Cleaning Instructions - WEG CFW500 Manual Del Usuario

Troubleshooting and Maintenance
Component
Terminals, connectors
Fans /Cooling systems
(*)
Printed circuit boards
Power module/Power
connections
DC bus capacitors
(DC link)
Power resistors
Heatsink
(*) The fan of the CFW500 can be easily replaced as shown in

6.5 CLEANING INSTRUCTIONS

When it is necessary to clean the inverter, follow the instructions below:
Ventilation system:
Disconnect the power supply of the inverter and wait for 10 minutes.
„
Remove de dust accumulated in the ventilation opening using a plastic brush or cloth.
„
Remove the dust accumulated on the fins of the heatsink and fan blades using compressed air.
„
1
Release of the locks of
the fan cover
Cards:
Disconnect the power supply of the inverter and wait for 10 minutes.
„
Disconnect all the cables of the inverter, identifying all of them in order to reconnect them
„
36 | CFW500
Table 6.3: Periodic inspection at every 6 months
Abnormality
Loose screws
Loose connectors
Dirty fans
Abnormal acoustic noise
Blocked fan
Abnormal vibration
Dust in the air filters
Accumulation of dust, oil, humidity, etc.
Odor
Accumulation of dust, oil, humidity, etc.
Loose connection screws
Discoloration/odor/electrolyte leakage
Safety valve expanded or broken
Frame expansion
Discoloration
Odor
Accumulation of dust
Dirt
Figure 6.1 on page
2
Removal of the fan
Figure 6.1: Removal of the heatsink fan
Corrective Action
Tighten
Cleaning
Replace fan
Cleaning or replacement
Cleaning
Replacement
Cleaning
Tightening
Replacement
Replacement
Cleaning
36.
3
Cable disconnection
4
Cable disconnected