York | Default

Error Code 02#

Troubleshooting guide for the York Default system fault 02#.

Disclaimer: This information is for general reference. Error codes can vary by model and production year. Always refer to your machine's specific manual and the information printed on the unit itself.

System Diagnosis

CCM/Function Module Communication Malfunction.

Potential Causes & Solutions

Diagnose with Confidence

Use the ACLogics AI assistant to walk through this error code step-by-step.

Get the App

Included in Diagnosis Workflow

1

Ask

Upload nameplate & symptoms

2

Diagnose

AI identifies error 02#

3

Report

Generate professional PDF