Rs-232C Communication Errors - Yamaha RCX40 User Manual

1. Error Messages

[14] RS-232C communication errors

14.1 : Communication error
14.2 : Parity error
14.11 : Receive buffer overflow
14.12 : CMU is not ready
9
14.20 : Too many Command characters
14.21 : No return code (C/R)
30
9-
Code : &H0E01
Meaning/Cause : a. During external communication via the RS-232C, an error
b. An overrun error or framing error occurred via the RS-232C.
c. Power supply for external device turned on or off after con-
Action
: 1. Change to a correct system environment for RS-232C. (Do
2. Replace the communications cable.
3. Check the communication parameter settings.
Code : &H0E02
Meaning/Cause : During external communication via the RS-232C, an error occurred.
Action : Check the communication parameter settings.
Code
: &H0E0B
Meaning/Cause : Communication receive buffer exceeded permissible capacity.
Action : 1. Delay the communication parameter speed (baud rate).
2. Change communication parameter so that flow control is
Code
: &H0E0C
Meaning/Cause : Could not sent data from controller because receive prohibit
status of other party continued for more than 10 seconds.
Action
: 1. Replace the communications cable.
2. Check that flow control is normal in software processing for
Code : &H0E14
Meaning/Cause : 1. Off-line command character string in 1 line exceeded 80 letters.
2. Command statement created with a remote command ex-
Action
: 1. Limit number of characters in 1 line for an off-line command
2. Check the command data of the remote command.
Code : &H0E15
Meaning/Cause : 1. Character string in 1 line exceeded 75 letters.
2. CR code (0Dh) was not added at end of line.
Action : 1. Limit number of characters in 1 line to 75 letters.
2. Add a CR code at the end of a single line.
occurred.
necting communication cable with the external device.
not install near sources of noise.)
enabled.
other party.
ceeded 80 letters.
to 80 letters or less.