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26 | 3.0 Control & indicators
3.0 Control & indicators
The operation and display panel, shown in Figure 23, is on the front panel of the S4K2U-5C.
Fault indicator
AC Input indicator
On/Alarm Silence/Manual
Battery Test button
Standby/Manual Bypass button
Figure 23: Operation and display panel
3.1 Control Buttons
The operation and display panel has two control buttons: On/Alarm Silence/manual Battery Test and Standby/manual
Bypass.
3.1.1 On/Alarm Silence/Manual Battery Test Button
The On/Alarm Silence/manual Battery Test button controls output power to connected load(s) and has three functions
(see Table 4).
Table 4: Functions of the On/Alarm Silence/Manual Battery Test Button
Function
On
Press the button once for 3 seconds
Alarm Silence
Press the button for at least half a second
1
Press the button for at least half a second while operating in mains (VAC)
Manual Battery Test
mode with no alarms present
1
The low battery and bypass reminder alarms cannot be silenced
After the alarm is silenced, the UPS will reactivate the alarm system to alert of additional problems
2
Battery indicator
Operation
Battery Level indicators
Load Level indicators
Bypass indicator
Inverter indicator
Description
To start the UPS
To silence the alarms
2
To initiate a manual battery test
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