Inducer works on component test pulls in pressure switches still get fault 42. Created by . Heating & Cooling - Carrier - Comfort 13 Series 1.5 ton 14.5 SEER AC System w/ Infinity...

What could cause carrier fault code 42 besides bad inducer

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March 2021 1 11 Report

What could cause carrier fault code 42 besides bad inducer

Inducer works on component test pulls in pressure switches still get fault 42

Heating & Cooling - Carrier - Comfort 13 Series 1.5 ton 14.5 SEER AC System w/ Infinity...

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joemachco

Could be several causes.
1. Blockage on piping
2. Water in inducer housing slowing down inducer impeller
3. Condensate trap for furnace clogged up.
4. Inducer motor going bad.
5. Leak in vacuum hoses or not connected.
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