4. An alarm sounds continuously during an over-temperature condition.

Figure 3.4-1 Line Mode

Figure 3.4-2 Battery Mode

5. Display and alarm for overload.

The alarm will sound once every 0.5 seconds during an overload condition. While in inverter mode, the alarm can be silenced by pressing the “OFF” button. In the Battery Test mode, the UPS will go to BYPASS immediately and the alarm will sound continuously.

Figure 3.5-1 Bypass Mode

Figure 3.5-2 Inverter Mode

Figure 3.5-3 Battery Mode Overload

Figure 3.5-4 Battery Test

6. Alarm for Weak Battery or Bad Battery.

(A)Weak Battery - when the battery voltage goes below 215V, the Battery LED will flash.

(B)Bad Battery - If the battery voltage falls below 140V, an alarm will sound continuously. The Battery LED will flash and the Fault LED will illuminate and the UPS will stay in the INVERTER mode. If AC line power fails during this condition, the UPS will shut down.

Figure 3.6-1 Weak Battery

Figure 3.6-2 Bad Battery

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Minuteman UPS MCP 6001, MCP 10001 user manual Bypass Mode