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Operation Manual / TPL65-A32 / -A33 / -A36 + TPL69-A32 / -A33
6 Troubleshooting / 6.3 Malfunctions during operation
© Copyright 2020 . All rights reserved.
Exhaust gas temperature too high
Engine performance and engine speed unchanged
Possible causes
Engine
Malfunctioning injection
system
Turbocharger Air starvation, for example
filter silencer clogged with
dirt
Compressor / turbine con-
taminated
Exhaust counterpressure
too high
Enlarged flow cross-section
of the nozzle ring due to de-
formed blade trailing edges
Damaged or eroded turbine
Charge air
Cooler contaminated
cooler
Cooling water volume too
low
Entry temperature of cool-
ing water too high
Inadequate ventilation
HZTL2498_EN
Elimination
Repair it or contact the manu-
facturer
Clean it
Clean or repair the boiler or ex-
haust silencer
Contact an ABB Turbocharging
Service Station
Clean it
Top up the water
Inspect / clean the cooling sys-
tem
Improve the ventilation
Rev.F
December 2020
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