MTU MS15027/02E Operating Instuctions page 57

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.
Corrective action
1. Check emission values.
2. Check ignition timing (→ Page 162).
3. Check valve gear (exhaust valves do not close).
Corrective action
1. Check emission values.
2. Check ignition timing (→ Page 162).
3. Check valve gear (exhaust valves do not close).
Corrective action
1. Check spark plug.
2. Check emission values.
3. Check ignition timing (→ Page 162).
4. Check valve gear.
Corrective action
1. Check spark plug.
2. Check emission values.
3. Check ignition timing (→ Page 162).
4. Check valve gear.
Corrective action
1. Check spark plug.
2. Check emission values.
3. Check ignition timing (→ Page 162).
4. Check valve gear.
MS15027/02E 2015-04 | Troubleshooting | 57