Mitsubishi MELSEC-F FX2N-1RM-E-SET, User Manual

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Diagnostics 11
11-2
FX
2N
-1RM-E-SET Programmable Cam Switch
< Errors written to BFM #29 >
The errors shown in the table below are written to BFM #29.
Each of these errors is written as an error code to BFM #29 in the FX
2N
-1RM, and can be read
from the PLC main body using a FROM instruction.
The same error code is also displayed on the data setting panel.
< Output status when an error has occurred >
RUN LED : Extinguished
ERR LED : Lit
"Operating" flag (BFM #28 b0) : OFF
Output : OFF
"Error" flag (BFM #28 b3) : ON
Error indication on data setting panel : Each error code is displayed in accordance with the
contents of the error occurred.
< Resetting an error >
The following three methods are available to reset an error.
1 ) Press the [CLR] key on the data setting panel.
2 ) Turn on the error reset (BFM #28 b3) by giving a TO instruction from the PLC main unit.
3 ) Turn off the power, then turn it on again.
Error
indication
Causes Countermeasures Target BFM
E20
Data outside the allowable range
was set. Reset the error status, and enter
correct data. BFM#1
BFM#1000
∼
7144
E21
Any bank No. other than 0 to 7 was
specified. Reset the error status, and enter a
correct bank No.
BFM#2
E22
Data was not able to be written to
the EEPROM due to an abnormality
in the memory. The memory may be destroyed.
Replace the unit. Or contact
Mitsubishi Electric System Service

E23
The resolver was not connected
while teaching was performed or
the reference angle was set.
Or something was wrong with the
cable (disconnection, etc.).
Turn off the power, and connect the
resolver.
Or replace the cable.
