Protective functions
Causes and corrective actions
FR-A800
6 - 17
Operation panel
indication
MT1 to MT3
to
FR-LU-08
MT1 to MT3
Name
Maintenance signal output 1 to 3
Description
Appears when the inverter's cumulative energization time reaches or exceeds the parameter set
value. Set the time until the MT is displayed using Pr. 504 "Maintenance timer 1 warning output
set time" (MT1), Pr. 687 "Maintenance timer 2 warning output set time" (MT2), and Pr. 689
"Maintenance timer 3 warning output set time" (MT3).
MT does not appear when the settings of Pr. 504, Pr. 687, and Pr. 689 are initial values (9999).
Check point
The set time of maintenance timer has been exceeded. (Refer to page 5-235.)
Corrective action
Take appropriate countermeasures according to the purpose of the maintenance timer setting.
Setting "0" in Pr. 503 "Maintenance timer 1", Pr. 686 "Maintenance timer 2", and Pr. 688
"Maintenance timer 3" clears the indication.
Operation panel
indication
UF
FR-LU-08
UF
Name
USB host error
Description
Appears when an excessive current flows into the USB A connector.
Check point
Check if a USB device other than a USB memory device is connected to the USB A connector.
Corrective action
앫
If a device other than a USB memory device is connected to the USB A connector, remove
the device.
앫
Setting Pr. 1049 "USB host reset "= "1" or inverter reset clears the UF indication.
Operation panel
indication
HP1 to HP3
to
FR-LU-08
HP1 to HP3
Name
Home position return error
Description
Appears when an error occurs during the home position return operation under position
control. For the details, refer to page 5-173.
Check point
Identify the cause of the error occurrence.
Corrective action
Check the parameter setting, and check that the input signal is correct.
Operation panel
indication
LDF
FR-LU08
LDF
Name
Load fault warning
Description
Appears when the load is deviated from the detection width set in Pr.1488 "Upper limit warning
detection width" or Pr.1489 "Lower limit warning detection width".
Check point
앫
Check if too much load is applied to the equipment, or if the load is too light.
앫
Check that the load characteristics settings are correct.
Corrective action
앫
Inspect the equipment.
앫
Set the load characteristics (Pr.1481 to Pr.1487) correctly.
Summary of Contents for FR-A820-00046 (0.4K)
Page 2: ......
Page 4: ......
Page 144: ...System configuration for Ethernet communication FR A800 E Installation and wiring 2 114 ...
Page 202: ...Basic operation procedure JOG operation Basic operation 4 32 ...
Page 1090: ...Check first when you have a trouble Protective functions 6 50 ...
Page 1189: ...Appendix EC Declarations of Conformity FR A800 A 49 ...
Page 1190: ...EC Declarations of Conformity Appendix A 50 ...
Page 1191: ...Appendix EC Declarations of Conformity FR A800 A 51 ...
Page 1192: ...EC Declarations of Conformity Appendix A 52 ...
Page 1193: ...Appendix EC Declarations of Conformity FR A800 A 53 ...
Page 1194: ...EC Declarations of Conformity Appendix A 54 ...
Page 1195: ...Appendix EC Declarations of Conformity FR A800 A 55 ...
Page 1196: ...EC Declarations of Conformity Appendix A 56 ...
Page 1197: ...Appendix EC Declarations of Conformity FR A800 A 57 ...
Page 1198: ...EC Declarations of Conformity Appendix A 58 ...
Page 1199: ...Appendix EC Declarations of Conformity FR A800 A 59 ...
Page 1200: ...EC Declarations of Conformity Appendix A 60 ...
Page 1201: ...Appendix EC Declarations of Conformity FR A800 A 61 ...
Page 1202: ...EC Declarations of Conformity Appendix A 62 ...
Page 1203: ...Appendix EC Declarations of Conformity FR A800 A 63 ...
Page 1204: ...EC Declarations of Conformity Appendix A 64 ...
Page 1205: ...Appendix EC Declarations of Conformity FR A800 A 65 ...
Page 1206: ...EC Declarations of Conformity Appendix A 66 ...
Page 1207: ...Appendix EC Declarations of Conformity FR A800 A 67 ...
Page 1208: ...EC Declarations of Conformity Appendix A 68 ...
Page 1209: ...Appendix EC Declarations of Conformity FR A800 A 69 ...
Page 1210: ...EC Declarations of Conformity Appendix A 70 ...
Page 1211: ...Appendix EC Declarations of Conformity FR A800 A 71 ...
Page 1212: ...EC Declarations of Conformity Appendix A 72 A 7 2 FR A846 series ...
Page 1213: ...Appendix EC Declarations of Conformity FR A800 A 73 ...
Page 1214: ...EC Declarations of Conformity Appendix A 74 ...
Page 1215: ...Appendix EC Declarations of Conformity FR A800 A 75 ...
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