User manual

Alarm Message What It Means What to Do
21
207 Displaying the Alarm Log
TSM 3 temp. shutdown Inverter module 3 has shut down because the
temperature on the heatsink is higher than the
shutdown level. If bypass is within tolerance,
the unit transfers to static bypass operation. If
not, the unit transfers to standby and
does not
supply output voltage.
Find the vents for the UPS fans and check
to see if the fans are operating.
Do not
try to open the unit, and do not insert
anything into a fan vent.
If the fans are
not operating, call BEST’s Worldwide
Service.
If the fans are operating, make sure the
room temperature is below 80 F
(27 C). If not, cool the room. If the room
was below this temperature, call BEST’s
Worldwide Service.
TSM 3 temp. warning The temperature on the heatsink for inverter
module 3 is higher than the warning setpoint.
The unit’s status does not change. However,
if the temperature continues to rise, the unit
will sound a “TSM 3 temp. shutdown” alarm.
Find the vents for the UPS fans and check
to see if the fans are operating.
Do not
try to open the unit, and do not insert
anything into a fan vent.
If the fans are
not operating, call BEST’s Worldwide
Service.
If the fans are operating, make sure the
room temperature is below 80 F
(27 C). If not, cool the room. If the room
was below this temperature, call BEST’s
Worldwide Service.
The
UNITY
/I lists all
active
alarms in an alarm log, with the most recent alarm first. When the alarm is
cleared, the unit removes it from the alarm log; however, the alarm will be displayed in the events log. (See
Section 208.)
To display the alarm log, follow these steps:
1. Press to display the alarm log.
2. Press or to move through the alarm log.
3. If you press after you have displayed the last alarm, the display shows “No further alarm.”
4. To exit the alarm log press .