BA 5200 EN 08/2010
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 the 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 12:
Faults, causes and remedy
Faults
Causes
Remedy
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.
Loud noises in the area
of the gearunit fastening.
Tighten bolts / nuts to specified
torque.
Tighten bolts / nuts to specified
torque.
Replace damaged bolts / nuts.
Increased temperature
at the bearing points.
Oil level in gearunit housing too low
or too high.
Oil too old.
Oilsupply system 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 the oilsupply system,
replace any defective parts. Consult
operating instructions for oilsupply
system.
Contact Customer Service.
Check and, if necessary,
replace bearings.
Exterior of gear unit is oiled up.
Inadequate sealing of housing
covers and/or joints.
Seal joints.
