Faults, Causes And Remedies - Siemens SIMOGEAR BA 2330 Operating Instructions Manual

Faults, causes and remedies

Note
Faults and malfunctions that occur during the warranty period and requiring repair work on the
motor may only be remedied by Technical Support. If faults occur without a clearly identifiable
cause after the warranty period has elapsed, Siemens AG recommends the services provided by
Technical Support.
If you need the help of the Technical Support, please have the following information ready:
• Rating plate data
• Nature and extent of the fault
• Suspected cause
Table 9-1
Faults
Bearing overheated
Bearing noise
Motor running uneven‐
ly
Motors for mounting onto SIMOGEAR gearboxes
Operating Instructions, 01/2024, A5E53220841A/RS-AA
Faults, causes and remedies
Causes
Too much grease in the bearing
Bearing contaminated
Belt tension too high
Coupling forces pull or push
Coolant temperature outside the
permissible range.
The bearing grease has a dark color
Not enough grease in the bearing
Incorrect motor installation
Not enough grease in the bearing
Incorrect motor installation
Brinelling on the inner ring of the
bearing, e.g. caused when the mo‐
tor starts with a locked bearing
Coupling forces pull or push
Incorrect motor installation
Out of balance due to belt pulley or
coupling
Motor mounting too weak
Remedy
Remove excess grease
Replace bearing
Reduce belt tension
Align the motor precisely, correct the
coupling
Adjust the cooling air to the right tem‐
perature
Check for bearing currents
Lubricate as prescribed by the manufac‐
turer
Check the motor type of construction
Lubricate as prescribed by the manufac‐
turer
Check the motor type of construction
Replace bearing, prevent vibration
when motor is stationary
Align the motor precisely, correct the
coupling
Check the motor type of construction
Balance precisely
Check the mounting
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