MTU 12 V 4000 L63 Operating Instructions Manual page 55

112317 – HI T-Exhaust B7
Yellow alarm. Initiated by EMU.
Cause
The exhaust temperature of this
cylinder is too high as compared
with the average value.
112318 – HI T-Exhaust B8
Yellow alarm. Initiated by EMU.
Cause
The exhaust temperature of this
cylinder is too high as compared
with the average value.
112319 – HI T-Exhaust B9
Yellow alarm. Initiated by EMU.
Cause
The exhaust temperature of this
cylinder is too high as compared
with the average value.
112320 – HI T-Exhaust B10
Yellow alarm. Initiated by EMU.
Cause
The exhaust temperature of this
cylinder is too high as compared
with the average value.
112401 – LO T-Exhaust A1
Yellow alarm. Initiated by EMU.
Cause
The exhaust temperature of this
cylinder is too low as compared
with the average value.
112402 – LO T-Exhaust A2
Yellow alarm. Initiated by EMU.
Cause
The exhaust temperature of this
cylinder is too low as compared
with the average value.
Corrective action
1. Check emission values.
2. Check ignition timing (→ Page 137).
3. Check valve drive (exhaust valves do not close).
Corrective action
1. Check emission values.
2. Check ignition timing (→ Page 137).
3. Check valve drive (exhaust valves do not close).
Corrective action
1. Check emission values.
2. Check ignition timing (→ Page 137).
3. Check valve drive (exhaust valves do not close).
Corrective action
1. Check emission values.
2. Check ignition timing (→ Page 137).
3. Check valve drive (exhaust valves do not close).
Corrective action
1. Check spark plug.
2. Check emission values.
3. Check ignition timing (→ Page 137).
4. Check valve drive.
Corrective action
1. Check spark plug.
2. Check emission values.
3. Check ignition timing (→ Page 137).
4. Check valve drive.
MS150058/01E 2012-07 | Troubleshooting | 55