Chapter 2: Service Error Codes
##267
[ TX/RX ] Error occurred in the internal memory
Cause
• An internal unit is faulty (EEPROM write
error).
##271
[ RX ] After transmitting CFR, 1650 Hz (frequency
Cause
• An internal unit is faulty (EEPROM wire
error).
Remedy
• Replace the system control board.
• Replace the PCB that includes the modem.
component of a binary signal) was
detected; however, a binary signal cannot
be detected correctly within 10 sec
Remedy
• Replace the system control board.
• Replace the PCB that includes the modem.
2-42