Canon G3 Error Code List page 140

Chapter 2: Service Error Codes
##509 [ TX/RX ] The end of the tonal signal from the other
Cause
• The line suffered large noise.
##511 [ TX/RX ] The combination of the operation control
Cause
• An operation control board and a system
control board from different models were
combined, and the power was turned on.
party cannot be detected
Remedy
• Contact the telephone company, and ask
for maintenance of the line.
board and the system control board is
wrong
Remedy
• Check the parts numbers in the Parts Cata-
log, and be sure that the combination is
correct.
2-80