E19
Rheem
Real‑Time Clock (RTC) Failure
Pump shows E19 indicating clock or real‑time module error; schedules may not run correctly.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Failed RTC chip on Rheem control board, Loss of backup power to clock circuit, Firmware bug affecting timekeeping, Electrical noise on low‑voltage supply
How to Fix / Troubleshooting
Safety First: Turn OFF power before removing the control cover.
- Reset time and date: Restore power, manually set the correct time and date, and observe if they drift or reset after a short power interruption.
- Factory reset: Perform a full reset of the Rheem controller and reprogram schedules. This can clear some RTC software faults.
- Check grounding and bonding: Ensure proper bonding of the pump and equipment pad to reduce electrical noise.
- Use external automation (optional): If RTC issues persist, consider controlling the pump via an external automation system that provides its own scheduling.
- Replace control board: Persistent E19 and timekeeping errors indicate a failed RTC circuit; replace the Rheem control module.
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Repair Difficulty
Medium
3/5
Required Part
Rheem Pump Control Module
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