MTU Gas engine8 V 4000 L62 Operating Instructions Manual page 129

153224 – HI Knock Integrator A4
Yellow alarm. Initiated by SAM.
Cause
Readjustment of ignition timing
beyond a limit value because
knocking was detected in this
cylinder.
153225 – HI Knock Integrator A5
Yellow alarm. Initiated by SAM.
Cause
Readjustment of ignition timing
beyond a limit value because
knocking was detected in this
cylinder.
153226 – HI Knock Integrator A6
Yellow alarm. Initiated by SAM.
Cause
Readjustment of ignition timing
beyond a limit value because
knocking was detected in this
cylinder.
153227 – HI Knock Integrator A7
Yellow alarm. Initiated by SAM.
Cause
Readjustment of ignition timing
beyond a limit value because
knocking was detected in this
cylinder.
153228 – HI Knock Integrator A8
Yellow alarm. Initiated by SAM.
Cause
Readjustment of ignition timing
beyond a limit value because
knocking was detected in this
cylinder.
Corrective action
1. Check emission values.
2. Check ignition timing (→ Page 52).
3. Check combustion chamber.
4. Check gas quality if feasible (methane number).
Corrective action
1. Check emission values.
2. Check ignition timing (→ Page 52).
3. Check combustion chamber.
4. Check gas quality if feasible (methane number).
Corrective action
1. Check emission values.
2. Check ignition timing (→ Page 52).
3. Check combustion chamber.
4. Check gas quality if feasible (methane number).
Corrective action
1. Check emission values.
2. Check ignition timing (→ Page 52).
3. Check combustion chamber.
4. Check gas quality if feasible (methane number).
Corrective action
1. Check emission values.
2. Check ignition timing (→ Page 52).
3. Check combustion chamber.
4. Check gas quality if feasible (methane number).
MS150032/02E 2012-07 | Troubleshooting | 129