Cleaning Instructions - WEG CFW100 User Manual

Component
Terminals, connectors
Fans / Cooling systems
Printed circuits boards
Power module / Power
connections
DC bus capacitors
(Dc link)
Power resistors
Heatsink
(*) The CFW100 fan 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 inverter power supply and wait for 10 minutes.
„
Remove the dust from the cooling air inlet by using a soft brush or cloth.
„
Remove the dust from the heatsink fins and from the fan blades by using compressed air.
„
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Table 6.3: Recommended periodic inspections – every 6 months
Abnormality
Loose screws
Loose connectors
Dirty fans
Abnormal acoustic noise
Blocked fan
(*)
Abnormal vibration
Dust in the cabinet air filter
Accumulation of dust, oil, humidity, etc.
Odor
Accumulation of dust, oil, humidity, etc.
Loose connections screws
Discoloration / odor / electrolyte leakage
Expanded or broken safety valve
Frame expansion
Discoloration
Odor
Accumulation of dust
Dirt
Troubleshooting and Maintenance
Tighten
Clean
Replace the fan
Clean or replace
Clean
Replace
Clean
Tighten
Replace
Replace
Clean
Figure 6.1 on page 38.
Corrective Action