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Faults, causes and remedies
Note
Faults and malfunctions that occur during the warranty period and requiring repair work on
the gearbox must be remedied only by Technical Support. If faults occur without a clearly
identifiable cause, Siemens AG recommends the services of the Technical Support even
after the warranty period has elapsed.
If you need the help from the Technical Support, please have the following information
ready:
• Rating plate data
• Nature and extent of the fault
• Suspected cause
Table 7- 1
Faults
Unusual noise on
the gearbox.
BA 2515
Operating Instructions, 10/2016, A5E38123453A/RS-AB
Faults, causes and remedies
Causes
Oil level too low.
Foreign objects in the oil (irregular
noise).
Excessive bearing play and / or
bearing defective.
Defective gearing.
Fastening bolts loose.
Excessive external load on the drive
input and output.
Transport damage.
Damage due to blockage during
commissioning.
Remedy
Check the oil level (Page 43).
Checking the oil quality (Page 45).
Cleaning the gearbox (Page 55).
Change the oil (Page 43).
Check the bearing and replace if
necessary.
Check the gearing and replace if
necessary.
Checking the tightness of fastening
bolts (Page 55).
Check the load against rated data (you
might need to correct the belt tension,
for example).
Check the gearbox for damage in
transit.
Call Technical Support.
7
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