29
6
Troubleshooting
6.1
If a Warning Beep Sounds
1.
Confirm the state of LED on the front of the UPS, and the type of a warning beep.
2.
Refer to the
“
Operation mode list
”
, and deal with it according to directions.
If the UPS is not connected to an input power supply, connect. For details, refer to
Chapter 3.2
“
Connecting the Cable
”
.
How to stop a warning beep:
A warning beep can be stopped by pressing the RESET switch on the front of the
UPS for approximately 1 second. (Note)
However, if a warning beep does not stop even if pressing the RESET switch,
stop a warning beep by the following procedures. For details, refer to Chapter 4.2
“
Turning off the UPS
”
.
(1) Turn off the connection device.
(2) Press the RUN/STOP switch on the front of the UPS for approximately 1
second.
(3) An output stops.
The RUN LED (green) on the front of the UPS blinks slowly (in the cycles
of approximately 1.6 sec.).
(4) Turn off the input breaker on the back of the UPS.
Note) In the output overload state, even if pressing the RESET switch, a warning
beep does not stop. Reduce the capacity of the connection device to less
than the rated value of the UPS.
Summary of Contents for M-UPS050AD1B
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