ERR
Jandy
General Control Board Fault
Display shows generic ERR or error; heater is unresponsive or stuck.
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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
Control board firmware error, Power surge damage, Corrupted settings, Loose ribbon cable to display
How to Fix / Troubleshooting
Safety first: Turn off power at the breaker before accessing electronics.
- Power reset: Turn off power for at least 5 minutes, then restore. This can clear transient errors.
- Inspect board connections: Remove the front panel and check all plugs and ribbon cables on the control board and display module. Reseat them firmly.
- Check for moisture: Look for signs of water intrusion or condensation on the board. If present, correct the leak and allow the board to dry completely.
- If ERR remains: The control board or display module may need replacement. Have a technician confirm before ordering parts.
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Repair Difficulty
Hard
4/5
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