How to Fix Whirlpool Refrigerator Error Er dC

Error Code: Refrigerator Difficulty: Moderate

Problem: Dispenser control fault – temperature sensor mismatch between compartments

How to Fix Refrigerator Error

1. Unplug refrigerator and remove rear wall panels in both compartments to access sensors.
2. Test both refrigerator (WPW
3. and freezer (WPW
4. temperature sensors as described in Er rS/Er FS procedures.
5. Verify sensor readings match actual compartment temperatures within 5°F tolerance.
6. Check wiring harness continuity between sensors and main control board.
7. Inspect dispenser control board (located behind dispenser housing in door) for moisture damage from spills.
8. Disconnect dispenser board harness and check for corrosion on connector pins.
9. Clean dispenser board connectors with electrical contact cleaner if corrosion present.
10. If both sensors test good and wiring is intact, replace dispenser control board WPW
11. After repair, verify dispenser functions (water, ice) operate correctly and temperature displays stabilize.
12. Monitor for 24 hours to ensure error doesn’t return during temperature fluctuations.