Specifications

Appendix Troubleshooting

A - 4

A.2.2 QD-Motion controller

Fig. A-5: Troubleshooting flowchart for Q172DCPU and Q173DCPU

NOTE The procedure of fault finding for each event group (a) to (i), mentioned on the right side of the

above flowchart, is described in chapter 6 of the user’s manual of the motion controllers

Q172DCPU and Q173DCPU.

Error-occurrence description

"POWER" LED turns off

"." does not flash in the first digit of

7-segment LED

"A00" displays on 7-segment LED

"AL" 씮 "L01" displays on 7-segment LED

"AL" 씮 "A1" 씮 "첸" displays on

7-segment LED

"BT첸" displays on 7-segment LED

"…" displays on 7-segment LED

Servo amplifier does not start

"AL" 씮 "S01" displays on 7-segment LED

(a) "Flowchart for when "POWER LED" turns off"

(b) "Flowchart for when "." does not flash in the first digit of

7-segment LED"

(d) "Flowchart for when "AL" 씮 "L01" displays on 7-segment LED"

(e) "Flowchart for when "AL" 씮 "A1" 씮 "첸" displays on

7-segment LED"

(f) "Flowchart for when "BT첸" displays on 7-segment LED"

(g) "Flowchart for when "…" displays on 7-segment LED"

(h) "Flowchart for when the Servo amplifier does not start

(i) "Flowchart for when "AL" 씮 "S01" displays on 7-segment LED"