha FXM UPS unit.
The relay UPS unit's 'Alarm' contact C5, by default, will trigger when any of the faults or
alarms listed in Table B-1 occur.
Any one of the Faults listed will cause the FXM UPS unit to cease operation.
Alarms do not affect UPS operation but give warnings that a fault may be imminent.
Name
Faults:
Short_Circuit
Vout_Hi
Batt_Hi
Batt_Lo
Vout_Lo
Overload
Backfeed
Bad_Battery
Temp_Hi
Alarms:
Overload
Temp_Hi
Temp_Lo
User_Input
Line_Freq
No_Temp_Probe
Weak_Battery
Batt_Low
Batt_Brkr_Open
Self_Test
Fan_Fail
Wrong_Softwre
AC_Brkr_Open
9
Refer to 667/HB/47760/000
10
See sections 8.1 and 9.12 for details on the Battery Temperature Sensor
11
Default value of 47V relating to 40% SOC. Triggers C1. See section 12.2.1
12
See section 10.3
13
See section 12.3.3
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Last Editor Ore Oluwatudimu
Document UPS Solution General Handbook
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Copyright ã Siemens plc 2017 All Rights Reserved
The load (controller) has a short
The output voltage is above unit specifications
Battery packs cannot be charged
Battery over-discharge threshold reached
The output voltage is below specification
The UPS unit is overloaded. Switch off excess loads
A relay inside the UPS unit has failed causing a backfeed risk
Battery pack voltage is extremely low
The UPS Unit is operating above its internal temperature range
The UPS unit is overloaded. Switch off excess loads
The ambient battery temperature is too high
The ambient battery temperature is too low
The user input contact "User Input: S2" is shorted
The line frequency is outside the UPS unit's input specification
The Battery Temperature Sensor is disconnected or has failed
Battery pack has failed the background scan in Line mode
Battery pack voltage is low
The UPS unit's Battery Breaker is open
The UPS Unit is performing a self test
The UPS unit's internal fan has failed
The Alpha UPS Monitor software package is invalid
The UPS unit's Input Circuit Breaker is open
Table B-1: FXM UPS Unit Fault and Alarms
Page 69 of 76
TS008468
Infrastructure and Mobility, Traffic Solutions
Description
9
11
12
Status ISSUED
Date 31/01/2017
Doc. No. 667/HB/47750/000
Sopers Lane, Poole, Dorset
BH17 7ER
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