Err 7
Fleck
Real-Time Clock / Timekeeping Error
Display shows “Err 7” and the system regenerates at unexpected times or not at all.
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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 clock circuit on control board, power interruptions without battery backup, incorrect time-of-day setting, defective internal capacitor
How to Fix / Troubleshooting
Safety first: Disconnect power before removing the control cover.
- Set correct time: Re-enter the correct time-of-day and regeneration time. Monitor for 24 hours to see if the clock drifts or resets.
- Check power stability: Ensure the outlet is not controlled by a switch or subject to frequent outages. Use a surge protector if power quality is poor.
- Inspect control board: Look for corrosion or damage around the clock circuitry. If the clock loses time even with stable power, the board is failing.
- Replace control board: Install a new Fleck SXT/XTR control board if the clock cannot maintain accurate time.
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Repair Difficulty
Medium
3/5
Required Part
Fleck SXT/XTR Control Board
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