Operation Manual / TPS44-F.. - TPS61-F..
6 Troubleshooting / 6.3 Malfunctions during operation
© Copyright 2020 . All rights reserved. HZTL2412_EN Rev.G March 2020
Exhaust gas temperature too high
Engine performance and engine speed unchanged
Possible causes Elimination
Engine Malfunctioning injection
system
Repair it or contact the manu-
facturer
Turbocharger Air starvation, for example
filter silencer clogged with
dirt
Clean it
Compressor / turbine con-
taminated
Exhaust counterpressure
too high
Clean or repair the boiler or ex-
haust silencer
Enlarged flow cross-section
of the nozzle ring due to de-
formed blade trailing edges
Contact an ABB Turbocharging
Service Station
Damaged or eroded turbine
Charge air
cooler
Cooler contaminated Clean it
Cooling water volume too
low
Top up the water
Entry temperature of cool-
ing water too high
Inspect / clean the cooling sys-
tem
Inadequate ventilation Improve the ventilation
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