Samsung Refrigerator Defrost Timer Wiring Diagram Page

| Pin | Label | Function | |-----|-------|----------| | 1 | 1 | Line (L1 – Hot) | | 2 | 2 | Neutral (not always used) | | 3 | 3 | Compressor / Run output | | 4 | 4 | Defrost heater output | | 5 | 5 | Motor (timer motor – connects to L1 & neutral) | | 6 | 6 | Not used / extra | | 7 | 7 | Common neutral return | | 8 | 8 | Not used / extra |

Found on high-end Samsung French door models (RF series). These combine a defrost timer with a fan delay. Labels include .

Melts ice accumulation on the evaporator coils. samsung refrigerator defrost timer wiring diagram

*These timers are usually devices. Most common is 8-pin, 120V AC .

A common misdiagnosis occurs because the (safety limit switch) is wired in series with the heater . Look at the diagram again: | Pin | Label | Function | |-----|-------|----------|

The wiring diagram depicts the timer as a single-pole double-throw (SPDT) switch.

Timer Terminal 4 → Brown Wire → Defrost Thermostat → Defrost Heater → Neutral (White) Melts ice accumulation on the evaporator coils

The normally closed terminal. This powers the Compressor and Evaporator Fan during the standard cooling cycle. Critical Defrost Components

This is the industry standard for Samsung side-by-sides. Terminals are labeled .