Matthew P Cheyenne , WY November 09, 2014 Appliance: Frigidaire Refrigerator PHS67EHSB2 Frigidaire Refrigerator Phs67ehsb2: Error 4 damper door part between damper door and motor physically broken. How to replace Frigidaire Puresource 2 Wf2cb Refrigerator Water Filter. Replace damper door assembly. 28 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours