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<h2 id="isPasted"><u>Introduction</u></h2><p>The &quot;F5&quot; error code indicates a T5 exhaust temperature sensor failure. 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;</p><p id="isPasted">The error code shows on the display board.&#xA0;</p><p><strong>Cause:</strong> Sensor reading error.&#xA0;</p><h2 id="isPasted"><u>Troubleshooting Diagram<img src="https://attachments.gorgias.help/Q9r0k7BYaV2vg13y/hc/9JWjXVxG8m6DvMqm/2026012918-84bd7538-27ad-4816-bbb9-f5d78b2e57a3-dyc18_troubleshooting_f5.png" style="width: 800px;" class="fr-fic fr-dib fr-bordered"></u></h2>

The "F5" error code indicates a T5 exhaust temperature sensor failure. This article is for Vertex Ducted Central Split (DYC-18) systems.

F5 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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F5 Error CodeUpdated 4 days ago

Introduction

Troubleshooting Diagram