Jandy AquaLink Troubleshooting Manual

The Jandy AquaLink is a comprehensive pool and spa control system that manages filtration, heating, lighting, and other pool functions. This troubleshooting manual covers common issues, error codes, diagnostic procedures, and maintenance tips for the AquaLink RS and AquaLink PDA systems. Below are key sections for system overview, error codes, troubleshooting procedures, maintenance, and support information.

System Overview

Key components: Main control board, power center, remote transmitters, actuators, temperature sensors, and connected pool equipment.

Common Error Codes

Understanding system error codes for quick diagnosis.

1. E01: Communication failure with remote
2. E02: Temperature sensor failure
3. E03: Heater communication error
4. E04: Pump communication error
5. E05: Actuator position error
6. E06: Power supply fault
7. E07: Ground fault detected
8. E08: System overload

WARNING! Always disconnect power before performing any electrical diagnostics. Use proper safety equipment.

Diagnostic Procedures

Step-by-step troubleshooting for common system issues.

1. Power cycle: Turn off main breaker for 30 seconds, then restart.
2. Check power supply: Verify 120V/240V at power center.
3. Communication test: Use diagnostic mode to test remote communication.
4. Sensor testing: Verify temperature sensor readings in service menu.
5. Reset system: Perform factory reset if necessary (backup settings first).

CAUTION! Only qualified technicians should perform electrical diagnostics.

Component Testing

• Control Board: Check for LED status lights and proper voltage.
• Temperature Sensors: Test resistance values at various temperatures.
• Actuators: Verify proper rotation and limit switch operation.
• Pump Interface: Check communication and power delivery.
• Remote Transmitters: Test signal strength and battery levels.
• Power Supply: Verify stable voltage output.
• Communication Bus: Check wiring continuity and termination.
• Surge Protection: Verify protection status indicators.

Communication Issues

Troubleshooting communication between control board and peripherals.

Remote Communication: Check battery, distance, and interference. Reset remote pairing if needed.

Bus Communication: Verify wiring connections, check for damaged cables, ensure proper termination. Component Addressing: Confirm correct device addresses in system configuration. Signal Strength: Use diagnostic mode to check communication signal quality between devices.

Heater Problems

Diagnosing and resolving heater control issues.

1. Check heater communication: Verify control signal from AquaLink.
2. Temperature settings: Confirm setpoints are within heater operating range.
3. Water flow: Ensure proper pump operation and filter cleanliness.
4. Heater error codes: Interpret manufacturer-specific heater errors.
5. Gas/electric supply: Verify proper fuel or power to heater.

Tip: Always check simple solutions first - thermostat settings, circuit breakers, and filter condition.

Pump Operation Issues

Troubleshooting pump control and operation problems.

1. Pump not starting: Check power, circuit breakers, and control signals.
2. Speed control issues: Verify communication with variable speed pumps.
3. Priming problems: Check for air leaks and proper water level.
4. Noise/vibration: Inspect for mechanical issues or cavitation.
5. Communication errors: Reset pump communication and check wiring.
6. Schedule problems: Verify pump program settings in control system.
7. Flow detection: Check flow switch operation and sensor readings.
8. Motor protection: Reset thermal overload if tripped.

WARNING! Always disconnect power before inspecting pump motor or electrical connections.

Lighting Control Problems

Diagnosing pool and spa lighting issues.

No Lights: Check transformer, bulbs, and control signals. Flickering: Inspect connections and voltage stability. Color Issues: Verify proper operation of color-changing systems. Control Failure: Test relay operation and control board outputs. Safety: Ensure GFCI protection is functional and properly wired.

Maintenance Schedule

Regular maintenance to prevent system issues.

Monthly: Check system status, clean filters, verify sensor readings. Quarterly: Test all functions, inspect wiring, update software. Annually: Professional inspection, component testing, system optimization.

CAUTION! Regular maintenance prevents major system failures and extends equipment life.

Safety Information

FCC Part 15: Class B digital device; complies with interference limits. UL Listed: Meets safety standards for pool and spa equipment. Electrical Safety: Always disconnect power before service. Water Safety: Ensure proper grounding and GFCI protection. Copyright © 2024 Jandy; trademarks of Fluidra. For support, visit www.jandy.com or contact 1-800-227-1442.

Technical Support

Reset Procedure: Menu > System > Reset to Factory Defaults (backup settings first).

Service: 1-800-227-1442; www.jandy.com