Trouble Shooting - ABB AMXE160 Manual

TrouBlE shooTIng

1.1 General
8. Trouble shooting
3BSY600011-BCM
The purpose of this document is to describe general guidelines for the installation, maintenance
and disposal of the AMXE132 motor.
Actions shown in this manual are only to be performed by trained personnel authorized by
•
ABB or authorized by the end user.
The actual appearance of the motor may vary from the illustrations in this manual, depending on
the final design.
Instructions to determine the cause of abnormal behavior or failure conditions and proposed corrective
measures.
Abbreviations and nomenclature used in this manual:
Should abnormal behavior arise when starting or operating the motor, the cause should be determined
D-end or DE: Drive side of motor.
•
and eliminated immediately, whereby prompt action can often avoid serious damage. In case of
phenomena which cannot be satisfactorily explained, please contact your local ABB sales office for
ND-end or NDE: Non drive side of motor.
•
further clarification.
• WARNING: signal word used to indicate a potentially hazardous situation which, if not
Use the guidelines below for trouble shooting.
avoided, can result in death or serious injury.
Symbols used in this manual:
Warning – High Voltage
Caution, risk of electric shock.
Touching a live motor connection causes serious injuries or death.
The motor must be isolated from the power supply system prior to carrying out any investigations.
Mechanical failures
Failure
Safety Alert Symbol, warns of a potential personal injury hazard.
Motor is vibrating and generating
abnormal noise.
Motor starts with scraping noise.
Motor starts with abnormal
permanent scraping noise.
Motor is abnormally hot also at no
load.
Warning, magnetic field.
High vibrations at run out.
Bearing failure during normal
operation.
Motor does not start at load,
normal magnetic noise.
Shaft torque disappear.
Prohibition, No access for people with active implanted cardiac devices
(pace maker)
Possible cause of failure
Damage bearing.
Foreign particles in the air gap.
Rotor and stator touch each other in
the air gap.
Liquid cooling system is out of
order.
Too high residual unbalance.
Misaligned total driving axle system. Check the alignment, make corrections, and
Load torque too high.
Loose coupling on the shaft.
Corrective action
Please contact ABB for further instructions.
Please contact ABB for further instructions.
Please contact ABB for further instructions.
Check liquid cooling system's functionality.
Please contact ABB for further instructions.
contact ABB for further instructions.
Uncouple the motor and test it separately at no
load, compare the results with other motors
tested at no load.
Take the motor out of them chassis. Investigate
the shaft and coupling dimensions. Replace defect
component.
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