5 Troubleshooting
5.1 Fault indication on SAM display
Explanation of the abbreviations used
The following abbreviations are used in the texts for the fault messages:
Abbreviation
Meaning
DL <number>
Default Lost: The device with designation <number> has lost its connec-
tion to the default CAN bus.
RL <number>
Redundant Lost: The device with designation <number> has lost its con-
nection to the redundant CAN bus.
SD <sensor designation>
Sensor defect: The sensor with the designation <sensor designation> is
not sending an analyzable signal.
MD
Missing Data: Data is missing from a measuring point.
AL
Alarm: Alarm message
SS
Safety System: The safety system has reacted in some way.
TD
Transmitter Deviation: Two sensors that record the measured values for
the same medium are sending different measured values.
HI
High: The first limit value has been exceeded.
HIHI
High High: The second limit value has been exceeded.
LO
Low: The first limit value has been deceeded.
LOLO
Low Low: The second limit value has been deceeded.
MG
Message: General message
SE
System Error: Warning due to node failure on the default field bus.
PB
Push Button: Status indication due to activation of certain control keys.
AKR
Anti Knock Control GET
Table 37: Explanation of the abbreviations used
Fault indication on SAM display
The fault messages are generated by the engine governor ADEC (ECU) and by the SAM unit and trans-
mitted to the SAM display (4).
52 | Troubleshooting | MS150059/02E 2013-10
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