Author: ApplianceFixGuide Team

Problem: Refrigerator fan speed sensor fault; tachometer sensor malfunction monitoring fresh food evaporator fan RPM

How to Fix Refrigerator Error

1. Unplug refrigerator from electrical power.
2. Remove fresh food compartment shelves and evaporator cover to access evaporator fan assembly.
3. Locate fan speed sensor mounted on or near fan motor assembly. Disconnect wiring harness.
4. Test sensor resistance or signal output per service manual specifications for current conditions.
5. Inspect sensor housing and wiring for damage, corrosion, or loose connections.
6. Clean sensor contacts with isopropyl alcohol and lint-free swab.
7. If sensor tests faulty or shows physical damage: remove mounting clips or screws.
8. Extract old sensor assembly. Clean mounting area thoroughly.
9. Install new fan speed sensor using OEM part DA31-00127A. Ensure proper positioning.
10. Secure mounting hardware. Route wiring away from fan blades. Reconnect harness. Reassemble components. Restore power and verify fan speed control operates correctly during cooling cycles.

Instant PDF Download • Factory Authorized

Still Not Working?

If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

Browse all Samsung error codes: Samsung Error Codes

Problem: Defrost timer/control fault; electronic defrost control board malfunction managing defrost cycles

How to Fix Refrigerator Error

1. Unplug refrigerator from electrical power.
2. Remove rear access panel to locate defrost control board (may be integrated with main board).
3. Inspect board for burnt components, bulging capacitors, or damaged traces near defrost relay.
4. Test defrost relay operation per service manual using multimeter during simulated defrost cycle.
5. Check wiring harness connections between defrost control and heater/thermostat components.
6. Reseat all connectors firmly. Clean pins with electrical contact cleaner.
7. If board shows visible damage or relay tests faulty: disconnect all wiring harnesses.
8. Remove mounting screws securing defrost control board. Extract old board.
9. Install new defrost control board using OEM part DA47-00237A. Transfer all connectors carefully.
10. Secure mounting screws to specified torque. Restore power and monitor defrost cycle timing and operation to ensure proper ice melt and temperature recovery.

Instant PDF Download • Factory Authorized

Still Not Working?

If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

Browse all Samsung error codes: Samsung Error Codes

Problem: EEPROM memory error; corrupted firmware or processor fault on main control board

How to Fix Refrigerator Error

1. Unplug refrigerator from electrical power for 15 minutes to attempt deep memory reset.
2. Restore power and observe if error clears during startup sequence.
3. If persistent, remove rear access panel to expose main control board.
4. Inspect board thoroughly for burnt components, bulging capacitors, or charred traces near memory chips.
5. Check all board mounting screws and ground connections for tightness and corrosion.
6. Reseat all wiring harness connectors on main board. Clean pins with contact cleaner.
7. If visual inspection shows damage or error remains after reset: replace main control board using OEM part DA92-00127A.
8. Transfer all connectors to new board one-by-one. Secure mounting screws to 4 in-lbs torque.
9. Restore power. Enter service mode per model instructions to initialize board memory and clear error history.
10. Run full system diagnostic to verify all functions operate correctly and error is permanently cleared.

Instant PDF Download • Factory Authorized

Still Not Working?

If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

Browse all Samsung error codes: Samsung Error Codes

Problem: Power supply fault; voltage regulator failure or unstable input power detection on main board

How to Fix Refrigerator Error

1. Verify household voltage at refrigerator outlet using multimeter. Must maintain 110-120V AC.
2. Check circuit breaker panel to ensure dedicated breaker is fully ON and connections are tight.
3. Inspect power cord and terminal block inside refrigerator for looseness, corrosion, or arcing.
4. Tighten terminal block screws to 8 in-lbs torque if accessible and loose.
5. Ensure refrigerator is on dedicated circuit without other high-draw appliances sharing the line.
6. Unplug refrigerator and remove rear access panel to expose main control board.
7. Inspect board near power input section for burnt components, bulging capacitors, or damaged traces.
8. Test voltage regulator output per service manual specifications if equipment available.
9. If board shows damage or voltage regulation is faulty: replace main control board using OEM part DA92-00128A.
10. Transfer all connectors carefully. Secure mounting hardware. Restore power and monitor stable operation during multiple compressor cycles.

Still Not Working?

If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

Browse all Samsung error codes: Samsung Error Codes

Problem: Flash code 1: Freezer temperature sensor fault (non-display models); identical failure mode to 1E code

How to Fix Refrigerator Error

1. Unplug refrigerator from electrical power or switch off dedicated circuit breaker.
2. Remove freezer interior panels to access temperature sensor mounted on evaporator cover or freezer wall.
3. Disconnect wiring harness from sensor connector. Note routing path before removal.
4. Measure resistance across sensor terminals with multimeter at current freezer temperature. Compare to service manual chart (e.g., at 0°F/-18°C should be ~17kΩ).
5. If reading is infinite (open circuit), zero (shorted), or deviates >15% from specifications: remove mounting clip or screw securing sensor.
6. Gently extract sensor from mounting well without damaging threads or surrounding components.
7. Clean mounting well thoroughly with isopropyl alcohol and lint-free cloth.
8. Apply thin layer of thermal conductive paste to sensing tip of new sensor.
9. Install replacement temperature sensor using OEM part DA32-10104R. Secure in mounting clip or with screw tightened to 3 in-lbs.
10. Route wiring away from sharp edges and moving parts. Reconnect harness until audible click. Reassemble interior panels. Restore power and monitor freezer temperature for 2 hours to confirm accurate readings.

Still Not Working?

If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

Browse all Samsung error codes: Samsung Error Codes

Problem: Flash code 2: Refrigerator temperature sensor fault (non-display models); identical failure mode to 2E code

How to Fix Refrigerator Error

1. Unplug refrigerator from electrical power source.
2. Remove fresh food compartment shelves and interior panels to access temperature sensor mounted on rear wall or evaporator cover.
3. Disconnect wiring harness connector from sensor assembly.
4. Measure resistance across sensor terminals with multimeter at current refrigerator temperature. Expected value: approximately 10kΩat 37°F/3°C (±10%).
5. If reading is infinite, near zero, or significantly deviates from specification: remove mounting hardware securing sensor.
6. Carefully extract old sensor from mounting location. Clean mounting area thoroughly with isopropyl alcohol.
7. Apply thermal conductive paste to sensing tip of new sensor.
8. Install replacement temperature sensor using OEM part DA32-10105R. Ensure proper seating in mounting well.
9. Secure mounting clip or screw to 3 in-lbs torque. Route wiring harness away from evaporator coils and sharp edges.
10. Reconnect harness firmly. Reassemble interior components. Restore power and verify refrigerator temperature stabilizes at set point within 4 hours.

Still Not Working?

If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

Browse all Samsung error codes: Samsung Error Codes

Problem: Flash code 3: Freezer evaporator fan motor fault (non-display models); identical failure mode to 21E code

How to Fix Refrigerator Error

1. Unplug refrigerator from electrical power.
2. Remove freezer interior panels and evaporator cover to access evaporator fan assembly.
3. Manually rotate fan blade – should turn smoothly with no grinding, squealing, or resistance.
4. Disconnect fan motor wiring harness. Label connections before removal.
5. Test motor windings resistance between terminals per service manual specifications (typically 50-200Ω).
6. Inspect fan blade for ice buildup, debris, or physical damage. Clear obstructions carefully.
7. If motor tests faulty or bearings are seized: remove mounting screws securing fan assembly.
8. Extract old fan motor assembly. Clean mounting area thoroughly.
9. Install new evaporator fan motor assembly using OEM part DA31-00123A. Ensure proper alignment and clearance.
10. Reconnect wiring harness securely. Reassemble evaporator cover and interior panels. Restore power and verify strong, consistent airflow across evaporator coils.

Still Not Working?

If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

Browse all Samsung error codes: Samsung Error Codes

Problem: Flash code 4: Refrigerator evaporator fan motor fault (non-display models); identical failure mode to 22E code

How to Fix Refrigerator Error

1. Unplug refrigerator from electrical power.
2. Remove fresh food compartment shelves and evaporator cover to access evaporator fan assembly.
3. Manually rotate fan blade – should turn smoothly without resistance or unusual noises.
4. Disconnect fan motor wiring harness. Note wire colors and positions.
5. Test motor windings resistance between terminals per service manual (typically 50-200Ω).
6. Inspect fan blade for ice accumulation, debris, or damage. Remove obstructions carefully.
7. If motor is seized, tests open/shorted, or shows physical damage: remove mounting screws.
8. Extract old fan motor assembly. Clean mounting surface thoroughly.
9. Install new evaporator fan motor assembly using OEM part DA31-00124A. Ensure proper alignment.
10. Reconnect wiring harness securely. Reassemble evaporator cover and interior components. Restore power and verify consistent airflow throughout fresh food compartment.

Still Not Working?

If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

Browse all Samsung error codes: Samsung Error Codes

Problem: Flash code 5: Freezer defrost system fault (non-display models); identical failure mode to 23E code

How to Fix Refrigerator Error

1. Unplug refrigerator from electrical power. Allow 30 minutes for components to reach room temperature.
2. Remove freezer interior panels and evaporator cover to access defrost heater and thermostat.
3. Disconnect wiring harness from defrost heater terminals. Label connections.
4. Test defrost heater resistance with multimeter: proper reading 20-50Ω. Infinite = open heater.
5. Test defrost thermostat continuity: should be CLOSED when cold (below 40°F), OPEN when warm.
6. Inspect heater element for visible breaks, burns, or damage. Check thermostat for physical damage.
7. If heater is open or thermostat is faulty: remove mounting clips securing components to evaporator.
8. Extract old defrost heater assembly. Clean evaporator mounting surface.
9. Install new defrost heater assembly using OEM part DA47-00234A. Secure with mounting clips.
10. Reconnect wiring harness. Reassemble evaporator cover and panels. Restore power and monitor defrost cycle to ensure ice melts completely and evaporator returns to normal operation.

Still Not Working?

If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

Browse all Samsung error codes: Samsung Error Codes

Problem: Flash code 6: Condenser fan motor fault (non-display models); identical failure mode to 25E code

How to Fix Refrigerator Error

1. Unplug refrigerator from electrical power. Pull unit away from wall for rear access.
2. Remove rear lower access panel to expose condenser fan assembly near compressor.
3. Manually rotate condenser fan blade – should turn smoothly with no resistance or grinding.
4. Disconnect fan motor wiring harness. Label connections before removal.
5. Test motor windings resistance between terminals per service manual specifications.
6. Inspect fan blade for dust buildup, debris, or physical damage. Clean thoroughly.
7. Check condenser coils for excessive dust accumulation. Clean with vacuum and coil brush.
8. If motor tests faulty or bearings are seized: remove mounting screws securing fan assembly.
9. Extract old condenser fan motor. Install new assembly using OEM part DA31-00125A.
10. Reconnect wiring harness securely. Reinstall access panel. Restore power and verify fan operates continuously during compressor run cycles with adequate airflow across condenser coils.

Still Not Working?

If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

Browse all Samsung error codes: Samsung Error Codes