MTU 12 V 4000 L62FB Operating Instructions Manual page 101

183 – AL CAN No PU Data
Red alarm.
Associated parameter 2.0500.683
Cause
The selected CAN mode initializes
communication by means of the
PU data module. However, the
necessary PU data module is not
present or is invalid.
184 – AL CAN PU Data Flash Error
Red alarm.
Associated parameter 2.0500.684
Cause
A programming error occurred
when attempting to copy a
received PU data module into the
Flash module.
186 – AL CAN1 Bus Off
Yellow alarm.
Associated parameter 2.0500.686
Cause
CAN controller 1 is in "Bus Off"
status. Automatic switching to
CAN bus 2. Bus users (ECU, SAM
or EMU) faulty.
187 – AL CAN1 Error Passive
Yellow alarm.
Associated parameter 2.0500.687
Cause
CAN controller 1 has indicated a
warning. Bus users (ECU, SAM or
EMU) are faulty.
188 – AL CAN2 Bus Off
Yellow alarm.
Associated parameter 2.0500.688
Cause
CAN controller 2 is in "Bus Off"
status. Automatic switching to
CAN bus 1. Bus users (ECU, SAM
or EMU) faulty.
Corrective action
u Contact Service. (Configuration fault)
Corrective action
u Contact Service. (Configuration fault)
Corrective action
u Check operation of nodes and cabling.
Corrective action
u Check operation of nodes and cabling.
Corrective action
u Check operation of user and cabling.
MS150098/02E 2016-11 | Troubleshooting | 101