APPENDIXA. ALARM LIST
B--63005EN/02
700
Number ContentsMessage
462 n AXIS : SEND CNC DATA FAILED Because of an FSSB communication error, a slave could not receive
correct data.
463 n AXIS : SEND SLAVE DATA
FAILED
Because of an FSSB communication error, the servo system could
not receive correct data.
464 nAXIS:WRITEIDDATAFAILED An attempt was made to write maintenance information on the ampli-
fier maintenance screen, but it failed.
465 n AXIS : READ ID DATA FAILED At power--up, amplifier initial ID information could not be read.
466 n AXIS : MOTOR/AMP COMBINA-
TION
The maximum current rating for the amplifier does not match that for
the motor.
467 n AXIS : ILLEGAL SETTING OF
AXIS
The servo function for the following has not been enabled when an
axis occupying a single DSP (corresponding to two ordinary axes) is
specified on the axis setting screen.
1. Learning control (bit 5 of parameter No. 2008 = 1)
2. High--speed current loop (bit 0 of parameter No. 2004 = 1)
3. High--speed interface axis (bit 4 of parameter No. 2005 = 1)
The details of servo alarm are displayed in the diagnosis display (No. 200
and No.204) as shown below.
#7
OVL200
#6
LV
#5
OVC
#4
HCA
#3
HVA
#2
DCA
#1
FBA
#0
OFA
#7 (OVL) : An overload alarm is being generated.
#6 (LV) : A low voltage alarm is being generated in servo amp.
#5 (OVC) : A overcurrent alarm is being generated inside of digital servo.
#4 (HCA) : An abnormal current alarm is being generated in servo amp.
#3 (HVA) : An overvoltage alarm is being generated in servo amp.
#2 (DCA) : A regenerative discharge circuit alarm is being generated in servo amp.
#1 (FBA) : A disconnection alarm is being generated.
#0 (OFA) : An overflow alarm is being generated inside of digital servo.
#7
ALD201
#6 #5 #4
EXP
#3 #2 #1 #0
When OVL equal 1 in diagnostic data No.200 (servo alarm No. 400 is
being generated):
#7 (ALD) 0 : Motor overheating
1 : Amplifier overheating
When FBAL equal 1 in diagnostic data No.200 (servo alarm No. 416 is
being generated):
ALD EXP Alarm details
1 0 Built--in pulse coder disconnection (hardware)
1 1 Separately installed pulse coder disconnection
(hardware)
0 0 Pulse coder is not connected due to software.
D Details of servo alarm