Hayward AquaRite Salt Chlorination System COMM ERROR Error Fix: Board Communication Error

Communication error — the display board cannot communicate with the main control board, check ribbon cable or wiring connections between boards, may require board replacement

Medium severity2 fixes available✨ Free fix available

Quick Answer

Error COMM ERROR on the Hayward AquaRite Salt Chlorination System means: Board Communication Error. The top-ranked community fix is “Test and Replace Control Boards if Needed” (hard difficulty, ~90 min, DIY cost: $0). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · salt chlorinator

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

When to Call a Professional

While many salt chlorinator repairs can be done safely at home, consider hiring a qualified technician if:

The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $250-$400.

Other Hayward AquaRite Salt Chlorination System Error Codes

CHECK SALT

Low Salt Level Warning

Salt Level Too High

500-Hour Cell Maintenance Reminder

2 fixes

LOW TEMP

Water Temperature Too Low

2 fixes

NO FLOW

No Water Flow Detected

2 fixes

People Also Ask About Hayward AquaRite Salt Chlorination System Error COMM ERROR

What does error code COMM ERROR mean on a Hayward AquaRite Salt Chlorination System?

Error code COMM ERROR on the Hayward AquaRite Salt Chlorination System means: Board Communication Error. Communication error — the display board cannot communicate with the main control board, check ribbon cable or wiring connections between boards, may require board replacement

How do I fix error code COMM ERROR on my Hayward AquaRite Salt Chlorination System?

The most successful fix is "Test and Replace Control Boards if Needed" (hard difficulty, ~90 minutes). This fix costs nothing. HomeMD has 2 community-ranked fixes for this error.

Is error code COMM ERROR on a Hayward AquaRite Salt Chlorination System serious?

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Can I fix Hayward AquaRite Salt Chlorination System error COMM ERROR myself?

Yes — the top-ranked community fix ("Test and Replace Control Boards if Needed") is rated hard difficulty and takes about 90 minutes. Tools needed: Phillips screwdriver, Multimeter, Labeling tape.

How much does it cost to repair Hayward AquaRite Salt Chlorination System error COMM ERROR?

DIY cost: $0. Professional repair typically costs $250-$400. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the Hayward AquaRite Salt Chlorination System have?

The Hayward AquaRite Salt Chlorination System has 5 other known error codes, including: CHECK SALT (Low Salt Level Warning), HIGH SALT (Salt Level Too High), INSPECT CELL (500-Hour Cell Maintenance Reminder), LOW TEMP (Water Temperature Too Low), NO FLOW (No Water Flow Detected).

What other error codes does the Hayward AquaRite Salt Chlorination System have?

The Hayward AquaRite Salt Chlorination System has 5 other known error codes:

CHECK SALT — Low Salt Level Warning (2 fixes)
HIGH SALT — Salt Level Too High (2 fixes)
INSPECT CELL — 500-Hour Cell Maintenance Reminder (2 fixes)
LOW TEMP — Water Temperature Too Low (2 fixes)
NO FLOW — No Water Flow Detected (2 fixes)

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