469
Description UDH EGD fault detected by the R processor
Possible Cause
• UDH EGD producer is powered down
• Producer is unhealthy
• Ethernet connection(s) failure
Solution
• Ensure all EGD producers are powered on and healthy.
• Check for a defective Ethernet cable from producer to network switch. Replace the cable(s).
• Check for a defective network switch by placing the producer's Ethernet cable into an empty port. If the problem persists,
replace the network switch.
• Replace the processor module.
470
Description UDH EGD fault detected by the S processor
Possible Cause
• UDH EGD producer is powered down
• Producer is unhealthy
• Ethernet connection(s) failure
Solution
• Ensure all EGD producers are powered up and healthy.
• Check for a defective Ethernet cable from producer to network switch. Replace the cable(s).
• Check for a defective network switch by placing the producer's Ethernet cable into an empty port. If the problem persists,
replace the network switch.
• Replace the producer processor module.
471
Description UDH EGD fault detected by the T processor
Possible Cause
• UDH EGD producer is powered down
• Producer is unhealthy
• Ethernet connection(s) failure
Solution
• Ensure all EGD producers are powered up and healthy.
• Check for a defective Ethernet cable from producer to network switch. Replace the cable(s).
• Check for a defective network switch by placing the producer's Ethernet cable into an empty port. If the problem persists,
replace the network switch.
• Replace the producer processor module.
60 GEH-6855_Vol_II GEH-6855_Vol_II Mark VIeS Functional Safety Systems Volume II
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