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Waterway NEO Error Codes (1500 and 2100): What Each Message Means

These messages apply to Waterway NEO 1500 and NEO 2100 controls only. Other Waterway controls can show different messages, so check your manual, or call us.

Electrical safety: the spa's electrical equipment can cause serious injury or death. Before you touch anything near the equipment, turn the spa off at its breaker or disconnect. Do not open the equipment cover, control box or panel. Wiring, breakers, GFCIs, heaters and control boxes must be repaired by a licensed electrician or qualified technician.
CodeWhat it meansWhat to do
Insufficient FlowNo water is flowing through the heater.Do not use the spa until flow is restored. Check the water level and filter. Call us if it persists.
Low FlowWater flow through the heater is restricted.Check the filter and water level. Call us if it stays on.
Water OverheatThe water is too hot.Do not use the spa until it cools. Call us if it repeats.
Heater OverheatThe heater is too hot.Do not use the spa. Call us.
Potential FreezeA sensor reads low temperature. Jets and blowers run automatically.Normal in cold weather. Call us if it appears in warm weather.
Sensor 1, 2 or 3 Open or ShortA sensor circuit is open or shorted.Call us. Do not replace sensors yourself.
Plumbing ErrorThe sensor connections are wrong.Call us to have the connections corrected.

NEO controls contain high voltage and have no user-serviceable parts. Do not open the controller. If your code is not listed here, call us.

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