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MK2430_D00129_02_M_XXEN/09.2019
6. Troubleshooting
6.1 MK2430 error messages
The following errors are recognised by the MK2430 and indicated on the display. The
buzzer emits a beep code every 10 seconds corresponding to the error number.
MK2430..-11 only: If the function "Device error" has been set in the „Settings menu 10:
Relay“, the alarm relay will also switch.
* Please write down the cause of error, the error number and if applicable the error
code. This information facilitates the diagnosis and repair of the device.
X Error code
No. Display Description Actions
1 DISPLAY ERROR Display defective Replace the MK2430*
2 I2C-BUS ERROR(X)
Fault I
2
C bus
Switch off the device for 10
minutes, then switch it on
again; if unsuccessful: Replace
the MK2430*
3 RTC ERROR Clock chip defective Replace the MK2430*
4 FLASH ERROR Assignment chip defective Replace memory chip D15
(socketed) or replace MK2430*
5 Address ERROR (XXX) Address of the MK2430 on the
internal BMS bus is already in
use (XXX=current address)
Change the MK2430 address in
the menu
6 Overflow ERROR (03) More than 80 alarm messages
are present at the same time
Reduce number of messages
Overflow ERROR (05) There are more than 200
device failure messages
Reduce number of messages
Overflow ERROR (07) There are more than 99 text
messages
Reduce number of messages
Overflow ERROR (08)
Automatic correction of the his-
tory memory is carried out
because of voltage interruption.
None
Overflow ERROR (11) Stack Error Write down the error code and
contact the Bender service.
7 Checksum ERROR Program memory defective Replace the MK2430*
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