Table 28: Malfunctions During Operation - Charge Air Pressure Too Low; Table 29: Malfunctions During Operation - Charge Air Pressure Too High - ABB PT003924 Operation Manual

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