Error code reference

Carrier Furnace Error Code 32

Low-heat pressure, draft safeguard (when used), or auxiliary limit switch (downflow only) did not close or reopened; if open longer than 5 minutes, inducer shuts off for 15 minutes before retry.

SourceCarrier 58T - Service Manual: 2-Speed Gas Furnaces (58TMA, 58TUA)Fig. 13 Service Label

Carrier codes Carrier furnace codes

Diagnostic procedure

The full 32 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview

First diagnostic step

Check for defective blower motor or capacitor, restricted vent, proper vent sizing, low inducer voltage (115VAC), disconnected or obstructed pressure tubing, excessive wind, defective inducer motor, defective pressure switch, or inadequate combustion air supply.

SourceCarrier 58T - Service Manual: 2-Speed Gas Furnaces (58TMA, 58TUA)Fig. 13 Service Label

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More steps, wiring diagram references, and verified part numbers

Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.

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Where this code is documented

1 manual in the MyPros+ library documents this code for Carrier furnace.

Models covered by the manuals that document this code

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The full 32 procedure

Where this code is documented

Models covered by the manuals that document this code

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