What Prr means
A problem with the regulation (temperature) probe.
Likely causes
- Probe or connection fault
Safe first checks
- Turn the spa off and back on once.
When to stop
If Prr returns, the probe usually needs a technician.
Parts that may help
Only order a part once the checks above point to it, and match the part number to your model.
Checked against: Gecko Alliance Y-series and in.xe troubleshooting guide (9919-101313-D, July 2023). Codes can differ by model and year, so confirm with your owner's manual.