







| Air Cleaner | 3 Most Common Problems | | Diagnosis & Repair Cost (U.S. dollars w/o tax) | | 1. Unit does not work | |
| | | a. No AC power to unit | | | | | - Transfer to electrician | | $43 - 58 | | | b. Defective module | | $126 - 168 | | | c. Defective air switch | | $104 - 138 | | | d. Wires broken | | $90 - 120 | 2. Popping noise coming from unit | | | | | a. Normal when air on | | $43 - 58 | | | b. Unit dirty if continuous w/o air | | $68 - 90 | 3. Excessive amounts of dust in house | | | | | a. See 1 | | | | | b. Return air leaks | | Time & Materials |
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