
8. ALARM LIST
497
D The details of serial pulse coder alarm
The details of serial pulse coder alarm are displayed in the diagnosis
display (DGN202, 203) as shown below.
#7
#6 #5 #4 #3 #2 #1 #0
202
CSA BLA PHA PCA BZA CKA 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
#6 #5 #4 #3 #2 #1 #0
203
DTE CRC STB PRM
PRM : An invalid parameter was found. ALM417 (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 NC–axis
board.
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 NC–axis board.
DTE : 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 NC–axis board