Cleaning Instructions - WEG CFW501 Serie Manual Del Usuario

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 CFW501 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 correctly.
Remove the plastic cover and the plug-in module (refer to chapter
„
Connection and APPENDIX
Remove the dust accumulated on the cards using and anti-static brush using and/or
„
ion compressed air gun.
Always use grounding strap.
„
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
2
Removal of the fan
Figure 6.1: Removal of the heatsink fan
B).
Troubleshooting and Maintenance
Tighten
Cleaning
Replace fan
Cleaning or replacement
Cleaning
Replacement
Cleaning
Tightening
Replacement
Replacement
Cleaning
6.1.
3
Cable disconnection
Corrective Action
4
Cable disconnected
3 - Installation and
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