Rheem | Default

Error Code H (Flashing)

Troubleshooting guide for the Rheem Default system fault H (Flashing).

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

Anti-short cycle timer (3 minutes) or Minimum run timer (30 seconds) active.

Potential Causes & Solutions

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