Faults, causes and remedies
BA 2030
68
Operating Instructions, 02/2021, A5E37880173A/RS-AM
Faults
Causes
Remedy
Unusual motor
noise.
Excessive bearing play and / or bearing
defective.
Check the bearing and replace if
necessary.
Motor brake is rubbing.
Check air gap and adjust if necessary.
Inverter parameterization.
Correct the parameterization.
Oil escapes.
Incorrect oil level for the mounting
position being used.
Check the mounting position
(Page 115) and the oil level (Page 74).
Gearbox leaks.
Checking the gearbox for leaks
(Page 97).
Overpressure due to lack of venting.
Mount the venting as appropriate for
the mounting position (Page 115).
Overpressure due to soiled venting.
Clean the venting (Page 98).
Shaft sealing rings defective.
Replace the shaft sealing rings.
Cover / flange bolts loose.
Checking tightness of fastening bolts
(Page 99). Continue to monitor the
gearbox.
Surface sealing defective (e.g. on
cover, flange).
Reseal.
Damage in transit (e.g. hairline cracks). Check the gearbox for damage in
transit.
Oil leak at the
gearbox vent
Incorrect oil level for the mounting
position used and / or incorrect venting
position.
Check the venting position, the
mounting position (Page 115) and the
oil level (Page 74).
Frequent cold starts during which the
oil foams up.
Call Technical Support.
Gearbox
overheats.
Motor fan cover and / or gearbox very
dirty.
Clean the fan cover and surface of the
geared motor (Page 98).
Incorrect oil level for the mounting
position being used.
Check the mounting position
(Page 115) and the oil level (Page 74).
Incorrect oil being used (e.g. incorrect
viscosity).
Checking the oil quality (Page 82).
Oil is too old.
Check the date of last oil change. If
required, change the oil (Page 74).
Excessive bearing play and / or bearing
defective.
Check the bearing and replace if
necessary.
Coolant temperature outside the
permissible range.
Adjust the cooling air to the right
temperature
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