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153234 – HI Knock Integrator B4
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 149).
3. Check combustion chamber.
4. Check gas quality if feasible (methane number).
153235 – HI Knock Integrator B5
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 149).
3. Check combustion chamber.
4. Check gas quality if feasible (methane number).
153236 – HI Knock Integrator B6
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 149).
3. Check combustion chamber.
4. Check gas quality if feasible (methane number).
153237 – HI Knock Integrator B7
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 149).
3. Check combustion chamber.
4. Check gas quality if feasible (methane number).
153238 – HI Knock Integrator B8
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 149).
3. Check combustion chamber.
4. Check gas quality if feasible (methane number).
94 | Troubleshooting | MS150059/02E 2013-10
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