3Com VFD-D D Refrigerator User Manual


 
Group 04: Door Open Parameters .................................................................................. 4-4 2
Group 05: Door Close Parameter....................................................................................4 -46
Group 06: Protection and Special Parameters................................................................. 4 -51
Group 07: Control Parameters ........................................................................................ 4 -57
Group 08: Multi-step Speed Parameters .........................................................................4 -60
Group 09: Communication Parameters ...........................................................................4 -61
Group 10: User-defined Parameters ............................................................................... 4 -71
Group 11: View User-defined Parameters ....................................................................... 4 -76
Chapter 5 Troubleshooting
5-1 Over Current (OC) ......................................................................................................5 - 2
5-2 Ground Fault (GFF) ....................................................................................................5 - 3
5-3 Over Voltage (OV).......................................................................................................5 - 4
5-4 Low Voltage (Lv) .........................................................................................................5 - 5
5-5 Over Heat (OH1).........................................................................................................5 - 6
5-6 Overload (OL) .............................................................................................................5 -7
5-7 Digital Display is Abnormal..........................................................................................5 - 8
5-8 Phase Loss (PHL).......................................................................................................5 - 9
5-9 Motor is not Running.................................................................................................5- 10
5-10 Fail to Adjust Motor Speed ......................................................................................5- 11
5-11 Motor Stalls During Acceleration..............................................................................5 -1 2
5-12 Motor Run Error ......................................................................................................5 -1 3
5-13 Electromagnetic/Induction Noise.............................................................................5- 14
5-14 Environmental Condition .........................................................................................5- 15
5-15 Prevent Interference to other Devices.....................................................................5 -1 6
Chapter 6 Fault Codes and Descriptions
6-1 Common Problems and Solutions...............................................................................6 - 2
6-2 Maintenance and Inspectations...................................................................................6 - 7
Appendix A Specifications ................................................................................................................. A -1
Appendix B How to Select AC Motor Drive........................................................................................ B -1
B-1 Capacity Formula .......................................................................................................B - 2
B-2 General Precautions...................................................................................................B - 4
B-3 How to Choose a Suitable Motor ................................................................................B - 5