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Whirlpool · Refrigerators
Air Damper Control Fault
Quick Answer
Error code AD on your Whirlpool Refrigerators means: Air Damper Control Fault. This is usually fixable — see the step-by-step guide below.
Likely Causes
  1. Air damper motor or stepper motor has failed and cannot open or close
  2. Ice buildup around the air damper preventing movement
  3. Wiring disconnection at the damper motor connector
  4. Control board output circuit for the damper motor has failed
How to Fix It
1
Unplug the refrigerator and locate the air damper assembly between the freezer and refrigerator compartments
2
Check for ice buildup around the damper door and melt any ice with a hair dryer on low heat
3
Manually move the damper door to verify it opens and closes freely
4
Check the wiring to the damper motor for loose or damaged connections
5
Replace the air damper assembly if the motor does not operate when tested
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Air damper assembly (WPW10594330)
Damper motor
Foam insulation seal
Related Error Codes
C1C2C3CFEF
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