User`s guide

–58–
Product Information
Troubleshooting
continued
Troubleshooting
suggestions,
continued
Continued on next page
Problem Possible Cause Solution
To
UPS
Status
LED
is flashing green
and red.
UPS
is not capable of
advanced
communication.
Only Smart-
UPS
,Matrix-
UPS
and
the Symmetra PowerArray can
communicatewithMasterSwitch
plus.
There is a problem
with the
UPS
.
Contact Technical Support at the
number listed on the back cover of
this manual.
Cannot access the
MasterSwitch plus
Control Console.
Serial Interface is
using incompatible
terminal settings.
Change serial interface settings to
match the MasterSwitch plus baud
rate (
2400)
,with8databits,no
parity, 1 stop bit, and no flow control.
One or more
outlets turn off
when the
UPS
is
On Battery, but do
not restart when
power returns.
Power On Time Delay
is set to Remain Off.
Change the Power On Time Delay
setting.
Battery Capacity
Threshold has not
been exceeded.
Reduce the Battery Capacity
Threshold setting or perform an on-
demand override.
A Measure-
UPS
alarm
for the outlet is active.
Clear the alarm.
The
UPS
is On
Battery and the
server does not
shut down the
OS
.
Low Battery Warning
Control is set to Never.
Change the Low Battery Warning
Control setting.
Will Device Confirm is
set to Yes and: a) the
server is not
confirming
OS
shutdown, or b) the
wrong cable is being
used.
a) Some versions of PowerChute
Plus do not support the Confirm
feature. See the documentation
supplied with PowerChute Plus.
b) Verify that you are using the
correct cable. Refer to “Choosing
additional cables: Table 1,” in the
Installation and Quick Start Manual.