Why is my evaporator icing up?

January 14, 2009 by Shawn Mack  
Filed under Troubleshooting Guide

Reasons why evaporator is icing up:

A. Filters may be dirty. Take filters out of the evaporator unit and clean.
B. Run the fan only without the cool mode or heat mode. This process heats the unit and will melt the ice.
C. After the ice on the evaporator has melted the unit should operate properly.

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2 Responses to “Why is my evaporator icing up?”
  1. Anonymous Says:

    hi,i have heat pump Samsung A/C,the problem is it is not heating the room.i have cleaned change over valve,capillary,indoor unit,outdoor unit but still the same.what i do.please advice me where is the problem.3/8″pipe is heating but 1/4 pipe is not heating.

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