
APPENDIX
B–62835EN/01
B. ALARM LIST
369
The details of serial pulse coder alarm No. 351 (communication alarm)
are displayed in the diagnosis display (No. 203) as shown below.
#7 #6 #5 #4 #3 #2 #1 #0
DTE
CRC
STB PRM203
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, base PCB, or
servo module.
The servo interface type (A or B) is incorrect.
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, base PCB, or
servo module.
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, base PCB, or servo
module.
PRM: An invalid parameter was found. Alarm 417 (invalid servo
parameter) is also issued.
D The details of serial
pulse coder alarm
No.351