Instruction manual
6. IN CASE OF TROUBLE
IMSRM15-E6
104
Continued from the previous page.
Problem Probable cause Solution
Specific input value does not
change
Sensor break Replace sensor
Terminal improperly tightened Tighten more
System set to Unused mode Switch to Used mode
Input circuit, CPU breakdown Replace module
Control unstable PID constant values
inappropriate
Execute autotuning and change
the PID constant settings
Terminal improperly tightened Tighten more
External operating device
operation defects
Inspect the external operating
device
Output circuit, CPU breakdown Replace module