MTU 20 V 4000 G23 Technical Publication page 78

Troubleshooting
Fault
code No. Designation
016 SS P-Lube Oil
019 HI T-Exhaust A
020 SS T-Exhaust A
021 HI T-Exhaust B
022 SS T-Exhaust B
023
LO Coolant Level
024
SS Coolant Level
025 HI P-Diff. Lube Oil
026 HI P-Diff. Lube Oil
027 HI Leak Fuel Level
029
HI ETC 2 idle speed
030 SS Engine Speed
M015715/00E 06-08
Meaning
Main warning: Lube oil
pressure too low; Engine will
be shut down.
Preliminary warning: Exhaust
temperature (A-side) too high.
Main warning: Exhaust
temperature (A-side) too high.
Engine stop.
Preliminary warning: Exhaust
temperature (B-side) too high.
Main warning: Exhaust
temperature (B-side) too high.
Engine stop.
Alarm configuration limit value
1; Coolant level too low.
Alarm configuration limit value
2; Coolant level too low.
Alarm configuration limit value
1; Preliminary warning: Oil
filter differential pressure too
high.
Alarm configuration limit value
1; Preliminary warning: Oil
filter differential pressure too
high.
Alarm configuration limit
value 1; Preliminary warning:
Leak-off fuel level too high.
Idle speed of ETC 2 too high.
Alarm configuration limit value
2; Engine overspeed; reduced
fuel injection.
Task
1. Check oil
level, top up
as necessary
(→ Page 130).
2. Attempt to
restart engine
(→ Page 49).
1. Check cabling
(→ Page 151).
2. Contact
Service.
1. Check cabling
(→ Page 151).
2. Contact
Service.
1. Check cabling
(→ Page 151).
2. Contact
Service.
1. Check cabling
(→ Page 151).
2. Contact
Service.
Check coolant level
in expansion tank
(→ Page 139).
Check coolant level
in expansion tank
(→ Page 139).
Replace oil filter
(→ Page 132).
Replace oil filter
(→ Page 132).
1. Check fuel
system.
2. Contact
Service.
Contact Service.
1. Acknowledge
alarm.
2. Attempt to
restart engine.
73
Related
parameter No.
2.0100.922
2.0126.931
2.0126.932
2.0127.931
2.0127.932
2.0152.921
2.0152.912
2.0154.931
2.0154.932
2.0151.931
1.8004.206
2.2510.932
© MTU