Mitsubishi Q170MCPU User Manual page 155

6 INSPECTION AND MAINTENANCE
"AL" "L01" displays on 7-segment
LED.
Confirm details of error by Motion
CPU error batch monitor of
MT Developer2.
Does a ROM ERROR
occur?
NO
Does a LAY ERROR
(SL**) occur?
NO
Set by relative check of the system
setting not to occur a error, and write
the setting to the Motion CPU area
(CPU No.2 fixed).
Reset the Motion controller.
Does "A00" "L01"
disappear on 7-segment
LED?
YES
END
(d) Flowchart for when "AL"
""AL" (flashes 3 times)
setting error occurrence.
The following shows the flowchart for when ""AL" (flashes 3 times)
Steady "L01" display" displays during operation.
YES
Is ROM operation executed?
Set a rotary switch1 (SW1) to "0", a
rotary switch2 (SW2) to "6" of Motion
controller, and then execute ROM
writing.
Check that the installed modules
YES
correspond to system setting and
correct details of error.
NO
"L01" displays on 7-segment LED
Steady "L01" display" displays at the system
NO
YES
6 - 20
Set a rotary switch1 (SW1) to "0", a
rotary switch2 (SW2) to "0" of Motion
controller.
(Mode operated by RAM)