Yamaha CEmarking RCX221, User Manual

Page: 459 / 468

9-53
Chapter
9
TROUBLESHOOTING
1.2 RPB Error Messages
When a hardware error or a software error occurs in the RPB, the following messages are
highlighted (shown with reversed background) on the guideline of the lowest line of the
screen.
RPB TRAP!!
Contents : Undefined operation code was executed.
Cause : A hardware error occurred.
Action : Replace the RPB.
RPB Receive Error!! (Data Register Full)
Contents : Data receive register is full.
Cause : A hardware error occurred.
Action : Replace the RPB.
RPB Receive Error!! (Over Run Error)
Contents : An overrun occurred while receiving data.
Cause : a. Malfunction occurred due to noise.
b. The cable is broken or disconnected.
c. The connector is not making contact.
Action : 1. Separate equipment away from noise source.
2. Replace the RPB cable.
3. Replace the RPB.
RPB Receive Error!! (Parity Error)
Contents : Parity error occurred during communication.
Cause : a. Malfunction occurred due to noise.
b. The cable is broken or disconnected.
c. The connector is not making contact.
Action : 1. Separate equipment away from noise source.
2. Replace the RPB cable.
RPB Receive Error!! (Framing Error)
Contents : Framing error occurred during communication.
Cause : Malfunction occurred due to noise.
Action : Separate equipment away from noise source.
RPB Receive Error!! (Buffer Overflow)
Contents : Remaining area in receive buffer fell below 1% during
communications.
Cause : a. Large amount of data was sent from the controller.
b. Communication control error.
Action : 1. Replace the RPB.
2. Replace the controller.
1. Error Messages