DKC SMALLR1, User Manual

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7.2 Troubleshooting
In fault mode, the UPS screen displays an error code:
Figure 11
– The UPS screen displays the code of an error
Problem Possible Cause Solution
Fault icon display, audible buzzer
alarm continually, the fault code is
00-14
Bus bar voltage fault
Test the bus bar voltage or contact the
supplier.
Fault icon display, audible buzzer
alarm continually, the fault code
is15-24
Soft start fault
Check the soft start circuit, especially the
soft start resistance or contact the
supplier directly.
Fault icon display, audible buzzer
alarm continually, the fault code is
25-39
Inverter voltage fault Contact the supplier.
Fault icon display, audible buzzer
alarm continually, the fault code is
40-44
Over temperature inside
Be sure that the UPS are not overloaded,
and the fan vent is not obstructed, as well
as the indoor temperature is not high.
Leave alone the UPS 10 minutes for
cooling, and restart it. If the problem
persists, contact the supplier.
Fault icon display, audible buzzer
alarm continually, the fault code is
45-49
Output short-circuit
Turn off the UPS and disconnect all the
loads. Be sure there is no any fault or
internal short circuit of the loads.
And then restart the UPS. If the problem
persists, contact the supplier.
Fault icon display, audible buzzer
alarm continually, the fault code is
50-54
Overload
Check the load level and disconnect the
non-critical equipments, recount the total
capacity of your load and reduce the load
to the UPS.
Check whether the load equipments has
Fault code
Fault icon
mode, the
UPS
screen
displays
an error
code. In
error
mode, the
UPS
screen
displays
an error
code.