ABB HT571908 Operation Manual page 82

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Troubleshooting
Malfunctions during operation
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 contami-
nated
Exhaust counterpressure too
high
Damaged or eroded turbine
Charge air Cooler contaminated
cooler
Cooling water volume too low
Entry temperature of cooling
water too high
Inadequate ventilation
Operation Manual / TPS44-F.. - TPS61-F..
6
6.3
Elimination
Repair it or contact the manu-
facturer
Clean it
Clean or repair the boiler or
exhaust silencer
Contact an ABB Turbocharg-
ing Service Station
Clean it
Top up the water
Inspect / clean the cooling
system
Improve the ventilation
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