Pro Logic® Diagnostics Guide
In-depth diagnostics reference for Pro Logic firmware and automation controller faults.
Common Automation Problems This Guide Covers
A pool tech should open this document when the Hayward Pro Logic automation system displays an error message, a component is not functioning, or the system's behavior is abnormal..
What it helps you resolve
- Pro Logic system displaying an error code
- Chlorinator not producing chlorine
- System display is blank or not working
- Communication error between components
- Salt level readings are incorrect or problematic
When not to use
This document is not for routine system operation, initial installation, or general programming of the Pro Logic system without a specific fault or error code.
Fault codes covered
Quick diagnosis
Before replacing any parts, a technician should first ensure all power connections are secure, check the system's fuses for continuity, and verify proper grounding and bonding as per safety instructions.
Still seeing issues with your Pro Logic Diagnostics Guide?
Our certified technicians know every fault code in this document, including ERROR 1, ERROR 2, and can diagnose your Hayward automation in person across the Oak Island area.
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What does 'Comm Error 1' or 'Comm Error 2' mean?
These errors indicate a communication fault within the Pro Logic system, specifically between the main board and a connected module, requiring diagnostic steps to identify the source of the interruption.
Will error codes like 'No Cell Power' clear on their own?
Error codes typically require diagnostic steps and corrective action to resolve the underlying issue; they do not usually clear automatically without intervention.
What causes the most common fault addressed in this document?
While not explicitly stated as 'most common,' 'No Cell Power' errors are prominently featured, often stemming from issues with the cell, its power supply, or related wiring.
How does this document differ from a standard Pro Logic owner's manual?
This document is a specialized Diagnostics Guide for Pro Logic Version Rev. 4.45, focusing exclusively on troubleshooting specific error messages and system malfunctions, unlike a general owner's manual which covers operation and basic setup.
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Qualified personnel only. Opening electrical panels, control boards, or equipment enclosures involves dangerous voltages and should only be performed by licensed pool or electrical technicians. Unauthorized service may void your manufacturer warranty. If unsure, contact a qualified professional.