6. IN CASE OF TROUBLE
IMSRM02-E6
65
(1) PCP module related
Problem
Probable cause
Solution
RUN lamp does not light up
Power not being supplied
Check external breaker etc.
Appropriate power supply
voltage not being supplied
Check the power supply
Power supply terminal contact
defect
Retighten the terminals
Power supply section defect
Replace PCP module
RUN lamp stays lit
Module out of place
Install back in place
The module was not initialized
after the module configuration
was changed
Execute
Module initialization
or
return the configuration to its
original specifications
Data transmission and reception
(TX, RX) lamps not lit up
Operation panel or host computer
power not on
Check the power
Operation panel connection cable
disconnected
Inspect cable and replace as
necessary
CPU section defect
Replace PCP module
DO is not output
Output allocation defect
Check the allocation settings
Output circuit defect
Replace the PCP module
FAIL is output
PCP module CPU section, power
section defect
Replace the PCP module
FAIL is output
(but FAIL lamp not lit up)
RUN lamp stays lit
The module was not initialized
after the module configuration
was changed
Execute
Module initialization
or
return the configuration to its
original specifications
Module out of place
Install back in place
