MTU 12V2000Gx6 series Operating Instructions Manual page 87

183 – AL CAN No PU-Data
Yellow alarm; warning
Cause
The selected CAN mode initializes
communication by means of the
PU data module. However, the
required PU data module is not
available or not valid.
184 – AL CAN PU-Data Flash Error
Yellow alarm; warning
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; warning
Cause
CAN controller 1 is in "Bus-Off"
status.
187 – AL CAN1 Error Passive
Yellow alarm; warning
Cause
CAN controller 1 has signaled a
warning.
188 – AL CAN2 Bus Off
Yellow alarm; warning
Cause
CAN controller 2 is in "Bus-Off"
status.
189 – AL CAN2 Error Passive
Yellow alarm; warning
Cause
CAN controller 2 has signaled a
warning.
Corrective action
1. Check devices connected to CAN.
2. Contact Service.
Corrective action
u Contact Service.
Corrective action
1. Check CAN bus for short circuit, rectify short circuit as necessary.
2. Check shielding, improve shielding as necessary.
3. Contact Service.
Corrective action
1. Check CAN bus for short circuit, rectify short circuit as necessary.
2. Check shielding, improve shielding as necessary.
3. Contact Service.
Corrective action
1. Check CAN bus for short circuit, rectify short circuit as necessary.
2. Check shielding, improve shielding as necessary.
3. Contact Service.
Corrective action
1. Check CAN bus for short circuit, rectify short circuit as necessary.
2. Check shielding, improve shielding as necessary.
3. Contact Service.
MS15054/03E 2018-07 | Troubleshooting | 87