| 3 Most Common Problems | | Diagnosis & Repair Cost (U.S. dollars w/o tax) |
| 1. Mold & Mildew at plenum | |
|
| | a. Metering device corroded | | $68 - 90 |
| | b. Water filter stopped up | | $68 - 90 |
2. Unit does not come on | | |
| | a. No water to unit | | $43 - 58 |
| | b. Defective 24v. transformer | | $99 - 132 |
| | c. Defective fan sensing relay | | $108 - 144 |
| | d. No AC power to unit | | |
| | - Transfer to electrician | | $43 - 58 |
3. Unit leaking water | | |
| | a. Loose connections | | $43 - 58 |
| | b. Drain stopped up | | $86 - 114 |