Yamaha RCX141, User Manual

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9
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roubleshooting
1. Error Messages
[14] RS-232C communication errors
14.1 : Communication error
Code
: &H0E01
Meaning/Cause
: a. During external communication via the RS-232C, an error
occurred.
b. An overrun error or framing error occurred via the RS-232C.
c. Power supply for external device turned on or off after con-
necting communication cable with the external device.
Action
: 1. Change to a correct system environment for RS-232C. (Do
not install near sources of noise.)
2. Replace the communications cable.
3. Check the communication parameter settings.
14.2 : Parity error
Code : &H0E02
Meaning/Cause
: During external communication via the RS-232C, an error occurred.
Action : Check the communication parameter settings.
14.11 : Receive buffer overflow
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
enabled.
14.12 : CMU is not ready
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
other party.
14.20 : Too many Command characters
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-
ceeded 80 letters.
Action
: 1. Limit number of characters in 1 line for an off-line command
to 80 letters or less.
2. Check the command data of the remote command.
14.21 : No return code (C/R)
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.