| 摘要 |
An air cleaner is provided according to the invention. The air cleaner includes a printed circuit board (PCB) configured to operate the air cleaner and a diagnostics circuit. The diagnostics circuit is configured to receive a predetermined diagnostic initiation sequence in the air cleaner, initiate a diagnostics process for one or more operational features of the air cleaner in response to the predetermined diagnostic initiation sequence, and generate a diagnostics determination as a result of the diagnostics process.
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