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153239 – HI Knock Integrator B9
Yellow alarm. Initiated by SAM.
Cause
Corrective action
Readjustment of ignition timing
beyond a limit value because
knocking was detected in this
cylinder.
1. Check emission values.
2. Check ignition timing (→ Page 137).
3. Check combustion chamber.
4. Check gas quality if feasible (methane number).
153240 – HI Knock Integrator B10
Yellow alarm. Initiated by SAM.
Cause
Corrective action
Readjustment of ignition timing
beyond a limit value because
knocking was detected in this
cylinder.
1. Check emission values.
2. Check ignition timing (→ Page 137).
3. Check combustion chamber.
4. Check gas quality if feasible (methane number).
153241 – HIHI Knock Integrator A1
Red alarm. Initiated by SAM.
Cause
Corrective action
Emergency stop due to knocking
detected in this cylinder.
1. Check emission values.
2. Check ignition timing (→ Page 137).
3. Check combustion chamber.
4. Check gas quality if feasible (methane number).
153242 – HIHI Knock Integrator A2
Red alarm. Initiated by SAM.
Cause
Corrective action
Emergency stop due to knocking
detected in this cylinder.
1. Check emission values.
2. Check ignition timing (→ Page 137).
3. Check combustion chamber.
4. Check gas quality if feasible (methane number).
153243 – HIHI Knock Integrator A3
Red alarm. Initiated by SAM.
Cause
Corrective action
Emergency stop due to knocking
detected in this cylinder.
1. Check emission values.
2. Check ignition timing (→ Page 137).
3. Check combustion chamber.
4. Check gas quality if feasible (methane number).
MS150033/04E 2012-07 | Troubleshooting | 91
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