184 – AL CAN PU-Data Flash Error
PV-Number:
Cause Corrective action
The project configuration data (PU
data) from the Backup Data
Module server (BDM), e.g. SAM or
LOP, saved during initial startup
cannot be properly read out.
1. Observe any other messages.
2. Disconnect power supply, then reconnect.
3. Repeat procedure
4. Contact Service.
186 – AL CAN1 Bus Off
PV-Number:
Cause Corrective action
CAN bus 1 to MTU automation
system (e.g. ECU/MAU/SAM)
disrupted or defective.
1. Observe any other messages.
2. Check engine wiring (→ Page 160).
3. Check plug connections for engine governor (→ Page 163).
4. Contact Service.
187 – AL CAN1 Error Passive
PV-Number:
Cause Corrective action
CAN bus 1 to MTU automation
system (e.g. ECU/MAU/SAM)
disrupted or defective.
1. Observe any other messages.
2. Check engine wiring (→ Page 160).
3. Check plug connections for engine governor (→ Page 163).
4. Contact Service.
188 – AL CAN2 Bus Off
PV-Number:
Cause Corrective action
CAN bus 2 to plant automation
system (e.g. Murphy display)
disrupted or defective.
1. Observe any other messages.
2. Check connection between plant automation system and MTU
automation system.
3. Contact Service.
189 – AL CAN2 Error Passive
PV-Number:
Cause Corrective action
CAN bus 2 to plant automation
system (e.g. Murphy display)
disrupted or defective.
1. Observe any other messages.
2. Check connection between plant automation system and MTU
automation system.
3. Contact Service.
M015650/06E 2018-05 | Troubleshooting | 75
TIM-ID: 0000082479 - 001
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