Run" Led Is Extinguished; Run" Led Flickers; Err" Led Flickers; Err" Led Is Lit - Mitsubishi Q68TD-G-H01 User Manual

8
TROUBLESHOOTING
8.2 Troubleshooting
8.2.1
Check Item
Check that power is supplied.
Check that the capacity of the power supply module is
sufficient.
Check for a watchdog timer error.
Check whether the modules are loaded normally on the base
unit.
Is a module change enabled during an online module
change?
8.2.2
Check Item
Check whether the module is in the offset/gain setting mode
or not.
8.2.3
Check Item
Check whether the switch 5 of the intelligent function module
switches is "other than 0".
8.2.4
Check Item
Check for an error.
8
- 4 8.2 Troubleshooting

8.2.1 "RUN" LED is extinguished

"RUN" LED is extinguished
Table 8.2 "RUN" LED is extinguished

"RUN" LED flickers

Table 8.3 "RUN" LED flickers

"ERR" LED flickers

Table 8.4 "ERR" LED flickers

"ERR" LED is lit

Table 8.5 "ERR" LED is lit
Confirm that the supply voltage of the power supply module
is within the rated range.
Calculate the current consumption of the CPU, I/O, intelligent
function and other modules loaded on the base unit, and
make sure that the power supply capacity is enough.
Reset the programmable controller CPU and verify that it is
lit. If the "RUN" LED does not light even after doing this, the
module may be malfunctioning. Please consult your local
Mitsubishi representative.
Check the module loading status.
Refer to CHAPTER 7 and take corrective action.
Reset the switch 4 in the intelligent function module switch
setting of GX Developer to set to the normal mode. (Refer to
Section 4.5)
Set 0 for the switch 5 of the intelligent function module switch
setting of GX Developefor. (Refer to Section 4.5)
Check the error code and take the action given in Section
8.1.
Remedy
Remedy
Remedy
Remedy