Device Display Meaning for the LMV5x System Corrective Action
Any #
When comparing the versions of the individual units,
the AZL5 has detected old versions
Before replacing any units, start the system and wait
about 1 minute (until, after entering the parameter level,
the display “Parameters will be updated“ disappears).
Then, reset the unit. Replace the unit only if the fault
message does not disappear. Replace the relevant
units by new versions
01..2F
The diagnostic value is made up of the following faults or their
combinations (the individual diagnostic codes are added up in
hexadecimal format)
01 Software of the basic unit too old
02 Software of the load controller too old
04 AZL5 Software of the AZL5 too old
08 Actuator Software of 1 or several actuators too old
10 LMV5 Software of VSD module too old
20 PLL5 Software of O2 module too old
Any #
Basic unit has detected a wrong state of the VSD module.
Corresponds to the "8x"-faults with the other CAN users
01 CRC error
02 Key error main loop counter
03 No feedback for max. number
Any # Basic unit has detected a wrong stage of the O2 module
01 CRC error
02 Key error main loop counter
03 No feedback for max. number
E1 Any # LMV5
Fault Feedback
VSD Module
Basic unit has detected a ROM-CRC fault in the VSD module
when checking its feedback signal
E3 Any # PLL5
Fault Feedback
O2 Module
Basic unit has detected a ROM-CRC fault
in the O2 module when checking its feedback signal
PLL5
Fault Feedback
VSD Module
LMV5
Any
1) If fault occurs sporadically: Reduce electrical noise.
2) If fault occurs constantly: Replace LMV5
3) Check CANBus cabling. Ensure that all cable shields
(screens) which are located in the cable sheath are
terminated correctly at each actuator, O2 module, and
at the LMV5x...
4) Check each CANBus connector to ensure proper
termination (no conductors exposed on the back of the
plug)
Fault Feedback
O2 Module
D1
D3
Version Conflict
LMV5
C5
Replace the unit(s) called out in the diagnostic code. Be
sure that the new unit has up-to-date software.
Fault with Base Unit (LMV5) or Connected Components
1) If fault occurs sporadically: Reduce electrical noise.
2) If fault occurs constantly: Replace LMV5
Section 7 Page 57 SCC Inc.
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