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General| Brand | Rheem |
|---|---|
| Model | GHE80SU |
| Category | Water Heater |
| Language | English |
Flame sensing and Energy Cut Off high limit functions.
Pressure switch roles and vent temperature monitoring.
How the unit handles power interruptions and ignition failures.
Covers ignition lockout, flame stability, sensor, and blower errors.
Troubleshooting flame detection, communication failures, and controller faults.
Troubleshooting shutoff valve, water, gas, sensor, and maintenance alerts.
Steps to resolve unstable flame detection issues.
Steps to resolve intake pressure switch open errors.
Troubleshooting PoF switch errors during heating, pre-purge, and post-purge.
Troubleshooting exhaust pressure, mismatch, EOL test, and high temp errors.
Troubleshooting flue and upper tank sensor issues.
Troubleshooting upper tank temp, blower RPM, and pre-ignition flame errors.
Troubleshooting flame loss, communication, and controller errors.
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