Faults, causes and remedies
BA 2030 (2KJ4)
58 Operating Instructions, 07/2020, A5E50009094A/RS-AL
Incorrect oil level for the mounting
position being used.
Check the mounting position (Page 84)
and the oil level (Page 62).
Checking the gearbox for leaks
(Page 75).
Overpressure due to lack of venting.
Mount the venting as appropriate for
the mounting position (Page 84).
Overpressure due to soiled venting.
Clean the venting (Page 75).
Shaft sealing rings defective.
Replace the shaft sealing rings.
Cover / flange bolts loose.
Checking the tightness of fastening
bolts (Page 77). Continue to monitor
Surface sealing defective (for exam-
ple, on cover or flange).
Damage in transit (for example hairline
cracks).
Check the gearbox for damage in trans-
it.
gearbox vent
Incorrect oil level for the mounting
position used and / or incorrect venting
Check the venting position, the mount-
ing position (Page 84) and the oil level
Frequent cold starts during which the
oil foams up.
heats.
Motor fan cover and / or gearbox very
dirty.
Clean the fan cover and surface of the
geared motor (Page 76).
Incorrect oil level for the mounting
position being used.
Check the mounting position (Page 84)
and the oil level (Page 62).
Incorrect oil being used (for example
incorrect viscosity).
Checking the oil quality (Page 63).
Check the date of last oil change. If
required, change the oil (Page 64).
Excessive bearing play and / or bearing
defective.
Check the bearing and replace if neces-
sary.
Coolant temperature outside the per-
missible range.
Adjust the cooling air to the right tem-
perature
not turn when the
Force flow interrupted by breakage in
gearbox.
starts with difficul-
ty or not at all.
Incorrect oil level for the mounting
position being used.
Check the mounting position (Page 84)
and the oil level (Page 62).
Incorrect oil being used (for example
incorrect viscosity).
Checking the oil quality (Page 63).
Excessive external load on the drive
input and output.
Check the load against rated data (you
might need to correct the belt tension,
Motor brake is not released.
Check circuit / connection of brake.
Check brake for wear and readjust if
Geared motor runs against backstop.
Change the direction of motor or back-
stop rotation.
drive input and
output.
Flexible elements worn (for exam-
ple, on couplings).
Replace flexible elements.
Positive connection disrupted by over-
load.
Belt tension too low (for belt drive).
Check the belt tension and replace belt
if necessary.