Emerson VSR, VSM ICM/ICAD Motorized Valve, Installation, Programming, and Troubleshooting, Alarms

ICM/ICAD Motorized Valve	Installation, Programming, and Troubleshooting
Alarms	There are a number of alarms which are excellent indicators of improper installation or
	set-up:
	Description	ICM	Comments
		alarm text
	No valve type selected	A1	At start-up A1 and CA will be displayed
	Controller fault	A2	Internal fault inside electronics
	Input error	A3	Not applicable if ¡01 = 2 or ¡02 = 2
			When ¡03 = 1 and AI > 22 mA
			When ¡03 = 2 and AI > 22 mA or AI < 2 mA
			When ¡03 = 3 and AI >12 V
			When ¡03 = 4 and AI >12 V or AI < 1 V
	Low voltage of fail safe supply	A4	If 5 V d.c. < Fail safe supply
			< 18 V d.c.
	Check Supply to ICAD	A5	If supply voltage < 18 V d.c.
Troubleshooting Tips
	Problem			Possible cause and solution
	The valve is not working and an A1 is			The ICM valve size was not selected in
	!ashing in the display.			parameter ¡26. See the programming
				section on page 9.
	The valve does not appear to be opening			1. The ICAD was not mounted properly
	or closing properly			on the valve stem. Solution: Check to
				make sure that the ICAD was mounted
				evenly on the ICM valve
				2. The ICAD is not receiving a proper
				input signal. Solution: Use the service
				parameters (¡51 for a mA input or ¡52
				for a voltage input) to check the input
				signal that the ICAD is receiving.
	The valve position feedback signal is not			1. A power supply was installed in the
	working when using customer supplied			4-20mA/0-20mA feedback loop.
	controller/PLC			The ICAD motor actuator supplies
				the power for the 4-20mA/0-20mA
				feedback loop. Solution: Remove any
				power source that may be supplied to
				the feedback loop.
				2. Wiring problem. Solution: Check the
				service parameter ¡53 to see what the
				ICAD is outputting. If this does not
				reveal anything, check the current
				output (yellow and blue wires in ICAD
				control cable) with an ammeter.
				3. The feedback output signal was turned
				o! in parameter ¡06. Solution: Check
				to make sure the setting in parameter
				¡06 is correct.
	For all other problems, contact Danfoss.

Danfoss (USCO / MKS), 11 - 2006 DKRCI.EI.HT0.A1.22 / 520H1639 11