Protective functions
Check first when you have a trouble
FR-A800
6 - 45
6.6.13
Unable to write parameter setting
6.6.14
Power lamp is not lit
Check
points
Possible cause
Countermeasure
Refer to
page
Input
signal
Operation is being performed (signal STF or
STR is ON).
Stop the operation.
When Pr. 77 "Parameter write selection" = "0"
(initial value), write is enabled only during a
stop.
Parameter
Setting
You are attempting to set the parameter in
the External operation mode.
Choose the PU operation mode.
Or, set Pr. 77 "Parameter write selection" = "2" to
enable parameter write regardless of the
operation mode.
Parameter write is disabled by the Pr. 77
"Parameter write selection" setting.
Check the Pr. 77 setting.
Key lock mode is enabled by the Pr. 161
"Frequency setting/key lock operation
selection" setting.
Check the Pr. 161 setting.
Operation mode and a writing device do
not correspond.
Check Pr. 79, Pr. 338 ", Pr. 339, Pr. 550 and Pr. 551,
and select an operation mode suitable for the
purpose.
앫
Pr. 72 "PWM frequency selection" was
attempted to be set to "25".
앫
Alternatively, PM sensorless vector
control was attempted while Pr. 72 =
"25".
Pr. 72 = "25" cannot be set under PM sensorless
vector control. (A sine wave filter (MT-BSL/BSC)
cannot be used under PM sensorless vector
control.)
Check
points
Possible cause
Countermeasure
Refer to
page
Main
Circuit,
Control
Circuit
Wiring or installation is improper.
Check for the wiring and the installation.
Power lamp is lit when power is supplied to the
control circuit (R1/L11, S1/L21).
Summary of Contents for FR-A800
Page 2: ......
Page 4: ......
Page 22: ...Contents XVIII ...
Page 30: ...Related manuals Introduction 1 8 ...
Page 122: ...Connection of stand alone option units Installation and wiring 2 92 ...
Page 180: ...Basic operation procedure JOG operation Basic operation 4 32 ...
Page 934: ...Check first when you have a trouble Protective functions 6 46 ...
Page 1031: ...Appendix EC Declarations of Conformity FR A800 A 47 ...
Page 1032: ...EC Declarations of Conformity Appendix A 48 ...
Page 1033: ...Appendix EC Declarations of Conformity FR A800 A 49 ...
Page 1034: ...EC Declarations of Conformity Appendix A 50 ...
Page 1035: ...Appendix EC Declarations of Conformity FR A800 A 51 A 5 2 EMC Directive ...
Page 1036: ...EC Declarations of Conformity Appendix A 52 ...
Page 1037: ...Appendix EC Declarations of Conformity FR A800 A 53 ...
Page 1038: ...EC Declarations of Conformity Appendix A 54 ...
Page 1039: ...Appendix EC Declarations of Conformity FR A800 A 55 ...
Page 1040: ...EC Declarations of Conformity Appendix A 56 ...
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