MTU 20V4000L33F Operating Instructions Manual page 60

112418 – LO T-Exhaust B8
Yellow alarm. Initiated by EMU.
Cause
The exhaust temperature of this
cylinder is too high as compared
with the average value.
112419 – LO T-Exhaust B9
Yellow alarm. Initiated by EMU.
Cause
The exhaust temperature of this
cylinder is too high as compared
with the average value.
112420 – LO T-Exhaust B10
Yellow alarm. Initiated by EMU.
Cause
The exhaust temperature of this
cylinder is too high as compared
with the average value.
112501 – HIHI T-Exhaust A1
Red alarm. Initiated by EMU.
Cause
The exhaust temperature of this
cylinder is too high as compared
with the average value.
112502 – HIHI T-Exhaust A2
Red alarm. Initiated by EMU.
Cause
The exhaust temperature of this
cylinder is too high as compared
with the average value.
112503 – HIHI T-Exhaust A3
Red alarm. Initiated by EMU.
Cause
The exhaust temperature of this
cylinder is too high as compared
with the average value.
60 | Troubleshooting | MS150108/02E 2015-03
Corrective action
1. Check spark plug.
2. Check emission values.
3. Check ignition timing (→ Page 141).
4. Check valve drive.
Corrective action
1. Check spark plug.
2. Check emission values.
3. Check ignition timing (→ Page 141).
4. Check valve drive.
Corrective action
1. Check spark plug.
2. Check emission values.
3. Check ignition timing (→ Page 141).
4. Check valve drive.
Corrective action
1. Check emission values.
2. Check ignition timing (→ Page 141)
3. Check valve drive (exhaust valves do not close).
Corrective action
1. Check emission values.
2. Check ignition timing (→ Page 141).
3. Check valve drive (exhaust valves do not close).
Corrective action
1. Check emission values.
2. Check ignition timing (→ Page 141).
3. Check valve drive (exhaust valves do not close).