Comtrol DeviceMaster EIP Series Hardware Installation And Configuration Manual page 80

Troubleshooting and Technical Support
• Verify that the network IP address, subnet mask, and gateway is correct and appropriate for the network.
Make sure that the IP address programmed into the DeviceMaster matches the unique reserved IP
configured address assigned by the system administrator.
- If IP addressing is being used, the system should be able to ping the DeviceMaster.
- If using DHCP, the host system needs to provide the subnet mask and gateway.
• Verify that the Ethernet hub and any other network devices between the system and the DeviceMaster
are powered up and operating.
• Reboot the system, then reset the power on the DeviceMaster and watch the PWR or Status (Page 83) light
activity.
PWR or Status LED
5 sec. off, 3 flashes, 5 sec. off, 3 flashes...
5 sec. off, 4 flashes, 5 sec. off, 4 flashes...
• If you have a spare DeviceMaster, try replacing the device.
80 - Troubleshooting and Technical Support
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RedBoot checksum failure.
SREC load failure.
DeviceMaster EIP | UP Hardware Installation and Configuration Guide: 2000633 Rev. C
Description