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TROUBLESHOOTING
D SERIES CONTROLLER
TROUBLESHOOTING AND COMPONENT REPLACEMENT
1-2 August 9, 2005
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1.0 TROUBLESHOOTING
This unit provides error recovery flowcharts, error code information, and error code
troubleshooting flow charts. In addition, typical causes and remedies for the errors are
also provided.
1.1 ERROR RECOVERY
Figures 1-1 and 1-2 show troubleshooting processes that may be helpful if the controller
becomes unresponsive to commands or an error code has been encountered that
cannot be cleared. Troubleshooting should begin with confirmation of basic integrity of
the system: ensure that the power supply is on and meeting supply requirements, all
cables are correctly attached, all circuit boards are properly installed and fully seated, all
peripheral equipment is wired correctly, software is properly configured, etc.