
Operation Manual / Power2 845-M / 4 Product description
7 Troubleshooting / 7.2 Malfunctions during operation
© Copyright 2020 ABB. All rights reserved.
HZTL4070_EN
Rev.C
January 2020
Exhaust gas temperature too high
Engine performance and engine speed unchanged
Possible causes
Remedy
Engine
Malfunction in the injection system
Repair or contact manufacturer
Low-pressure
or
high-pressure
stage
Insufficient air, for example, because
filter silencer is blocked by contam-
ination
Clean
Compressor/turbine contaminated
Exhaust gas back pressure too high
Clean or repair boiler or exhaust gas si-
lencer
Turbine damaged or eroded
Contact ABB Turbocharging Service
Station
Charge air
cooler/inter-
cooler
Cooler contaminated
Clean
Cooling water volume too low
Fill
Inlet temperature of cooling water
too high
Check/clean cooling system
Insufficient ventilation
Improve ventilation
Table 24: Malfunctions during operation – Exhaust gas temperature too high
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