Jandy Products LAARS LX Control board Repair Service

Professional diagnostic and board-level repair service for this Jandy Products LAARS LX Control board.

The Jandy LAARS LX Control board is the main display and control interface for Laars LX pool/spa heaters, typically mounted on the heater cabinet and connected to the heater’s PLC and ignition system. Common failures include a dead or flickering LCD due to a cracked flex cable or burned trace, loss of communication with the heater controller (often caused by a failed I²C bus or damaged connector), and power‑supply dropout leading to intermittent resets or “no signal” displays. First‑check steps: verify 12 V/24 V input voltage at the board’s supply pins; inspect all solder joints, especially around the LCD driver IC and I²C lines for cracks or burns; and confirm that the board’s serial/USB interface is receiving a stable signal from the heater controller. Post Comment

Need your Jandy Products LAARS LX Control board repaired?

Ship your unit to our North Carolina repair shop for component-level diagnostics and a repair estimate. We service industrial control electronics and power systems nationwide.

• ⚙️ Board-level diagnostics – Troubleshooting beyond simple module replacement
• 🔁 Clear approval process – No repair begins without your approval
• 🧰 Expert Technicians – Decades of board-level experience
• ✅ 1-Year Warranty – Included with completed repairs

Start a Repair Request   Call 1-336-969-0110

Nationwide service • Industrial-grade testing • 1-year warranty on completed repairs

Owner-Operated • Practical Pricing • 1-Year Warranty • Nationwide Service

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