The Dolphin Control Systems DCS911007‑1 is a packaging control panel controller featuring a multi‑output relay interface and an integrated display/indicator set. Common failures on this model include intermittent or permanently miswired output channels—often due to damaged PCB traces, solder joints, or faulty relays—as well as occasional power‑supply voltage drops that can cause the controller to reset or lose channel assignments. Initial troubleshooting should verify the 24 V DC supply rail and ensure it remains within spec; inspect the relay contacts and associated trace routing for corrosion or cracking; and review any stored error codes on the display, resetting configuration parameters if necessary.[oss-gpt-20b]