
B–63445EN/01
7. TROUBLESHOOTING
167
EXAMPLE OF DISPLAY
AXIS NAME DETECTED
IS DISPLAYED
414 SERVO ALARM:X–AXIS
DETECTION
SYSTEM ERROR
Check details by Power Mate’s diagnostic fucntion and LED display on
the servo amplifier.
1
#7 #6 #5 #4 #3 #2 #1 #0
0200 LV OVC HCA HVA DCA FBA OFADGN
2 LED display on the front panel of servo amplifier.
STATUS
* An alarm detected on the servo amplifier is
also displayed at DGN 200.
7 segment LED
3
#7 #6 #5 #4 #3 #2 #1 #0
0204 OFS MCCDGN
#7 #6 #5 #4 #3 #2 #1 #0
0200 LV OVC HCA HVA DCA FBA OFADGN
#6(LV) : Low voltage alarm ³ LED : “2” or “3” is lishted.
#5(OVC) : Over current alarm
#4(HCA) : Abnormal current alarm ³ LED : “8” is lishted.
#3(HVA) : Over current alarm ³ LED : “1” is lishted.
#2(DCA) : Discharge alarm ³ LED : “4” or “5” is lishted.
#1(FBA) : Disconnection alarm
#0(OFA) : Overflow alarm
See the Maintenance Manual of FANUC SERVO MOTOR β series
(B–65235EN).
7.19
ALARM 414 (DIGITAL
SERVO SYSTEM IS
ABNORMAL)
Points
D When DGN200 shows
”1”
Procedure