Справочник Пользователя для Mitsubishi Electronics AJ65bt-r2
10 - 5
MELSEC-A
10 TROUBLESHOOTING
10.2 Confirming the error with the LED
The method for confirming the error with the R2 LEDs is explained in this section.
Refer to the programmable controller CPU and master module User's Manuals for
errors related to the programmable controller CPU and master module.
Refer to the programmable controller CPU and master module User's Manuals for
errors related to the programmable controller CPU and master module.
(1) When the R2 RUN LED turns OFF
Cause
Remedy
Incorrect switch setting
Correct the switch setting. (Section 4.4)
A watch dog timer error has
occurred.
occurred.
Turn the R2 power ON again or reset it.
If the RUN LED does not turn ON after the power is turned
ON again, there may be a problem in the hardware. Contact
your nearest dealer or sales office.
If the RUN LED does not turn ON after the power is turned
ON again, there may be a problem in the hardware. Contact
your nearest dealer or sales office.
(2) When the R2 L RUN LED turns OFF
Cause
Remedy
A watch dog timer error has
occurred.
occurred.
Turn the R2 power ON again or reset it.
If the RUN LED does not turn ON after the power is turned
ON again, there may be a problem in the hardware. Contact
your nearest dealer or sales office.
If the RUN LED does not turn ON after the power is turned
ON again, there may be a problem in the hardware. Contact
your nearest dealer or sales office.
The cable is
disconnected/short-circuited
disconnected/short-circuited
Find the transmission cable that is disconnected or short-
circuited, and repair.
circuited, and repair.
The master station is in a link
stop
stop
Check whether an error has occurred in the master station.
The 24V power is not supplied
to the R2, or the voltage is
insufficient.
to the R2, or the voltage is
insufficient.
Check the 24V power supply voltage.
The station Nos. are duplicated.
Correctly set the station No. of the duplicate stations, and then
turn the power ON again or reset it.
turn the power ON again or reset it.
The setting switch is not set
within the range (station No. 0
or 65 or more, transmission
speed other than 0 to 4).
within the range (station No. 0
or 65 or more, transmission
speed other than 0 to 4).
Correctly set the setting switch, and then turn the power ON
again or reset it.
again or reset it.