Check for which Pump is Plumbed through the Heater.
(Circ Pump, 2-Speed Pump 1 Low, or 1-Speed Pump 2)
Check the Wiring Diagram inside the System Box Cover, and the following appropriate Configuration Settings Sheet for the Correct Pump and Heating Related Configuration Value Settings, based on the Heating Related Pump in Step 1. above.
The Configuration Setting Values can be Viewed on the Topside Panel Display by Moving Dip Switch "A10" to the ON (Up) Position while the Spa is Powered Up and Running. The System will enter the Edit Menu to Read and Change the Configuration Setting Values.
To Navigate the Edit Menu, use any Temp Button to Scroll Up and Down the Feature List or Value Choices, use the Main Panel "Jets 1" Button to Select a Feature or Value, and use any Light Button to Exit. For Additional Help, see Page 17 of the "Basic Installation, Configuration and Service Guidelines for Mach 2.1 EL-Series Spa Controllers" Below.
At the Topside Panel, Verify that the Pump and Heating Related Configuration Values are Set Correctly.
If they are Not Set Correctly, Set them Correctly Now.
Now Return to Normal Operation by Moving Dip Switch "A10" to the OFF (Down) Position.
Note: If you do Not turn Dip Switch "A10" to OFF, you will get a "CFE" Configuration Error when you Power Up. If you have turned "A10" OFF and you still Get a "CFE" Message when you Power Up, you Now have a Configuration Error that needs to be Diagnosed, Starting at the "Current Error Message" Topic.