Check for Sensor Problems

There May Be a Problem with One or Both Sensors

Note: You Must Turn OFF the Power before Continuing.  Defective Sensors can Not be Repaired, and Must be Replaced.  Make sure the System Board is completely Dry before Turning the Power ON.

1.Make sure Both Temperature Sensors are Properly Mounted at the Heater.
2.Check Sensor Wires for Cracks or Damage.
3.Make sure the System Board Sensor Connectors are Clean and Connected Properly.
4.Check to see if either Sensor appears to need to be Replaced, and Replace as Necessary.

No Sensor Problems have been Found - End Test

A Sensor Problem May have been Corrected - Restart Heater