UPS: MKD 700
– 3000 VA RT (XL)
Error Messages
Alarm/Status (CODES):
Grund:
Maßnahme/Abhilfe:
immediately depending on
the overload.
soon as the consumer load is
in the normal range.
Overload, overload on
the UPS output,
“INVERTER,”
Alarm code: 42
Overload on the UPS
INVERTER; the UPS
switches to by-pass or error
mode.
Remove a few loads and pay
attention to the load display
while doing so. If the UPS was
in error mode, it must be
RESET (control center).
Overload, overload on
the UPS output, “BY-
PASS,
”
Alarm code: 43
Overload on the UPS BY-
PASS; the UPS switches
immediately to the error
mode.
Remove a few loads and pay
attention to the load display
while doing so. If the UPS was
in error mode, it must be
RESET (control center).
Inverter short, short
circuit on the UPS
output,
Alarm code: 31
Short circuit on the UPS
output detected; the UPS
switches immediately to the
error mode.
Remove all loads and check
them. If the UPS was in error
mode, it must be RESET
(control center). Switch the
UPS on again and check the
UPS first without loads.
Fan fail, fan error,
Alarm code: 84
The fan(s) are not working
properly.
Check the fan for foreign
objects. Otherwise report this
to customer service.
Inverter temperature,
Inverter temperature is
too high,
Alarm code: 81, 86
The heat sink temperature
is too high; the UPS
switches to the by-pass or
error mode.
Switch the UPS off in a
controlled manner or activate
the static / external by-pass.
Report this to the customer
service. Provide good
ventilation.
Ambient temperature,
ambient temperature is
too high,
Alarm code: 82
The ambient temperature is
higher than the permissible
operation temperature.
Provide good ventilation for
the area and adhere to the
specifications.
Bus fault, intermediate
circuit overvoltage (DC),
Alarm code: 21
The UPS detects an
intermediate circuit with
voltage that is too high and
immediately switches to the
by-pass mode.
Switch the UPS off in a
controlled manner or activate
the manual / external by-pass.
Report this to the customer
service.
Bus fault, intermediate
circuit undervoltage
(DC),
Alarm code: 22
The UPS detects an
intermediate circuit with
voltage that is too low and
immediately switches to the
by-pass mode.
Switch the UPS off in a
controlled manner or activate
the manual / external by-pass.
Report this to the customer
service.
Bus fault, intermediate
circuit asymmetry (DC),
Alarm code: 23
The UPS detects
asymmetry in the
intermediate circuit and
immediately switches to the
by-pass mode.
Switch the UPS off in a
controlled manner or activate
the manual / external by-pass.
Report this to the customer
service.