User manual

Alarm Message What It Means What to Do
20
TSM 1 temp. shutdown Inverter module 1 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 mode 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 1 temp. warning The temperature on the heatsink for inverter
module 1 has exceeded the warning setpoint.
The unit’s status does not change. However,
if the temperature continues to rise, the unit
will sound a “TSM 1 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.
TSM 2 temp. shutdown Inverter module 2 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 2 temp. warning The temperature on the heatsink for inverter
module 2 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 2 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.