
APPENDIXA. ALARM LIST
B–63465EN/01
110
The details of serial pulse coder alarm are displayed in the diagnosis
display (No. 202 and No. 203) as shown below.
#7
202
#6
CSA
#5
BLA
#4
PHA
#3
PCA
#2
BZA
#1
CKA
#0
SPH
SPH : The serial pulse coder or feedback cable is defective. Replace the serial
pulse coder or cable.
CKA : The serial pulse coder is defective. Replace it.
BZA : The pulse coder was supplied with power for the first time.
Make sure that the batteries are connected.
Turn the power off, then turn it on again and perform a reference position
return.
PCA : The serial pulse coder is defective. Replace it.
PHA : The serial pulse coder or feedback cable is defective. replace the serial
pulse coder or cable.
BLA : The battery voltage is low. Replace the batteries.
CSA : The serial pulse coder is defective. Replace it.
#7
DTE203
#6
CRC
#5
STB
#4
PRM
#3 #2 #1 #0
PRM : An invalid parameter was found. Alarm No. 417 (invalid servo
parameter) is also issued.
STB : The serial pulse coder encountered a communication error.
The pulse coder, feedback cable, or feedback receiver circuit is defective.
Replace the pulse coder, feedback cable, or servo card.
CRC : The serial pulse coder encountered a communication error.
The pulse coder, feedback cable, or feedback receiver circuit is defective.
Replace the pulse coder, feedback cable, or servo card.
DTE : The serial pulse coder encountered a communication error.
The pulse coder, feedbak cable, or feedback receiver circuit is defective.
Replace the pulse coder, feedback cable, or servo card.
4) Servo alarms
Number Message Contents
410 SERVO ALARM: n–TH AXIS –
EXCESS ERROR
The position deviation value in the n–th axis exceeds the value set in
parameter.
413 SERVO ALARM: n–th AXIS – LSI
OVERFLOW
The contents of the error register for the n–th axis (axis 1 to 8) exceeded
"2
31
power. This error usually occurs as the result of an improperly set
parameters.
D The details of serial
pulse coder alarm