Bryant | Default

Error Code 81

Troubleshooting guide for the Bryant Default system fault 81.

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

Low Stage Thermal Lockout. Thermal cutout occurs in three consecutive low/high stage cycles. Low stage locked out 4 hours or until 24v power recycled.

Potential Causes & Solutions

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