Channel Plus MDS-6A Troubleshooting, Mcs Controller Operation, Symptom, Possible Cause

MDS-6AINSTALLATION MANUAL

SECTION 3 - TROUBLESHOOTING

3.1- MCS CONTROLLER OPERATION

SYMPTOM		POSSIBLE CAUSE		POSSIBLE SOLUTION
MCS Controller totally inoperative (no	1.	+12V and/or GND wires are not	1.	Confirm connections
functions, no LEDs).		terminated correctly.
	2.	Max number of keypads per	2.	Confirm load
		Zone or MDS-6A exceeded
MCS Controller controls MDS-6A &	1.	RS485+/- wires are terminated	1.	Confirm connections
sources, but LEDs won't correctly track		incorrectly
sources.	2.	MCS Controller dip switches are	2.	Confirm MCS Controller dip switch
		incorrect		settings
MCS Controller LEDs are lit, but will	1.	IR (PIN 2) and/or GND (PIN 7)	1.	Confirm connections
not control MDS-6A or sources.		not connected
MCS Controller LEDs are lit, controls	1.	MCS-2A Controller not	1.	Program MCS-2A Controller
MDS-6A, but won't control sources.		programmed	2.	Ensure that IR emitters are connected
	2.	IR emitters not connected		to source and connected to the cor-
		properly		rect IR outputs
MCS Controller controls wrong zone.	1.	MCS Controller connected to	1.	Connect to correct Zone Input
		incorrect Zone Input
MCS Controller’s MUTE button turns	1.	Zone is in Do-Not-Disturb	1.	Press and hold VOL DOWN then
Yellow/No Paging or Whole-House				press MUTE on MCS Controller to
Music features				turn off the DND feature.

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