MTU MW15406/17E Operating Instructions Manual page 126

RL 211+A001-A020
Cause
LMU of LOP 1 (PIM No. 21.X
+A001-A020) not detected on
redundant CAN bus.
RL 211+A002-A030
Cause
GCU 1 (PIM No. 21.X+A002-
A030) not detected on
redundant CAN bus.
RL 211+A002-A040
Cause
GMU 1 (PIM No. 21.X+A002-
A040) not detected on
redundant CAN bus.
RL 211+A003-ECU
Cause
ECU 4 not detected on
redundant CAN bus.
RL 211+A004-EMU
Cause
EMU 1 not detected on
redundant bus
RL 211+A300-A500
Cause
RCS with PIM No. 21.X+A300-
A500 not detected on redundant
CAN bus.
126 | Troubleshooting | MW15406/17E 2014-05
Corrective action
1. Check LOP visually (→ Page 223).
2. Perform LOP test procedures (→ Page 225).
3. Contact Service.
• Have MPU 23 of PIM No. 21.X+A001-A020 checked and
replaced, if required.
Corrective action
1. Check LOP visually (→ Page 223).
2. Perform LOP test procedures (→ Page 225).
3. Contact Service.
• Have GCU/GMU checked and replaced if required.
Corrective action
1. Check LOP visually (→ Page 223).
2. Perform LOP test procedures (→ Page 225).
3. Contact Service.
• Have GCU/GMU checked and replaced if required.
Corrective action
1. Check LOP visually (→ Page 223).
2. Perform LOP test procedures (→ Page 225).
3. Check ECU plug-in connections (→ Page 218).
4. Contact Service.
• have ECU checked and replaced, if required.
Corrective action
1. Check LOP visually (→ Page 223).
2. Perform LOP test procedures (→ Page 225).
3. Contact Service.
• have EMU checked and replaced, if required.
Corrective action
1. Check LOP visually (→ Page 223).
2. Perform LOP test procedures (→ Page 225).
3. Contact Service.
• Have RCS checked and replaced, if required.