Title: Graphos Fault Finding and Troubleshooting Guide
Part Number 667/HE/31200/000 Issue 2 Page 11 of 39
5.4 Hardware Fault Code (D9)
5.4.1 Fault Summary
Invalid setting for the sign illumination time.
5.4.2 Reason(s) for fault:
This fault is due to one of the following conditions:
• There has been an Invalid setting selected on the site configuration plug for the sign illumination
time (FP0 – FP3)
5.4.3 Identification and rectification:
1. Refer to the configuration section of the main handbook.
2. Ensure a valid time is selected. (Reference may need to be made to the customer of STC Poole
engineering to validate that the time selection is correct for the signs application).
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