![MTU 20V4000L32FB Operating Instructions Manual Download Page 78](http://html1.mh-extra.com/html/mtu/20v4000l32fb/20v4000l32fb_operating-instructions-manual_1852707078.webp)
112509 – HIHI T-Exhaust A9
Red alarm. Initiated by EMU.
Cause
Corrective action
Exhaust gas temperature of this
cylinder is too high in comparison
with weighted average.
1. Check emission values (→ Page 57).
2. Check ignition timing (→ Page 186).
3. Check valve drive (exhaust valves do not close).
112510 – HIHI T-Exhaust A10
Red alarm. Initiated by EMU.
Cause
Corrective action
Exhaust gas temperature of this
cylinder is too high in comparison
with weighted average.
1. Check emission values (→ Page 57).
2. Check ignition timing (→ Page 186).
3. Check valve drive (exhaust valves do not close).
112511 – HIHI T-Exhaust B1
Red alarm. Initiated by EMU.
Cause
Corrective action
Exhaust gas temperature of this
cylinder is too high in comparison
with weighted average.
1. Check emission values (→ Page 57).
2. Check ignition timing (→ Page 186).
3. Check valve drive (exhaust valves do not close).
112512 – HIHI T-Exhaust B2
Red alarm. Initiated by EMU.
Cause
Corrective action
Exhaust gas temperature of this
cylinder is too high in comparison
with weighted average.
1. Check emission values (→ Page 57).
2. Check ignition timing (→ Page 186).
3. Check valve drive (exhaust valves do not close).
112513 – HIHI T-Exhaust B3
Red alarm. Initiated by EMU.
Cause
Corrective action
Exhaust gas temperature of this
cylinder is too high in comparison
with weighted average.
1. Check emission values (→ Page 57).
2. Check ignition timing (→ Page 186).
3. Check valve drive (exhaust valves do not close).
112514 – HIHI T-Exhaust B4
Red alarm. Initiated by EMU.
Cause
Corrective action
Exhaust gas temperature of this
cylinder is too high in comparison
with weighted average.
1. Check emission values (→ Page 57).
2. Check ignition timing (→ Page 186).
3. Check valve drive (exhaust valves do not close).
78 | Troubleshooting | MS150116/04E 2018-04
TIM-ID: 0000038611 - 006