Samsung SSA-S2000/EXP Irrelevant data is transferred, Disconnection or short-circuit, Repeater

PROBLEM	ACTION
The external reader can the RF card	1) Check if the external reader is connected to SSA-S2000 properly.
but the RF card data will not be	2) Check if the external reader works normally.
transferred to SSA-S2000 or
	- Check the connection cable between the external reader and SSA-S2000 for any
irrelevant data is transferred.
	disconnection or short-circuit.
	- Check if there occurs a noise on the connection cable between the external reader and
	SSA-S2000.
	cIf you have to use a measuring device such as an oscilloscope or a multimeter, please
	consult with a qualified technician.
	dMeasure the Wiegand communication cable and check if the exit reader works properly.
	: Check the Wiegand output state of the external reader by referring to the user manual,
	and replace the reader if it shows an abnormal output.
	eIf there occurs a noise on the Wiegand communication cable using the measuring device
	: Reinforce the GND line by using the shield line and space line as additional GND points.
	: Extend the Wiegand communication range along with the stable signal reception using the
	repeater
	fFor more information, refer to the external reader connection section in the user manual.
	3) If the problem persists after you have followed the procedures above, contact a
	designated service center.
The door lock does not operate at	1) Check if the door lock is connected to SSA-S2000 properly.
all.	The connection method may differ depending on the type and operation mode (NO, NC) of the
	door lock.
	2) Check the status of the door lock
	- Check the connection cable between the door lock and SSA-S2000 for any disconnection or
	short-circuit.
	- Check if the door lock works normally.
	cIf you have to use a measuring device such as an oscilloscope or a multimeter, please
	consult with a qualified technician.
	dRemove the door lock from SSA-S2000, and check the relay output of SSA-S2000:
	Replace the door lock if the relay output of SSA-S200 shows a normal state.
	eFor more information, refer to the door lock connection section in the user manual.
	3) If the problem persists after you have followed the procedures above, contact a
	designated service center.

TROUBLESHOOTING

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