Table 32: Malfunctions During Operation - Charge Air Pressure Too Low; Table 33: Malfunctions During Operation - Charge Air Pressure Too High - ABB Power2 550-M44 Operation Manual
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Operation Manual / Power2 550-M / High-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 32: 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 33: 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
HZTL4058_EN
Rev.F
March 2022
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