Troubleshooting
46
MK2430_D00129_02_M_XXEN/09.2019
6.2 Malfunctions
List of possible errors and proposals for the correction of the faults. This error list does
not claim to be exhaustive.
Possible error codes occurring during a test are listed in the chapter "Test function" on
page 51f.
Error Possible cause/Actions
MK2430 display blank. Check AC/DC 24 V power supply.
Display is lit
but the screen is empty.
Replace MK2430.
Control buttons not responding. Replace MK2430.
LEDs do not light Replace MK2430.
Character matrix visible on display,
but firmware does not run.
Processor does not start; Replace MK2430.
Time is reset to zero in case of short-
term voltage failure.
Replace MK2430.
Error during transfer of the assigned
addresses or basic settings via the
USB interface.
MK2430 address not properly set (menu); MK2430
address does not match setting of TMK-SET configu-
ration software; USB cable defective; wrong serial
interface (com port) set in TMK-SET.
Error on internal BMS bus. Device addresses not properly set on the internal
bus; interface cables A/B mixed up; network incor-
rectly terminated or not terminated at all; incorrect
parameter setting with TMK-SET.
Digital input function error. Digital inputs not correctly set with TMK-SET. Defec-
tive connection (does not match pre-assignment).
Incorrect setting "neutral/medical".
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