System Description; Display Panel - Mustek PowerMust 1000 On Line(1K) User Manual

3. System Description

3.1 Display Panel

Switch
ON - Switch
OFF-Switch
Display
LINE LED
BATTERY
LED
BYPASS
LED
INVERTER
LED
FAULT
LED
Figure 1: Display panel
1. Turn on UPS system:
By pressing the ON-Switch "I", the UPS system is turned on.
2. Deactivate acoustic alarm:
By pressing this switch, an acoustic alarm can be deactivated.
When mains power is normal, the UPS system switches to Standby
mode by pressing OFF-Switch " ". It is then switched to Bypass and the
inverter is off. At this moment, the output sockets are supplied with
voltage via the bypass if the mains power is available.
1. The green LINE LED lights up if mains voltage is applied to the UPS
input.
2. LINE LED blinks when the phase and neutral conductor have been
reversed at the input of the UPS system.
3. If LINE LED and BATTERY-LED light up, the mains power supply is
out of tolerance.
The orange-coloured BATTERY-LED lights up when the mains power
has failed and the inverter is being powered by the batteries.
The orange-coloured BYPASS LED lights up when the UPS system is
supplying voltage provided by the mains power via the bypass.
The green-coloured INVERTER LED lights up if the UPS system is
supplying voltage provided by the mains power via the inverter.
The red FAULT LED lights up and an acoustic warning signal is issued
every second when the UPS system is in fault condition. Press the
Standby switch in order to turn off the warning tone.
Function
Function
4