ABB PT003888 - Table 28: Malfunctions During Operation - Charge Air Pressure too Low; Table 29: Malfunctions During Operation - Charge Air Pressure too High

Operation Manual / Power2 340-H / Low-pressure stage
8 Troubleshooting / 8.2 Malfunctions during operation
© Copyright 2022 ABB. All rights reserved. HZTL4053_EN Rev.F March 2022
Charge air pressure too low
Engine performance and engine speed unchanged, suction condition normal
Possible causes Remedy
Engine Air receiver not sealed Repair
Gas piping between engine and tur-
bine not sealed
Injection mistimed Set correctly
Valve control misadjusted
Low-pressure
or
high-pressure
stage
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/turbine contaminated
Compressor/turbine damaged Contact a Turbo Systems service sta-
tion
Exhaust gas back pressure too high Clean or repair boiler or exhaust gas si-
lencer
Table28: Malfunctions during operation – Charge air pressure too low
Charge air pressure too high
Engine performance and engine speed unchanged, suction condition normal
Possible causes Remedy
Engine Malfunction in the injection system Repair or contact manufacturer
Injection mistimed Set correctly
Engine performance higher than ex-
pected
Check engine performance
Low-pressure
or
high-pressure
stage
Manometer display not correct Replace manometer
Table29: Malfunctions during operation – Charge air pressure too high
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