MTU 20V4000Lx2x Operating Instructions Manual page 71

112619 – LOLO T-Exhaust B9
Red alarm. Initiated by EMU.
Cause
Individual exhaust gas
temperature of this cylinder is too
low in comparison with weighted
average.
112620 – LOLO T-Exhaust B10
Red alarm. Initiated by EMU.
Cause
Individual exhaust gas
temperature of this cylinder is too
low in comparison with weighted
average.
112701 – HIHI T-Exhaust A1 (abs)
Red alarm. Initiated by EMU.
Cause
Individual exhaust gas
temperature of this cylinder is too
high.
112702 – HIHI T-Exhaust A2 (abs)
Red alarm. Initiated by EMU.
Cause
Individual exhaust gas
temperature of this cylinder is too
high.
112703 – HIHI T-Exhaust A3 (abs)
Red alarm. Initiated by EMU.
Cause
Individual exhaust gas
temperature of this cylinder is too
high.
112704 – HIHI T-Exhaust A4 (abs)
Red alarm. Initiated by EMU.
Cause
Individual exhaust gas
temperature of this cylinder is too
high.
Corrective action
1. Check spark plug.
2. Check emission values.
3. Check ignition timing (→ Page 143).
4. Check valve drive.
Corrective action
1. Check spark plug.
2. Check emission values.
3. Check ignition timing (→ Page 143).
4. Check valve drive.
Corrective action
1. Check emission values.
2. Check ignition timing (→ Page 143).
3. Check valve drive (exhaust valves do not close).
Corrective action
1. Check emission values.
2. Check ignition timing (→ Page 143).
3. Check valve drive (exhaust valves do not close).
Corrective action
1. Check emission values.
2. Check ignition timing (→ Page 143).
3. Check valve drive (exhaust valves do not close).
Corrective action
1. Check emission values.
2. Check ignition timing (→ Page 143).
3. Check valve drive (exhaust valves do not close).
MS150122/00E 2015-07 | Troubleshooting | 71