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<h2 id="isPasted">Introduction</h2>The &quot;FC&quot; error code indicates an IPM module temperature fault. This article is for <a href="https://www.pioneerminisplit.com/collections/vertex-ducted-central-split" target="_blank" rel="noopener noreferrer">Vertex Ducted Central Split (DYC-18) systems</a>.&#xA0;Cause:&#xA0;Communication between the outdoor main control board and module temperature sensor is lost.&#xA0;The module temperature sensor is built-in and can only be replaced with the mainboard.&#xA0;

The "FC" error code indicates an IPM module temperature fault. This article is for Vertex Ducted Central Split (DYC-18) systems.

FC Error Code

Troubleshooting

By Error Code

Error Codes for Vertex Ducted Central Split (DYC-18) Systems

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CL error code

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FC Error CodeUpdated 4 days ago

Introduction