Siemens SIMOGEAR BA 2330 - Faults, Causes and Remedies

Faults, causes and remedies
9
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 identi󹪝able
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, causes and remedies
Faults Causes Remedy
Bearing overheated Too much grease in the bearing Remove excess grease
Bearing contaminated Replace bearing
Belt tension too high Reduce belt tension
Coupling forces pull or push Align the motor precisely, correct the
coupling
Coolant temperature outside the
permissible range.
Adjust the cooling air to the right tem‐
perature
The bearing grease has a dark color Check for bearing currents
Not enough grease in the bearing Lubricate as prescribed by the manufac‐
turer
Incorrect motor installation Check the motor type of construction
Bearing noise Not enough grease in the bearing Lubricate as prescribed by the manufac‐
turer
Incorrect motor installation Check the motor type of construction
Brinelling on the inner ring of the
bearing, e.g.caused when the mo‐
tor starts with a locked bearing
Replace bearing, prevent vibration
when motor is stationary
Motor running uneven‐
ly
Coupling forces pull or push Align the motor precisely, correct the
coupling
Incorrect motor installation Check the motor type of construction
Out of balance due to belt pulley or
coupling
Balance precisely
Motor mounting too weak Check the mounting
Motors for mounting onto SIMOGEAR gearboxes
Operating Instructions, 01/2024, A5E53220841A/RS-AA 89