MTU 20V4000L32FNER Operating Instructions Manual page 74

112617 – LOLO T-Exhaust B7
Red alarm. Initiated by EMU.
Cause
Exhaust gas temperature of this
cylinder is too low in comparison
with weighted average.
112618 – LOLO T-Exhaust B8
Red alarm. Initiated by EMU.
Cause
Exhaust gas temperature of this
cylinder is too low in comparison
with weighted average.
112619 – LOLO T-Exhaust B9
Red alarm. Initiated by EMU.
Cause
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
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
Exhaust gas temperature of this
cylinder is too high.
74 | Troubleshooting | MS150122/02E 2017-09
Corrective action
1. Check igniter.
2. Check emission values (→ Page 47).
3. Check ignition timing (→ Page 176).
4. Check valve drive.
5. Check wiring on the ignition rail/ignition coil for thermal and
mechanical damage.
Corrective action
1. Check igniter.
2. Check emission values (→ Page 47).
3. Check ignition timing (→ Page 176).
4. Check valve drive.
5. Check wiring on the ignition rail/ignition coil for thermal and
mechanical damage.
Corrective action
1. Check igniter.
2. Check emission values (→ Page 47).
3. Check ignition timing (→ Page 176).
4. Check valve drive.
5. Check wiring on the ignition rail/ignition coil for thermal and
mechanical damage.
Corrective action
1. Check igniter.
2. Check emission values (→ Page 47).
3. Check ignition timing (→ Page 176).
4. Check valve drive.
5. Check wiring on the ignition rail/ignition coil for thermal and
mechanical damage.
Corrective action
1. Check emission values (→ Page 47).
2. Check ignition timing (→ Page 176).
3. Check valve drive (exhaust valves do not close).