Ricoh BE-C1 D046 Field Service Manual page 500

5. Appendix: Service Call Conditions
Group 600: Communication
SC628 B
5
SC629 B
SC632 B
SC633 B
52
Fan folder communication error 1
The main machine issued a timeout three failed attempts to communicate with the
fan folder unit. Possible causes:
• There was no answer from the fan folder within 100 ms in response to data
sent from the main machine.
• The fan folder unit was switched off while folding was in progress.
• The main machine received an illegal command from the fan folder.
• 60 sec. after the main machine fed the document to the fan folder, the fan
folder failed to notify the main machine that the folded document has exited
the fan folder.
• Fan folder not connected to main machine
• Fan folder main control unit connector loose, broken, defective
• Fan folder main control unit defective
Fan folder communication error 2: Cross Folder
There was no answer from the fan folder within 100 ms in response to data sent
from the main machine.
• Fan folder not connected to main machine
• Fan folder main control unit connector loose, broken, defective
• Fan folder main control unit defective
Key/card counter device error 1
After 1 data frame is sent to the device, an ACK signal is not received within 100
ms, and is not received after 3 retries.
• The serial line from the device to the copier is unstable, disconnected, or
defective.
Key/card counter device error 2
During communication with the device, the BCU received a break (Low) signal.
• The serial line from the device to the copier is unstable, disconnected, or
defective.
GW
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