Operation Manual / TPL69-A10 / -A30 ... TPL77-A10 / -A30
Troubleshooting
6
Malfunctions during operation
6.3
Page 78
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D
ec
em
ber
2016
H
ZT
L2481_
EN
R
ev
is
ion
B
Exhaust gas temperature too high
Engine performance and engine speed unchanged
Possible causes
Elimination
Engine
Malfunctioning injection sys-
tem
Repair it or contact the manufac-
turer
Turbocharger Air starvation, for example
filter silencer clogged with
dirt
Clean it
Compressor / turbine conta-
minated
Exhaust counterpressure too
high
Clean or repair the boiler or ex-
haust silencer
Damaged or eroded turbine Contact an ABB Turbocharging
Service Station
Charge air
cooler
Cooler contaminated
Clean it
Cooling water volume too
low
Top up the water
Entry temperature of cooling
water too high
Inspect / clean the cooling sys-
tem
Inadequate ventilation
Improve the ventilation