Siemens SINAMICS G115D User Manual

Table 12-41 Faults, causes and remedies
Faults Causes Remedy
Unusual noise on
the gearbox.
Oil level too low. Check the oil level (Page514).
Foreign bodies in the oil (irregular
noise).
Checking the oil quality (Page517).
Cleaning the geared motor (Page437).
General safety instructions (Page514).
Excessive bearing play and/or bearing
defective.
Check the bearing and replace if neces‐
sary.
Defective gearing. Check the gearing and replace if neces‐
sary.
Fastening bolts loose. Checking the tightness of fastening
bolts (Page526).
Excessive external load on the drive in‐
put and output.
Check the load against rated data (you
might need to correct the belt tension,
for example).
Transport damage. Check the gearbox for damage in transit.
Damage due to blockage during com‐
missioning.
Call Technical Support.
Unusual noise
from the drive unit.
Drive unit bearing not lubricated (motor
size160 and higher).
Regrease the bearing (Page521).
Excessive bearing play and/or bearing
defective.
Check the bearing and replace if neces‐
sary.
Fastening bolts loose. Checking the tightness of fastening
bolts (Page526).
Unusual motor
noise.
Excessive bearing play and/or bearing
defective.
Check the bearing and replace if neces‐
sary.
Motor brake is rubbing. Check air gap and adjust if necessary.
Converter parameterization. Correct the parameterization.
Oil escapes. Incorrect oil level for the mounting posi‐
tion being used.
Check the mounting position
(Page527) and the oil level
(Page514).
Gearbox leaks. Checking the gearbox for leaks
(Page525).
Overpressure due to lack of venting. Mount the venting as appropriate for
the mounting position (Page527).
Overpressure due to soiled venting. Clean the venting (Page525).
Shaft sealing rings defective. Replace the shaft sealing rings.
Cover/󹪞ange bolts loose. Checking the tightness of fastening
bolts (Page526). Continue to monitor
the gearbox.
Surface sealing defective (e.g. on cover,
󹪞ange).
Reseal.
Damage in transit (e.g.hairline cracks). Check the gearbox for damage in transit.
Oil leak at the gear‐
box vent
Incorrect oil level for the mounting posi‐
tion used and/or incorrect venting po‐
sition.
Check the venting position, mounting
position (Page527) and the oil level
(Page514).
Frequent cold starts during which the oil
foams up.
Call Technical Support.
Additional information on the SIMOGEAR geared motor
12.3Speci󹪝c data gearbox
SINAMICS G115D Wall Mounted distributed drive
Operating Instructions, 07/2023, FW V4.7 SP14, A5E52808211A AA 511

Siemens SINAMICS G115D Specifications

General

Brand	Siemens
Model	SINAMICS G115D
Category	DC Drives
Language	English