Chapter 13 Troubleshooting
13-9
(c)
Operation stopped (RUN stopped)
During normal operation, the CPU suddenly stops (the RUN LED turns off).
NO
YES
NO
YES
13
12
11
1F
Check the power supply
•
Instantaneous power failure
occurs
•
Power is shut off on the
expansion unit side
Contact our service department
if a fatal error occurs frequently
Turn the power off and turn it
back on
Check the program
Check parameters
Check I/O assignment
•
Parameter settings
•
Program congestion
•
Check I/O assignment
•
Duplicate use of the timer
counter
•
Retransfer of program
•
Connection with the expansion
connector
POWER LED is lit
(Power supply is
normal)
Fatal CPU error
Self-diagnostic error code
Summary of Contents for HIDIC MICRO-EH
Page 1: ...HITACHI PROGRAMMABLE CONTROLLER APPLICATION MANUAL NJI 350B X ...
Page 12: ...MEMO ...
Page 14: ...Chapter 1 Features 1 2 MEMO ...
Page 50: ...Chapter 4 Product lineup and wiring 4 18 MEMO ...
Page 196: ...Chapter 5 Instruction Specifications 5 146 ...
Page 263: ...Chapter 11 Communication Specifications 11 10 MEMO ...