| • | If the Power to the System is OFF, Turn the Power ON to the System. |
| • | If the System is still in Priming Mode, Press any Temperature Button to Exit Priming Mode. |
| • | Is there Now any of the following Sensor Failure Messages on the Topside Panel Display? |
YES - Changed to "Sb" YES - Still "SA"
YES - Changed to "Snb" YES - Still "SnA"
YES - Changed to "SENSOR B SERVICE REQD"
YES - Still "SENSOR A SERVICE REQD"
