Scr/Diode Modules - Danfoss VLT FC Series Service Manual
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- Operating instructions manual (64 pages) ,
- Operating manual (26 pages) ,
- Installation manual (12 pages)
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E1h–E4h Drive Disassembly a...
13.2.8 SCR/Diode Modules
E1h–E4h drives have 3 SCR/diode modules. To remove or
reinstall an SCR/diode module, use the following steps.
Refer to Illustration 13.7.
Disassembly
1.
Remove the inrush card frame and rectifier bus
plates. Refer to chapter 13.2.7 Inrush Card Frame
and Rectifier Bus Plates.
2.
Remove the input plate option. Refer to
chapter 13.2.10 Split Input Plate with Options.
3.
Remove 1 screw (T40), which connects the SCR
input busbar to the SCR.
4.
Remove 1 nut (8 mm) from the SCR input busbar.
Remove the busbar from the drive.
5.
Disconnect the cable from the SCR/diode module.
6.
Remove 4 screws (T25), 1 from each corner of the
SCR/diode module.
7.
Remove the SCR/diode module from the drive.
MG94A502
Service Guide
Reassembly
For reassembly, use the SCR/diode module spare part
instructions that come with the parts kit.
Danfoss A/S © 02/2019 All rights reserved.
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Troubleshooting
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Questions and answers
How do I clear log S:28[M26] in my danfoss vfd
How can clear log S:28[M26]in my danfoss vfd
To clear log S:28[M26] in your Danfoss VLT FC Series VFD, reset the unit. This clears alarms and warnings, as noted for similar faults like ALARM 78. Make sure the issue causing the log has been resolved before resetting.
This answer is automatically generated