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Status codes
If a fault occurs during operation, specific status codes may be displayed. Faults can result
from the following:
- Battery fault
- The voltage of the connected battery is unsuitable
- The device has overheated
- There is a software or hardware fault
Battery fault:
If the battery signals a fault, the battery charging system displays this fault as a battery fault
including the corresponding fault number for the battery. The respective fault is explained
in the battery's Operating Instructions.
If an error message appears on the display and if you cannot resolve the error yourself:
Note the displayed status code: e.g. "Statecode (31)"
Note the configuration of the device
Contact your authorised service centre
Freely-defined text, which could for example include the contact details of the dealer,
can be displayed if the device is in an error state.
Status codes caused by external factors
Number Cause
(11) Check mains voltage
(12) Check mains (phase failure)
(13) External temperature sensor faulty
(14) Electrolyte circulation faulty (pressure switch not switching)
(15) Control voltage not detected
(16) External start/stop is not closed
(17) Open circuit voltage detection triggered more than once during charging
(e.g. worn charging contacts)
Status codes in the event of a battery fault
Number Cause
(22) Battery undervoltage
(23) Battery overvoltage
(24) Battery too hot (with external temperature sensor only)
(25) Battery too cold (with external temperature sensor only)
(26) Cell fault detected
(27) Battery not supported
(28) Battery heavily discharged - safety charging is being carried out
(29) Battery is connected with reverse polarity
(100) - (400)General battery fault
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