WEG CFW-11W G2 RB Series User Manual page 92

Component
Terminals, connectors
Fans/Ventilation systems
Printed circuit boards
Power module/Power connections
Power resistors
Heatsink
Figure 6.2: Change the fans of UP11 G2 (air cooling))
Table 6.4: Periodic inspections every six months
Anomalies
Loose Screws
Loose Connectors
Dirt on the fans
Abnormal noise
Fan stopped
Abnormal vibration
Dust on the panel air filters
Buildup of dust, oil, moisture, etc.
Smell
Buildup of dust, oil, moisture, etc.
Loose connection screws
Discoloration
Smell
Dust buildup
Dirt
Troubleshooting and Maintenance
Corrective Action
Tighten
Clean
Replace fan Refer to
6-9. Check fan connections
Clean or replace
Clean
Replace
Clean
Tighten
Replace
Clean
CFW-11MW G2 RB | 6-9
6
Figure 6.2 on page