MTU 8V4000Lx4 Operating Instructions Manual page 58

112319 – HI T-Exhaust B9
Yellow alarm. Initiated by EMU.
Cause
Individual exhaust gas
temperature of this cylinder is
too high in comparison with
weighted average.
112320 – HI T-Exhaust B10
Yellow alarm. Initiated by EMU.
Cause
Individual exhaust gas
temperature of this cylinder is
too high in comparison with
weighted average.
112401 – LO T-Exhaust A1
Yellow alarm. Initiated by EMU.
Cause
Individual exhaust gas
temperature of this cylinder is
too low in comparison with
weighted average.
112402 – LO T-Exhaust A2
Yellow alarm. Initiated by EMU.
Cause
Individual exhaust gas
temperature of this cylinder is
too low in comparison with
weighted average.
112403 – LO T-Exhaust A3
Yellow alarm. Initiated by EMU.
Cause
Individual exhaust gas
temperature of this cylinder is
too low in comparison with
weighted average.
58 | Troubleshooting | MS15026/00E 2015-05
Corrective action
1. Check emission values.
2. Check ignition timing (→ Page 163).
3. Check valve gear (exhaust valves do not close).
Corrective action
1. Check emission values.
2. Check ignition timing (→ Page 163).
3. Check valve gear (exhaust valves do not close).
Corrective action
1. Check spark plug.
2. Check emission values.
3. Check ignition timing (→ Page 163).
4. Check valve gear.
Corrective action
1. Check spark plug.
2. Check emission values.
3. Check ignition timing (→ Page 163).
4. Check valve gear.
Corrective action
1. Check spark plug.
2. Check emission values.
3. Check ignition timing (→ Page 163).
4. Check valve gear.