
120 – HI ECU Power Supply Voltage
Cause
Corrective action
The supply voltage of the ECU has
violated the specified limit value
1.
1. Check state of charge of batteries (plant side).
2. Check plug connectors for engine governor (→ Page 256).
3. Check battery-charging generator (→ Page 238).
4. Contact Service.
121 – HIHI ECU Power Supply Voltage
Cause
Corrective action
The supply voltage of the ECU has
violated the specified limit value
2.
1. Check state of charge of batteries (plant side).
2. Check plug connectors for engine governor (→ Page 256).
3. Check battery-charging generator (→ Page 238).
4. Contact Service.
122 – HI T-ECU
Cause
Corrective action
The temperature at the sensor
inside the ECU has violated the
upper limit value. The temperature
inside the housing is too high.
u
Contact Service.
180 – AL CAN1 Node Lost
Cause
Corrective action
Connection or communication
with a node on CAN bus 1 has
failed.
1. Check engine wiring (→ Page 251).
2. Disconnect power supply, then reconnect.
3. Contact Service.
181 – AL CAN2 Node Lost
Cause
Corrective action
Connection or communication
with a node on CAN bus 2 has
failed.
1. Check engine wiring (→ Page 251).
2. Disconnect power supply, then reconnect.
3. Contact Service.
186 – AL CAN1 Bus Off
Cause
Corrective action
CAN bus 1 for MTU Automation
(e.g. ECU/MAU/SAM) disrupted
or faulty.
1. Check plug connectors for engine governor (→ Page 256).
2. Contact Service.
MS15041/03E 2018-08
| Troubleshooting | 89
TIM-ID: 0000065298 - 004
Summary of Contents for 12V4000C*5 series
Page 1: ...Operating Instructions Diesel engine 12V4000Cx5 16V4000Cx5 MS15041 03E...
Page 3: ......
Page 4: ......
Page 46: ...1 B13 Crankskaft speed 44 General Information MS15041 03E 2018 08 TIM ID 0000063565 001...
Page 196: ...1 Bypass flap 194 Exhaust Gas Recirculation MS15041 03E 2018 08 TIM ID 0000063475 002...
Page 264: ...262 Manufacturer s Documentation MS15041 03E 2018 08...
Page 266: ...264 Manufacturer s Documentation MS15041 03E 2018 08 TIM ID 0000098598 001...
Page 267: ...MS15041 03E 2018 08 Manufacturer s Documentation 265 TIM ID 0000098598 001...
Page 268: ...266 Manufacturer s Documentation MS15041 03E 2018 08 TIM ID 0000098598 001...
Page 269: ...MS15041 03E 2018 08 Manufacturer s Documentation 267 TIM ID 0000098598 001...
Page 270: ...268 Manufacturer s Documentation MS15041 03E 2018 08 TIM ID 0000098598 001...
Page 271: ...MS15041 03E 2018 08 Manufacturer s Documentation 269 TIM ID 0000098598 001...
Page 272: ...270 Manufacturer s Documentation MS15041 03E 2018 08 TIM ID 0000098598 001...
Page 273: ...MS15041 03E 2018 08 Manufacturer s Documentation 271 TIM ID 0000098598 001...
Page 274: ...272 Manufacturer s Documentation MS15041 03E 2018 08 TIM ID 0000098598 001...
Page 275: ...MS15041 03E 2018 08 Manufacturer s Documentation 273 TIM ID 0000098598 001...
Page 276: ...274 Manufacturer s Documentation MS15041 03E 2018 08 TIM ID 0000098598 001...
Page 288: ...286 Manufacturer s Documentation MS15041 03E 2018 08 TIM ID 0000083486 002...