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Battery fault:
If the battery signals a fault, the charger 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
No. Cause
(11) Check grid voltage
(12) Check grid (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
No. 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
(30) Thermal runaway
(100) - (400) General battery fault
Status codes in the event of a CAN fault
No. Cause
(51) Battery not responding
1
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