Emerson E2 operation manual Appendix F Troubleshooting F-7

SYMPTOM	POSSIBLE PROBLEM	SOLUTION
Problems with Temp Sensor or	16AI input dip switches are set	The 16 dip switches on the 16AI
Pressure Transducer Displaying	improperly.	board correspond to each of the
Proper Value		inputs:
		Dip Switches Up = Temperature
		Sensor
		Dip Switches Down = Pressure
		Transducer
	Incorrect board and point	Set proper board and point set-
	address.	tings for both input and output:
		Go to the Inputs tab in the appli-
		cation’s Setup screen and check
		Board and Point.
	Incorrect sensor type.	1. Verify that the sensor type in
		E2 is the same as the sensor
		installed. (For example, “5V-
		200PSI” is a 5-volt powered
		200PSI pressure transducer, and
		“Temperature” is the standard
		Emerson Retail Solutions tem-
		perature sensor.
		NOTE: The previous Eclipse
		and Standard sensors are now
		5V and 12V respectively.
		2. From the Main Menu, select
		System Configuration (7) and
		Input Definitions (1).
		3. Highlight the desired input
		and press  (SETUP) to
		check Sensor Type.
No Heat or Air Will Come On	Incorrect board and points	Make sure that your board and
	assignment.	points are assigned to the correct
		compressors and heat stages
	Check the Heat and Cool OAT	From the Home screen, press
	lockout temps.	 (AHU),  (SETUP).
		Move cursor to C5 (HT/CL
		Setup) to check the Lockout
		temperatures.

Appendix F: Troubleshooting • F-7