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TROUBLESHOOTING
D SERIES CONTROLLER
TROUBLESHOOTING AND COMPONENT REPLACEMENT
1-116 August 9, 2005
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ERROR CODE E4004 Communication retry error.
Communication retry error during Host Communication I.
Main causes include:
1. No response after sending text.
2. After text is sent, NAK (resend request) exceeded the allowed number of retries.
⇒
Ensure communication protocol used for Host Communication I is correct.
⇒
Check the communication cable and replace as necessary.
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ERROR CODE E4005 Communication process was stopped.
During Host Communication I, a stop monitor command (ABORT, PCABORT, etc.) is
executed during execution of SEND/RECEIVE.
⇒
Re-execute the EXECUTE, PCEXECUTE, etc. command.
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ERROR CODE E4006 Receive no data after request.
During Host Communication I, text data is not received within the allowed time after the
data request is sent.
⇒
Ensure communication protocol used for Host Communication I is correct.
⇒
Check the communication cable and replace as necessary.
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ERROR CODE E4007 Receiving data is too long (MAX=255 character).
During Host Communication I, an attempt to receive a string with more than 255 charac-
ters is made.
⇒
Ensure communication protocol used for Host Communication I is correct.
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ERROR CODE E4008 Abnormal data (EOT) received in communication.
During Host Communication I, abnormal code (EOT) is received and the communication
process is stopped.
⇒
Ensure communication protocol used for Host Communication I is correct.
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