System Diagnosis
Internal Control Fault. The sensor detects an abnormally low or high outdoor ambient temperature. The control is not functioning properly.
Rheem | Default
Error Code 93
Troubleshooting guide for the Rheem Default system fault 93.
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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.
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