Troubleshooting and Maintenance
CFW11W | 3-5
Table 3.2:
Preventive maintenance
Maintenance
Interval
Instructions
Replacement of the HMI battery
Every 10 year.
Refer to chapter 4 - HMI CFW-11M user
manual.
Replacement of the coolant of
the primary circuit
Every 5 years
Contact WEG technical support.
Monthly inspection
Once a month
Open the panel and check for leaks. If any
leaks are found, correct them.
Table 3.3:
Recommended periodic inspections every 6 months
Component
Abnormality
Corrective action
Terminals, connectors
Loose screws
Tighten
Loose connectors
Printed circuit boards
Accumulations of dust, oil, humidity, etc.
Cleaning
Odor
Replacement
Power module/ Power
connections
Accumulations of dust, oil, humidity, etc.
Cleaning
Loose connection screws
Tighten
Power resistors
Discoloration
Replacement
3.3.1.
Cleaning Instructions
When it is necessary to clean the inverter, follow the instructions below:
Electronic boards:
Disconnect the inverter power supply and wait at least 10 minutes.
Remove the dust from the electronic board by using an anti-static brush or an ion air gun (Charges
Burtes Ion Gun - reference A6030-6DESCO).
If necessary, remove the boards from the inverter.
Always wear a ground strap.
Summary of Contents for CFW-11W
Page 5: ...General Information CFW11W 1 2 Figure 1 2 Block Diagram of the CFW 11W...
Page 6: ...General Information CFW11W 1 3 Figure 1 3 UC 11 Main parts Figure 1 4 UP 11 Main parts...
Page 31: ...Optional Kits CFW11W 4 2...
Page 38: ...Technical Specifications CFW11W 5 7 5 3 MECHANICAL DATA Figure 5 2 UP11 dimensions mm in...
Page 41: ......
