Alpha Technologies FXM 650, 1100, 2000 UPS - Manual (Page 66)

017-230-B4 Rev B 64
6.5.5 Fault and Alarm Displays
Faults and alarms display on the main menu screen. See Chapter "8. Troubleshooting" on page 78.
Table G — Faults (see Figure 54)
Short_Circuit The load has a short.
Vout_Hi The output voltage is above specifications.
Batt_Hi The batteries cannot be charged.
Batt_Lo The batteries are almost discharged.
Vout_Lo The output voltage is below specifications.
Overload The Alpha FXM is overloaded. Remove excess loads.
Backfeed A relay inside the Alpha FXM has failed and it cannot be replaced in the field. Contact
Alpha Technologies customer service department.
Bad_Battery The battery voltage has dropped below a specified level. Inverter shuts down.
Temp_Hi The Alpha FXM is operating above temperature range.
Table H — Alarms (see Figure 54)
AC_Brkr_Open The AC breaker is opened.
Batt_Brkr_Open The battery breaker is opened.
Batt_Low The battery voltage is low.
DC_Overload When a battery string is charging, the status of the battery voltage is checked every three
minutes. An alarm is generated if the battery voltage continues to drop while charging. .
Fan_Fail The Alpha FXM internal fan has failed.
Keep_Alive The Alpha FXM keep alive feature failed to restore communication.
Line_Freq The line frequency is outside of the Alpha FXM input specifications.
No_Temp_Probe The battery temperature sensor has become disconnected or has failed.
Overload The Alpha FXM is overloaded. Switch off excess loads.
Self_test The Alpha FXM is performing a self test.
Temp_Hi The ambient battery temperature is too high.
Temp_Lo The ambient battery temperature is too low.
User_Input The user input contact "User Input: S2" is shorted.
Weak_Battery The battery has failed the background scan in Line mode.