Eaton DX 2000 LAN - Page 34

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(2) Trouble shooting according to fault indication
LCD FAULT CODE
Possible
cause
Action
SHOR
Output short
circuit
Remove all the loads. Turn off
the UPS. Check whether the
output of UPS and loads is
short circuit. Make sure the
short circuit is removed, and
the UPS has no internal faults
before turning on again.
INVL
Internal fault
(inverter
Voltage low)
Contact the distributor or
service center.
INVH
Internal fault
(inverter
Voltage high)
Contact the distributor or
service center.
ISFT
Internal fault
(inverter fail)
Contact the distributor or
service center.
OVLd
Overload
Check the loads and remove
some non-critical loads.
Check whether some loads are
failed.
OVTP
Internal over
temperature
Check whether the UPS is
overloaded, the air vents are
blocked, and the ambient
temperature is over 40℃.
If the overload or block is
removed, please make the
UPS cool down for 10 minutes
before turning on again.
It is not recommended the UPS
is operated at the ambient
temperature of over 40℃.
bUSH
Internal fault
(bus voltage
high)
Contact the distributor or
service center.
bSFT
internal fault
Contact the distributor or
service center.