Error code reference

Carrier Air Conditioner Error Code 6

Missing Phase

Carrier codes Carrier air conditioner codes

Missing Phase — One phase of power to the compressor is missing.

First step from the service manual

Check if compressor fuse is open on one phase, broken wire or connector on one phase, compressor motor winding is damaged, or utility supply has dropped one phase.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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Step-by-step tests with expected resistance, voltage, and continuity values
Wiring diagram references and connector pinouts from the OEM service manual
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M+ Max·Carrier Air Conditioner

6 on my Carrier Air Conditioner

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Missing Phase — One phase of power to the

From Service Manual 985640, p.12:

1.Check if compressor fuse is open on one phase, broken wire or connector on one phase, compressor motor winding is damaged, or utility supply has dropped one phase.

2.Measure the drive motor winding resistance at the main control connector. Expected: 2 to 6 ohms between winding pairs.

3.Rotate the drum by hand and check for free rotation. Inspect the belt and pulley for glaze or wear; a slipping belt mimics a motor fault under load.

Part W10006384

Drive motor

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First step from the service manual

Get the full diagnostic procedure for 6.

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