BA 5230 en 04/2011
9.
Faults, causes and remedy
Observe the instructions in section 3, "Safety instructions", and in section 10, "Maintenance and repair"!
9.1
General information on faults and malfunctions
Faults and malfunctions occurring during the guarantee period and requiring repair work on the
gear unit must be carried out only by Siemens customer service.
In case of faults and malfunctions occurring after the guarantee period and whose cause
cannot be precisely identified, we advise our customers to contact our customer service.
Siemens will not be bound by the terms of the guarantee or otherwise be responsible
in cases of improper use of the gear unit, modifications carried out without Siemens’
agreement or use of spare parts not supplied by Siemens.
To remedy faults and malfunctions, the gear unit must always be taken out of service.
Secure the drive unit to prevent it from being started up unintentionally.
Attach a warning notice to the start switch!
9.2
Possible faults
Table 13:
Faults, causes and remedy
Faults
Causes
Remedy
Loud noises in the area of the
gearunit fastening.
Gearunit fastening has worked
loose.
Tighten bolts / nuts to specified
torque.
Replace damaged bolts / nuts.
Changes in gearunit noise.
Damage to gear teeth.
Excessive bearing play.
Bearing defective.
Contact Customer Service.
Check all toothed components
and replace any damaged parts.
Contact Customer Service.
Adjust bearing backlash.
Contact Customer Service.
Replace defective bearings.
Increased temperature at the
bearing points.
Oil level in housing too low.
Oil too old.
Mechanical oil pump defective.
Bearing defective.
Check oil level at room
temperature and, if necessary,
top up oil.
Check date of last oil change and,
if necessary, change oil.
See section 10.
Check and, if necessary,
replace oil pump.
Contact Customer Service.
Check and, if necessary,
replace bearings.
