MTU 20V4000Lx2x Operating Instructions Manual page 66

112514 – HIHI T-Exhaust B4
Red alarm. Initiated by EMU.
Cause
Individual exhaust gas
temperature of this cylinder is too
high in comparison with weighted
average.
112515 – HIHI T-Exhaust B5
Red alarm. Initiated by EMU.
Cause
Individual exhaust gas
temperature of this cylinder is too
high in comparison with weighted
average.
112516 – HIHI T-Exhaust B6
Red alarm. Initiated by EMU.
Cause
Individual exhaust gas
temperature of this cylinder is too
high in comparison with weighted
average.
112517 – HIHI T-Exhaust B7
Red alarm. Initiated by EMU.
Cause
Individual exhaust gas
temperature of this cylinder is too
high in comparison with weighted
average.
112518 – HIHI T-Exhaust B8
Red alarm. Initiated by EMU.
Cause
Individual exhaust gas
temperature of this cylinder is too
high in comparison with weighted
average.
66 | Troubleshooting | MS150122/00E 2015-07
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).
Corrective action
1. Check emission values.
2. Check ignition timing (→ Page 143).
3. Check valve drive (exhaust valves do not close).