ABB Power2 850-M16 - Page 74

Operation Manual / Power2 800-M / 4 Product description
7
Troubleshooting
Page 42 /
59
© Copyright 2016 ABB. All rights reserved.
HZTL4061_EN
Revision A
September 2016
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 turbine
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, therefore
pressure drop too high
Clean
Compressor/turbine contaminated
Compressor/turbine damaged Contact ABB Turbocharging Service Sta-
tion
Exhaust gas back pressure too high Clean or repair boiler or exhaust gas si-
lencer
Table 25: 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 26: Malfunctions during operation – Charge air pressure too high