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Frequently Asked Questions How do I know which Sundance pump I need? Check the white label on your current motor. Look for the Part Number (e.g., 6500-343), Frame Size (usually 48 or 56), and Voltage. It is vital to match the Voltage and Frame size exactly; Horsepower can vary slightly without issue. Why is my Sundance spa showing a 'FLO' error? A 'FLO' or 'FL1' error usually indicates a failed circulation pump (like the 6000-125) or a dirty filter. If the filter is clean and the small circu …

Sundance Spa Pump Compatibility Chart Use this guide to find the correct replacement pump based on your Sundance Spa model and series. Sundance Series Popular Models Pump Function OEM Part # 880 Series Optima, Cameo, Altamar, Majesta Primary Jet Pump (2.5HP) 6500-343 880 & 780 Series All Models (2002+) Circulation Pump (24hr) 6000-125 780 Series Chelsee, Hamilton, Certa TheraMax II Replacement 6500-341 680 Series Burlington, Hartford, Hawthorne Jet Pump 1 or 2 6500-352 680 S …

How to Fix the Sundance Spa "Watchdog" Error If your Sundance Spa control panel is displaying four dots (...) or a flashing Watchdog icon, your spa has entered a safety lockout mode. This is usually caused by one of three things: a dirty filter, a failed temperature sensor, or a dead circulation pump. Common Causes of the Watchdog Lockout Air Lock: Usually happens right after a water change. Failed Circulation Pump: If the water isn't moving, the heater gets too hot, triggering the Watchdog. B …

How to Fix Balboa FLO Error (M016) The Problem: Your Balboa system has detected a lack of water pressure or flow through the heater tube. Quick Fix: Remove your filter, check that your water level is halfway up the skimmer, and restart the power. Step-by-Step Troubleshooting Check the Filter: 90% of FLO codes are caused by a dirty filter. Remove it entirely and reset the breaker. Verify Water Level: If the water is too low, air gets sucked into the pump, causing a "lock." Inspect the Pump: …

Hot Tub & Spa Circuit Board Problems: Symptoms, Causes, and Fixes Click a question below to jump directly to the answer: Why will my 220-volt spa not heat? What do error codes or blinking dots mean? Why does my GFCI trip when heating or turning on? Why does my pump turn on by itself? Why does the wrong function turn on when I press a button? Why is the display acting strangely or some buttons don’t work? Why don’t the spa-side buttons respond? Why are power connections burned or …