UPS: MKD 700 – 3000 VA RT (XL) Error Messages
8. Messages, error codes and corrective
actions
The following table contains the possible alarm, warning or status messages
and their code numbers (ALARM CODES).
The messages can be called up either on the standard display or on the “event
log” submenu (see: 6.2 Menu ).
8.1 Messages for specific operating modes:
Procedure / Corrective
actions:
Low battery bank
voltage,
Alarm code: 12
The UPS is in autonomous
mode, and the battery bank
voltage is low.
The battery bank has been
almost completely drained in
the autonomous mode. Shut
down of the UPS output
threatens.
EPO (REPO) active,
Alarm code: 71
Emergency shutdown
(release of the loads) has
been activated.
Reset the emergency power
off switch as well as the
message (control center); start
up the UPS again.
8.2 Error messages on the UPS:
Site fail,
ground error detected,
Alarm code: 04
Phase and neutral
conductors were
interchanged, possibly
shifted at the wall socket.
Check the installation up to
the loads. The detection can
be deactivated in the settings.
Battery open, battery
bank connection
opened,
Alarm code: 11
The battery bank voltage is
very low, the battery bank
fuse is triggered, or the
connection to the UPS
released.
Check the battery bank, its
current battery bank voltage
and the connection to the
UPS.
Service battery, check
the battery bank,
Alarm code: 13
A battery bank asymmetry
has occurred. The charging
unit is switched on as a
result.
Report this to the customer
service.
Overload, overload on
the UPS output,
Alarm code: 41
Overload on the UPS
output. Possibly, the UPS
switches to the by-pass
mode or shuts down
Remove a few loads and pay
attention to the load display
while doing so. The message
disappears automatically as
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