MTU 12 V 4000 L63 Operating Instructions Manual page 56

112403 – LO T-Exhaust A3
Yellow alarm. Initiated by EMU.
Cause
The exhaust temperature of this
cylinder is too low as compared
with the average value.
112404 – LO T-Exhaust A4
Yellow alarm. Initiated by EMU.
Cause
The exhaust temperature of this
cylinder is too low as compared
with the average value.
112405 – LO T-Exhaust A5
Yellow alarm. Initiated by EMU.
Cause
The exhaust temperature of this
cylinder is too low as compared
with the average value.
112406 – LO T-Exhaust A6
Yellow alarm. Initiated by EMU.
Cause
The exhaust temperature of this
cylinder is too low as compared
with the average value.
112407 – LO T-Exhaust A7
Yellow alarm. Initiated by EMU.
Cause
The exhaust temperature of this
cylinder is too low as compared
with the average value.
56 | Troubleshooting | MS150058/01E 2012-07
Corrective action
1. Check spark plug.
2. Check emission values.
3. Check ignition timing (→ Page 137).
4. Check valve drive.
Corrective action
1. Check spark plug.
2. Check emission values.
3. Check ignition timing (→ Page 137).
4. Check valve drive.
Corrective action
1. Check spark plug.
2. Check emission values.
3. Check ignition timing (→ Page 137).
4. Check valve drive.
Corrective action
1. Check spark plug.
2. Check emission values.
3. Check ignition timing (→ Page 137).
4. Check valve drive.
Corrective action
1. Check spark plug.
2. Check emission values.
3. Check ignition timing (→ Page 137).
4. Check valve drive.