Samsung Mini Split C461 Error Code
Check your model first
- Samsung WindFree / R-32 residential ductless with outdoor 7-segment display
- Samsung AR09TXFYAWKNEU service manual, outdoor display table (p3-2-2)
- Same manual, outdoor fan/compressor section (p3-2-10)
Match the model on your equipment label to the linked manufacturer documentation. The same code can mean different things across model families.
Quick answer
C461 means an EEPROM data error (no data) on the outdoor unit - the outdoor board cannot read its stored option/setting data, so the system will not run reliably. A brief power event or brownout is the most common trigger; a failed EEPROM, loose harness, or outdoor PBA fault explains codes that return.
Severity: high · DIY difficulty: easy
Safety
Stop at the breaker power-cycle and any plug-accessible checks (filters, remote settings, visible wiring). The outdoor unit's capacitor holds a lethal charge and the refrigerant circuit is both pressurized and (on R-32 units) flammable — opening panels or servicing the sealed system is licensed-technician work (EPA 608).
What C461 means
C461 means an EEPROM data error (no data) on the outdoor unit - the outdoor board cannot read its stored option/setting data, so the system will not run reliably. A brief power event or brownout is the most common trigger; a failed EEPROM, loose harness, or outdoor PBA fault explains codes that return.
Code meaning varies by series
- Samsung AR09TXFYAWKNEU service manual, outdoor display table (p3-2-2): C461 EEPROM data error (no data)
- Same manual, outdoor fan/compressor section (p3-2-10): C461 also appears as compressor starting error - the manual shows C461 under both headings; compressor-start diagnosis is listed separately under C464/C467. Confirm the exact code and symptoms before parts replacement.
First checks before service
1. One-time fault event (power disturbance or transient sensor reading) common DIY
Check: Power-cycle at the breaker/disconnect (or unplug for CPAP), restore, and run the system while watching for the code.
Fix: If the code does not return after a full run cycle, the fault was transient — monitor, no repair needed.
2. Fault persists after a clean reset occasional pro only
Check: If the code returns immediately or every session, note the conditions (startup, heating, after rain).
Fix: A persisting code points at the component the manual assigns to this code — that repair is technician territory.
Related codes
Samsung C101 · Samsung C470 · Samsung C108
Sources
- SplitAtlas Samsung C461 page (EEPROM data error, no data) — verified 2026-08-29
- Samsung AR09TXFYAWKNEU service manual - outdoor display errors, C461 EEPROM data error — verified 2026-08-29
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