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