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INDICATION DIAGNOSTIC SOLUTION
The UPS switches into
stored energy mode and
then back into normal
mode when a connected
device is turned on or the
UPS switches back and
forth between the two
modes.
-
A power strip could be connected to
the UPS. Do not use it.
See also if there is any damage to the
utility wall receptacle or if the cord plug
is faulty. Replace them if needed.
If the problem persists, contact the
LEGRAND Technical Support Service.
Strange noise or smell -
Shut down immediately the UPS.
Disconnect the mains and contact the
LEGRAND Technical Support Service.
Error code table
ERROR CODE MEANING
Er05 Battery weak or faulty
Er06 Output short-circuit
Er07 EPO mode
Er11 UPS over-temperature
Er12 Inverter overload
Er14 Fans out of order
Er28 Bypass overload
Er39 Battery problem during the start-up process of the UPS
5 Troubleshooting
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