Siemens SIMOTICS GP series - Faults at the External Fan; Deactivating

Operation
8.7 Deactivating
Standard motors SH 63 ... 355
Operating Instructions, 12/2018, A5E38483075A
95
X
X
Bearing corroded
Replace the bearing. Check the seals.
X
Too much grease in bearing
Remove surplus grease.
X
Wrong grease in the bearing
Use the correct grease.
X
Friction marks on raceway
Replace the bearing.
X Brinelling or scoring Replace the bearing. Avoid any vibration at standstill
8.6.5 Faults at the external fan
The following table shows the possible causes of and remedial measures for faults on
forced-ventilated machines.
Table 8- 4 Cooling system faults
↓ High temperature rise with load
Possible causes of faults
Remedial measures
X Wrong direction of rotation of the external fan Check the electrical connections to the external fan.
X
External fan is not running
Check the external fan and its connections.
X
Reduced air flow
Check the air ducts; clean the machine.
8.7 Deactivating
Commission any devices provided for protection against condensation after switching off the
machine.