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Operation Manual / Power2 850-M / 4 Product description
7 Troubleshooting / 7.4 Malfunctions when stopping
© Copyright 2019 ABB. All rights reserved.
HZTL4061_EN
Rev.B
June 2019
7.4
Malfunctions when stopping
Runout noises
Possible causes
Remedy
Low-pressure or
high-pressure
stage
Pressure stage contaminated
Clean
Bearing damaged
Contact ABB Turbocharging Service Sta-
tion
Rotor rubbing
Foreign object in the pressure stage
Table 30: Malfunctions when stopping – Runout noises
Runout time too short
Possible causes
Remedy
Low-pressure or
high-pressure
stage
Pressure stage contaminated
Clean
Bearing damaged
Contact ABB Turbocharging Service Sta-
tion
Rotor rubbing
Foreign object in the pressure stage
Table 31: Malfunctions when stopping – Runout time too short
7.5
Speed measurement system
Measured speed incorrect
Possible causes
Remedy
Low-pressure
or
high-pressure
stage
- -
Contact ABB Turbocharging Service Station
Table 32: Measured speed incorrect
Page
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