Question about GE Zoneline AZ55H07D Air Conditioner

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Zoneline PTAC heat pump problems

We have 150 units with these systems in them and they have three issues that are most common.

1. The small internal fuse blows

2. The main circuit board fails

3. The reversing valve sticks

is there any way to prevent these issues are they common to these units? We seem to have about 10 percent per year fail and some are only 3-4 years old.

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Typical for those units

Posted on Apr 23, 2009

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