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38 Tripp Lite by Eaton SmartOnline Series User Guide 614-21325—Rev 01
Table 8. Typical UPS Conditions (Continued)
Conditions Possible cause Action
Bypass mode
LED is on.
An overload or a fault has occurred, or a
command has been received and the UPS
is in Bypass
Equipment is powered but not protected
by the UPS. Check for one of the
following alarms: overtemperature,
overload or UPS LED is on. failure.
Power Overload
LED is on.
Power requirements exceed the UPS
capacity (greater than 100% of nominal;
see “User Settings” for specific output
overload ranges).
Remove some of the equipment from the
UPS. The UPS continues to operate, but
may switch to Bypass mode or shut down
if the load increases. The alarm resets
when the condition becomes inactive.
UPS Overtemperature
LED is on.
1 beep every 3 seconds
The UPS internal temperature is too high
or a fan has failed. At the warning level,
the UPS generates the alarm but remains
in the current operating state. If the
temperature rises another 10°C, the UPS
transfers to Bypass mode or shuts down
if Bypass is unusable.
If the UPS transferred to Bypass mode,
the UPS will return to normal operation
when the temperature drops 5°C below
the warning level. If the condition
persists, shut down the UPS.
Clear vents and remove any heat sources.
Allow the UPS to cool. Ensure the airflow
around the UPS is not restricted. Restart
the UPS. If the condition continues to
persist, contact your service
representative.
The UPS does not start
The input source is not connected
correctly.
Check the input connections.
The Remote Power Off (RPO) switch is
active or the RPO connector is missing.
If the UPS Status menu displays the
"Remote Power Off" notice, inactivate the
RPO input.
Table 9. UPS Fault Codes
Fault Code
Displayed Alarm
Potential Cause
007 FAN FAULT
Fan don’t work normally or Fan detection circuit is
abnormal
107 INPUT BAD WIRING
Refer to Site Wiring Fault
207 BP DEVICE FAULT
Bypass relay is stuck or driver circuit is abnormal
208 BP OVERLOAD
Bypass overload faultI > 125% (max counter
reached)
300 DC BUS+ TOO HIGH
Overload/improper load type/ input high pulse
/PSDR damaged /CNTL damaged
301 DC BUS- TOO HIGH
Overload/improper load type/ input high pulse
/PSDR damaged /CNTL damaged
302 DC BUS+ TOO LOW
Overload/improper load type/PSDR/CNTL damaged
303 DC BUS- TOO LOW
Overload/improper load type/PSDR/CNTL damaged
304 DC BUS UNBALANCE
Overload/improper load type/PSDR/CNTL damaged
Typical Alarms and Faults
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