Alpha Technologies Micro Secure UPS User Manual
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017-220-J0 Rev B
6.4.3 Fault and Alarm Displays
Fault and alarm displays any malfunctions the Alpha Micro Secure has encountered. Also see "Troubleshooting".
Table F — Faults
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 Micro Secure is overloaded. Remove excess loads.
Backfeed A relay inside the Alpha Micro Secure 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 Micro Secure is operating above temperature range.
Table G — Alarms
Overload The Alpha Micro Secure is overloaded. Switch off excess loads.
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.
Line_Freq The line frequency is outside of the Alpha Micro Secure’s input specifications.
No_Temp_Probe The battery temperature sensor has become disconnected or has failed.
Weak_Battery The battery has failed the background scan in Line mode.
Batt_Low The battery voltage is low.
Batt_Brkr_Open The battery breaker is opened.
Self_test The Alpha Micro Secure is performing self test.
Fan_Fail The Alpha Micro Secure internal fan has failed.
Wrong_Softwre The Alpha UPS Monitor is invalid (either version or part number).