Mitsubishi Electric L26CPU-BT User Manual page 339

*1 The programming tool is required to check the trouble contents.
*2 Page 337, Section 15.1.1 (1)
*3 Page 339, Section 15.1.2
*4 The item corresponds to the number of the check item in "When disconnecting a device station". Refer to the
corresponding check item and take the action. (
(1) When the master station "RUN" LED is off
Start
A
No
RUN LED on
Is power being
Yes
supplied to the power
supply module?
No
Supply power to the
power supply module.
A
Completed
*1 Page 338, Section 15.1.1 (2)
Yes
Yes
Is the LED
of the power supply
module lit?
No
programmable controller
CPU being reset?
Power supply module H/W failure
Replace the power supply module
H/W.
Overcurrent protective circuit in
operation
Cancel the resetting of the
Confirm the current consumption of
programmable controller CPU.
the mounted module.
CHAPTER 15 TROUBLESHOOTING
Page 345, Section 15.2.1)
Is the
No
Yes
Is the module
mounted correctly?
No
Remove the module
and mount it again.
Yes
15
Perform the common
module check procedure. *1
337