Pelco System 9760 Troubleshooting the CM9760-MXB, LED Color Possible Cause Corrective Action

TROUBLESHOOTING THE CM9760-MXB

If a problem exists with the matrix bay, reset operation of the unit by pressing the Reset button located on the front of the CM9760-VMC video output card. All information, such as camera and monitor idents, is reloaded from the CM9700-CC1. If the problem still exists, refer to Table N for additional troubleshooting information.

Table N. Troubleshooting Using CM9760-MXB Diagnostic LEDs

LED Color	Possible Cause	Corrective Action
	CM9760-VCC Video Input Card LEDs
+10 VDC Power LED (CR2) not lit	Defective fuse(s) on CM9760-VCC card	Remove and inspect fuses on card. Replace
		fuse if defective.
-10 VDC Power LED (CR3) not lit	Defective fuse(s) on CM9760-VCC card	Remove and inspect fuses on card. Replace
		fuse if defective.
Red Comm Fail LED (CR1)	Card not seated properly	Reseat the card.
	Defective CM9760-VCC card	Replace the card.
Red Comm Fail LEDs on all CM9760-VCC	CM9760-VMC video output card must be	Press the Reset button on the CM9760-VMC
cards. (Red Comm Fail LED also on	reset.	card. If all Comm Fail LEDs remain red, the
CM9760-VMC)		CM9760-VMC card is defective.
	Defective CM9760-VMC card	Replace the card.
	CM9760-VMC Video Output Card LEDs
+10 VDC power LED (DS5) not lit	Defective fuse(s) on CM9760-VMC card	Remove and inspect fuses on card. Replace
		fuse if defective.
-10 VDC power LED (DS4) not lit	Defective fuse(s) on CM9760-VMC card	Remove and inspect fuses on card. Replace
		fuse if defective.
Red Comm Fail LED (DS6) on CM9760-VMC	Cable between the CM9760-MXB and the	Check cable connections. Check that cable is
only	CM9700-CC1 is not connected properly or is	connected to correct CM9700-CC1 port.
	not installed in the proper location.
	Incorrect wiring of cable	Check wiring of cable if not using supplied
		data communication cable.
	Port communication setup is incorrect, for	Check port configuration settings in
	example, incorrect baud rate or device type	CM9700-MGR.
	Power Supply Module LEDs
+10V Power LED not lit	Power supply not seated properly	Ensure that power supply is seated properly.
	Blown fuse	Replace fuse.
-10V Power LED not lit	Power supply not seated properly	Ensure that power supply is seated properly.
	Blown fuse	Replace fuse.
Flashing red Frame Fault LED	Failure of one or more video input/output	Refer to the CM9760-VCC Video Input Card
	cards. Refer to the CM9760-VCC Video Input	LEDs and CM9760-VMC Video Output Card
	Card LEDs and CM9760-VMC Video Output	LEDs sections above for corrective actions.
	Card LEDs sections above for possible
	causes.
Red Supply Fault LED	Failure of associated power supply module	Replace power supply module.

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