Yamaha RCX222, User Manual

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Chapter
9
TROUBLESHOOTING
RPB Transmit Error!! (Time Out Error)
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.
RPB Device Not Ready!! (Time Out Error)
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.
RPB RS-422 Error!! (RTS/CTS LINE Error)
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.
RPB RS-422 Error!! (DATA LINE Error)
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.
RPB Memory Error!! (DATA Write Error)
Contents : Internal memory is defective.
Cause : Internal memory circuit is defective.
Action : Replace the RPB.
RPB Receive Error!! (Buffer Overflow)
Contents : Remaining capacity of data receive data buffer fell below 1 %.
Cause : a. Massive amount of data was sent from controller.
b. Communication control error.
Action : 1. Replace the RPB.
2. Replace the controller.
1. Error Messages