Fault Messages - Engine Control Unit - MTU 20V4000Lx2x Operating Instructions Manual

5.3 Fault messages – Engine Control Unit
015 – LO P-Lube Oil
Yellow alarm.
Associated parameter 2.0100.921
Cause
Engine oil pressure too low (limit
value 1). No oil in engine, engine
speed too low, oil lines, oil heat
exchanger clogged, oil pump
faulty.
016 – SS P-Lube Oil
Red alarm. Engine shutdown.
Associated parameter 2.0100.922
Cause
Engine oil pressure too low (limit
value 2). No oil in engine, engine
speed too low, oil lines, oil heat
exchanger clogged, oil pump
faulty.
019 – HI T-Exhaust A
Yellow alarm.
Associated parameter 2.0126.931
Cause
Exhaust gas temperature (A side)
after turbine too high (limit value
1). Incorrect ignition timing,
mixture too lean or too rich,
damage to turbine.
020 – SS T-Exhaust A
Yellow alarm.
Associated parameter 2.0126.932
Cause
Exhaust gas temperature (A side)
after turbine too high (limit value
2). Incorrect ignition timing,
mixture too lean or too rich,
damage to turbine.
Corrective action
1. Check oil system, oil heat exchanger.
2. Replace oil filter (→ Page 158).
3. Take oil sample and analyze (→ Page 157).
Corrective action
1. Check oil system, oil heat exchanger.
2. Replace oil filter (→ Page 158).
3. Take oil sample and analyze (→ Page 157).
Corrective action
1. Check exhaust turbocharger.
2. Check ignition timing (→ Page 143).
3. Check mixture setting.
Corrective action
1. Check exhaust turbocharger.
2. Check ignition timing (→ Page 143).
3. Check mixture setting.
4. Check spark plugs.
MS150122/00E 2015-07 | Troubleshooting | 97