User`s manual

8-6
(2) Check flow 2
(3) Check flow 3
- Operation of program check
Is operation of control module normal?
Check power voltage of power terminal of the control module.
LED error
Y
N
Replace the control module
Within the range of input voltage
specification?
Check external wiring or external power supply etc.
Replace the control module
N
Y
Enter operation mode using a hand-held programmer
Does the JW300 enter
operation mode?
Recovery
Y
N
NG
Does the JW300 enter
operation mode?
Recovery
Exchange the control module
Y
N
Is operation stopped
at the option module?
Replace the control module
OK
Yes
Check program to see if infinite
loop or scan time may possibly
exceed 300 ms.*1
None
Revise the program (Then enter operation mode.)
*2
*1. Check that the value of system memory
#0160 is set to 31
HEX
*2. If the value of system memory #0160 is set to 31HEX,
clear the value (enter 00
HEX)
Start operation by using option module
ClearGrammar check Detection