Freeze Protection Active: In Error - Hayward ProLogic Troubleshooting Manual

4. Freeze Protection Active: In Error (cont.)
When freeze protection is active, even though the water temperature is reading
normal, the ProLogic will continue to make chlorine. Suspending freeze protection by
activating service mode will suspend chlorination.
Contact service (*optional: activate service mode)
Step 4C
The air temperature sensor may need to be replaced. To locate a pool professional
visit: https://www.hayward-pool.com/shop/en/pools/Dealer-Locator . To
temporarily suspend freeze protection, active service mode by pressing the red
service button one time.
*Warning: IF activating service mode all chlorination and automatic filter times will be interrupted.
While in service mode the pool/spa pump will need to be manually turn on and off AND the pool
should be chlorinated using liquid chlorine.
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