pH or Sanitizer Message Without Sensors Installed

1.If you do Not have a pH or ORP Sensor installed in the Spa System, you should Never get this Message.  This Message is an indication that a Required 2-Pin Jumper Block is Not Installed on the System Board.
2.Locate System Board Connector J77, which is a 4 Pin Connector on the Right Side of the Board, to the Left of the Aux. Panel Connectors.

OtherConnectors-J77-Open

3.At Connector J77, Check for a 2-Pin Jumper Block on Pins 3 and 4  (Pin 1 is the Right Pin).  If there is already a 2-Pin Jumper Block installed on J77 Pins 3 and 4, Select "Jumper Already Installed on J77".  If not, Continue to Step 4.

OtherConnectors-J77-Jumper

Jumper Already Installed on J77

4.Install a 2-Pin Jumper Block on Pins 3 and 4 of System Board J77  (Pin 1 is the Right Pin).

OtherConnectors-J77-JmprON

5.Turn OFF the Power to the System.
6.Turn ON the Power to the System.
7.Press Any Temp Button to Exit Priming Mode ("Pr" Display turns OFF).
8.After about 30 Seconds, Check for a pH or Sanitizer Message on the Topside Panel Display.

There is Still a pH or Sanitizer Message

No ph or Sanitizer Message - End Test