Stop first if
- A heater or salt cell runs with no water flow.Shut it off at its control if it can be done without risk. Call a pool technician.
- A controller alert comes with a strong chlorine smell.Leave and do not go in to look. Keep others out. Call emergency services.
- Water or corrosion is in a controller or line voltage box.Do not open it. Shut off power only if it can be done without risk. Call a licensed electrician.
01
Ask on the call
6Homeowner? These are the questions a good technician will ask you. Having the answers ready makes the first visit count.
- What did it do, and what did you expect it to do?
- What does the screen or alert say?
- Was a pump, heater or other equipment replaced recently?
- Which device sets the pump schedule?
- What do your hand tests show for chlorine and pH?
- Is the acid or CO2 supply empty?
02
Bring
5- Pool water test kit
- Reference thermometer
- Suction and discharge gauges
- Multimeter for a qualified tech
- Phone for photos
03
Check on site
6- List every control device on the pad and what each one powers.
- Compare manual chlorine, pH and stabilizer tests with the controller before changing a setpoint.
- Check flow at the probe cell and the acid or CO2 supply.
- Cross-check the flow display against gauges read on the pump curve.
- Overlay the pump schedule and speeds on every time clock and relay.
- A qualified tech services probes and rewires only with circuits isolated.
04
Keep on the record
4- Photos of screens and alerts
- List of devices and what controls each one
- Manual test results beside controller readings
- Schedule and speed settings
General guidance for a qualified person, not a finding about any home. The person on site decides.