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Alpha Technologies Micro, Micro XL, Micro XL3 UPS User Manual

Page 44

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017-237-B0 Rev A

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6.9.3 Fault and Alarm Displays

Fault and alarm displays any malfunctions the Alpha Micro has encountered. Also see "Troubleshooting".

Table I — 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 is overloaded. Remove excess loads.

Backfeed A relay inside the Alpha Micro 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 is operating above temperature range.

Table J — Alarms

Overload The Alpha Micro 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’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 is performing self test.

Fan_Fail The Alpha Micro internal fan has failed.

Wrong_Softwre The Alpha UPS Monitor is invalid (either version or part number).

AC_Brkr_Open The AC breaker is opened.