5.4. UPS Default Data and Special
Function Execution
• After the UPS completes start up, press
key pad to change the LCD display
screen to Fig. Q1.
Fig. Q1: It shows buzzer “On”
Fig. Q: It shows buzzer “Off”
• Press key pad to scroll down the
screen and check the UPS settings. The
LCD display will subsequently show: Fig.
Q1 (buzzer) Fig. R1 (Self-test) Fig.
S1 (Bypass Voltage Windows) Fig. T
(Output Frequency Synchronization
Window) Fig. U (Inverter Output
Voltage) Fig. V1 (UPS Operation
Mode) Fig. W (Output Voltage Micro
Tune Value) Fig. X (UPS Id) Fig. Y
(No. of UPS in Parallel).
Fig. R1: It shows self-test is NOT “on”
Fig. R2: It shows self-test is “On”
Fig. S1: It shows Bypass Voltage is adjusted
to narrow tolerance
Fig. S2: It shows bypass voltage is adjusted
to wider tolerance
Fig. T: It shows Frequency Window is +/-3Hz
Fig. U: It shows inverter output voltage
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