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ERROR NUMBERS
The KarL4 works internally with error numbers. In the event of an error, some of these also
appear within the display messages generated by the terminal. The following error numbers are
possible within the display messages:
Error nr.
Meaning
0x1100
Host message error
0x1101
CRC in host message wrong
0x1102
Host message too short
0x1103
Type of host message wrong
0x1104
Host message answer unequal successful
0x1105
Bitmap in Host message missing
0x1200
Communication error
0x1201
No connection
0x1202
Error while closing connection
0x1203
Broadcasting error
0x1204
Receiving error
0x1205
Timeout
0x1206
Configuration faulty
0x3000
EMV-error
0x3001
TAG unkown
In all cases, it is usually a fault with the mobile network provider or the payment service provider.
Either try to execute the function again at a later time or contact the support.