Mitsubishi Electric NZ2GFSS2 32D S1 User Manual page 130

When the safety remote I/O module cannot be accessed
Check item
Is the D LINK LED on?
Is the version of the module on the master
station correct?
Is the version of the engineering tool
correct?
Do the module parameter settings of the
master station and those of the CPU
module match?
10 TROUBLESHOOTING
128
10.4 Troubleshooting by Symptom
Action
Check the D LINK LED. When the LED is not on, refer to the following to perform troubleshooting.
• Page 124 When the D LINK LED turns off
• Page 124 When the D LINK LED flashes
Refer to the following to check other LEDs.
Page 123 Checking the LEDs
Check the firmware version of the module on the master station, and if the version is not the applicable one,
replace the module with a module of the applicable version or later. For the applicable version, refer to the
following.
Page 46 Applicable products
Check the version of the engineering tool, and if the version is not the applicable one, update the engineering
tool. For the applicable version, refer to the following.
Page 46 Software package
Perform "Verify With PLC" on the module parameters to check that those settings match. When they do not
match, execute "Write to PLC" and "Read from PLC" to match the module parameter settings, and write the
module parameters of the device station.