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Hot Spring
Control Panel Communication Fault
Display shows two dashes or blank segments; buttons may not respond.
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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
Loose ribbon cable between topside control and IQ box, Water intrusion into control panel, Failed topside control panel, Control board communication driver fault
How to Fix / Troubleshooting
Safety first: Turn off power at the GFCI before handling the control panel or control box.
- Inspect topside cable: Access the back of the topside control panel and follow the ribbon cable to the IQ control box. Ensure both ends are fully seated.
- Check for moisture: Look for condensation or water inside the control panel window. If present, the panel may be shorting and should be replaced.
- Test with replacement panel: If available, plug in a known-good Hot Spring topside panel to see if the display returns.
Persistent display issues after cable and panel checks usually indicate a control board problem that needs professional service.
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Repair Difficulty
Hard
4/5
Required Part
Topside Control Panel
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