LINKS2 error code Communication Error
RV-C communication between the control panel and the control screen is bad. The screen and panel are not exchanging data - expect stale or missing status, devices shown offline, and controls that do not actuate.
What to check, and in what order, is in the app. The flow LINKS2 - 'Communication Error' / device offline (RV-C bus) walks this code step by step with the pass/fail measurements, wiring schematics and procedures that go with it, and it works offline in the bay.
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- RV-C Specification Full Layer (2026-02-20) - sec 2.1.2: 'Both ends of the trunk shall be terminated with a 120 ohm resistor'RV-C / RVIA
- Links2 Smart Control System FAQ / User Manual (incl. OEM troubleshooting checklist)LINKS2
Related codes
- Low Voltage AlarmHouse battery voltage has fallen below the system's low-voltage…
- Device OfflineA node on the RV-C network is not reporting to the control screen.…
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