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Operation Manual / 4 Product description / A100-M axial
7
Troubleshooting
Page 53 / 113
© Copyright 2016 ABB. All rights reserved.
HZTL4033_EN
Revision A
July 2016
Exhaust gas temperature too high
Engine performance and engine speed unchanged
Possible causes
Remedy
Engine
Malfunction in the injection system
Repair or contact manufacturer
Turbocharger
Insufficient air, for example, when
filter silencer is blocked by dirt
Clean (
Compressor/turbine contaminated
Exhaust gas back pressure too high Clean or repair boiler or exhaust gas silenc-
er
Turbine damaged or eroded
Contact ABB Turbocharging Service Station
Charge air 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 20: Malfunctions during operation – Exhaust gas temperature too high
Charge air pressure too low
Engine performance and engine speed unchanged, suction condition normal
Possible causes
Remedy
Engine
Air receiver not sealed
Repair
Gas pipe between engine and tur-
bine not sealed
Injection mistimed
Set correctly
Valve control misadjusted
Turbocharger
Manometer display not correct
Replace manometer
Supply pipe to manometer not
sealed
Repair leak
Filter silencer contaminated, there-
fore pressure drop too high
Clean (
Compressor end and/or turbine end
contaminated
Compressor/turbine damaged
Contact ABB Turbocharging Service Station
Exhaust gas back pressure too high Clean or repair boiler or exhaust gas silencer
Pipes
Pipes downstream to the compres-
sor outlet not sealed.
Repair.
Table 21: Malfunctions during operation – Charge air pressure too low