021 – HI T-Exhaust B
Yellow alarm.
Associated parameter 2.0127.931
Cause
Corrective action
Exhaust gas temperature (B
side) after turbine too high (limit
value 1). Incorrect ignition
timing, mixture too lean or too
rich, damage to turbine.
1. Check exhaust turbocharger.
2. Check ignition timing (→ Page 141).
3. Check mixture setting.
4. Check spark plugs.
022 – SS T-Exhaust B
Yellow alarm.
Associated parameter 2.0127.932
Cause
Corrective action
Exhaust gas temperature (B
side) after turbine too high (limit
value 2). Incorrect ignition
timing, mixture too lean or too
rich, damage to turbine.
1. Check exhaust turbocharger.
2. Check ignition timing (→ Page 141).
3. Check mixture setting.
4. Check spark plugs.
025 – HI P-Diff Lube Oil
Yellow alarm.
Associated parameter 2.0154.931
Cause
Corrective action
Pressure loss via oil filter too
high (limit value 1).
1. Replace oil filter (→ Page 156).
2. If this fault message occurs again after unexpectedly short filter
runtime, check oil filter for deposits, change oil if required
(→ Page 154).
026 – SS P-Diff. Lube Oil
Red alarm. Engine shutdown.
Associated parameter 2.0154.932
Cause
Corrective action
Pressure loss via oil filter too
high (limit value 2).
1. Replace oil filter (→ Page 156).
2. If this fault message occurs again after unexpectedly short filter
runtime, check oil filter for deposits, change oil if required
(→ Page 154).
96 | Troubleshooting | MS150114/01E 2015-03
TIM-ID: 0000044738 - 001
