Hitachi HIDIC MICRO-EH Applications Manual page 284

(c) Operation stopped (RUN stopped)
During normal operation, the CPU suddenly stops (the RUN LED turns off).
POWER LED is lit
(Power supply is
Self-diagnostic error code
11
Fatal CPU error
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
NO
normal)
YES
YES
12 13
1F
NO
13-9
Chapter 13 Troubleshooting
Check the power supply
• Instantaneous power failure
occurs
• Power is shut off on the
expansion unit side
Turn the power off and turn it
back on
Contact our service department
if a fatal error occurs frequently