Instruction manual
6. IN CASE OF TROUBLE
IMSRM15-E6
102
(2) H-DI, H-AI, H-TI module
Problem Probable cause Solution
RUN lamp does not flash Power line defect Replace mother block
Power supply section defect Replace H-PCP module
CPU section breakdown Replace module
RUN lamp stays lit Module different from system
specifications inserted
Replace with module matching
specifications
Maximum number of linkable
units exceeded
Eliminate a module
FAIL lamp lit up CPU section breakdown Replace module
No input values change System set to Unused mode Switch to Used mode
Main CPU section breakdown Replace H-PCP module
Bus line defect Replace mother block
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