Yamaha RCX240 User Manual page 604

[ 0] Warnings and messages 1. Error messages
RPB Transmit Error!! (Time Out Error)
A 1
2
RPB Device Not Ready!! (Time Out Error)
3
4
RPB RS-422 Error!! (RTS/CTS LINE Error)
5
6
RPB RS-422 Error!! (DATA LINE Error)
7
RPB Memory Error!! (DATA Write Error)
8
RPB Receive Error!! (Buffer Overflow)
9
10
A-82 A-82
Chapter 10 TROUBLESHOOTING TROUBLESHOOTING
Contents : Transmitting to controller is impossible.
Cause : a. The cable is broken or disconnected.
b. No response from controller due to problem in CPU unit.
Action : 1. Replace RPB cable.
2. Replace the RPB.
3. Replace the controller.
Contents : Cannot control the controller.
Cause
: a. The cable is broken or disconnected.
b. Handshake with controller is defective due to problem with
controller.
Action : 1. Replace RPB cable.
2. Replace the RPB.
3. Replace the controller.
Contents : Cannot control the controller.
Cause : a. The cable is broken or disconnected.
b. Controller operation is abnormal.
c. The connector is not making contact.
Action : 1. Replace the RPB cable.
2. Replace the controller.
Contents : Data communication with controllers is defective.
Cause : a. The cable is broken or disconnected.
b. The connector is not making contact.
Action : 1. Replace the RPB cable.
2. Replace the controller.
Contents : Internal memory is defective.
Cause : Internal memory circuit is defective.
Action : Replace the RPB.
Contents : Remaining capacity of data receive data buffer fell below 1 percent.
Cause : a. Massive amount of data was sent from controller.
b. Communication control error.
Action : 1. Replace the RPB.
2. Replace the controller.