Cleaning Instructions - WEG CFW300 Manual Del Usuario

Maintenance
Fan replacement
Electrolytic If the inverter
capacitors is stocked (not
being used):
"Reforming"
Inverter is being
used: replace
Table 6.3: Recommended periodic inspections - every 6 months
Component
Terminals, connectors
Fans / Cooling systems
(*)
Printed circuits boards
Power module / Power
connections
DC Link capacitors
Power resistors
Heatsink
(*) The CFW300 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 fan blades by using compressed air.
„
Table 6.2: Preventive maintenance
Interval
After 40.000 operating hours
Every year from the
manufacturing date printed on
the inverter identification label
(refer to Section 2.5 RECEIVING
AND STORAGE on page 11).
Every 10 years
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 size expansion
Discoloration
Odor
Accumulation of dust
Dirt
Figure A5 on page 127.
Troubleshooting and Maintenance
Instructions
Replacement
Apply power to the inverter (voltage between
220 and 230 Vac, single-phase/three-phase or
DC (according to the model of the inverter), 50 or
60 Hz) for at least one hour. Then, disconnect
the power supply and wait at least 24 hours
before using the inverter (reapply power)
Contact WEG technical support to obtain
replacement procedures
Corrective Action
Tighten
Clean
Replace the fan
Clean or replace
Clean
Replace
Clean
Tighten
Replace
Replace
Clean
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