Aiphone LEF-3L manual Troubleshooting Guide, Warranty

6TROUBLESHOOTING GUIDE (Cont.)

ENTRY #	PROBLEM	POSSIBLE CAUSE	SOLUTION
	No master-to-master		Communication between masters is carried on the # wire of the calling
5	communication.	C terminals mis-wired	master to the C terminal of the receiving master. Verify that the C terminal
		between masters.	of the master that is being called is actually wired to the #terminal that is
			being selected on the calling master.
	LEF master has no	Wrong power supply is	The LED lights will operate with a power source from 6VDC - 24VDC. The
6	communication or tone, but		amplifier in the LEF unit will only work when the system is supplied 12VDC.
		being used.
	LED lights work.		Proper power supply is the PS-1225/UL/S, or PS-1215 DIN.
	Feedback when the volume		Remove E / — jumpers on masters and door stations in the system,
	control is turned up over		provided there are 3 wires to the sub(s). If the sub only has 2 wires in a
7	halfway.	E / — jumpers attached	multi-master system, the jumper must remain in place for the door call-in to
		in a multi-master system.	work. In this case, the side effect is the feedback problem when the audio
			volume is turned up. The only alternative is to run the proper wire to the
			door station(s) and remove all of the jumpers.
	New installation has AC		If the units are too close to an AC source such as AC wiring or dimmer
	buzz, noise, or hum in		switches, move the intercom at least one stud space away from the AC
	system.		source. Other precautions include using shielded cable. If shielded wire was
		Too close to AC and/or	used and there is still AC noise, tie all the shields together and ground to
8			an earth ground or negative on the power supply. If more than one jacketed
		incorrect wire was used.
			cable was used between masters, make sure the # terminals,		C terminal,
			and the E terminals are all in the same jacketed cable. If multiple cables
			were used, include an E wire in each cable that carries a station number
			wire in it.
	Door release does not work.		Check the WHITE wire coming out of the PC board for voltage. When
			depressing the Door release ( ) button, 12VDC is present across WHITE
9		Miswire or lack of RY-PA	and — , which activates the relay. Ensure that the	BLACK	wires of the
		relays.	RY-PA are connected to WHITE and either the	BROWN , RED , or
			ORANGE wire for selective door release (which provides selective ground
			when the corresponding channel is selected).
	No call tone between		The LEF-3L unit does not have the PRIVACY feature or the ability to send
10	masters.	Features not available	a call tone to another master station (as with the standard LEF-3). This
	No Privacy feature on LEF-		function is removed to allow the switch to be used for door release instead
	3L.		of privacy.
	Can't release the door from	Wiring not connected	If door release works from the first master but not another(s), verify that
11	the 2nd (additional masters)		selective door release wires are connected between masters. ( WHITE ,
		properly.
			BROWN , RED , ORANGE ). RY-PA's are only required at one master.
	External Signaling device		Make sure that the WHITE wire of the RY-AC is connected to the #
12	doesn't activate	RY-AC mis-wired	terminal that is to be activating the relay, and that RED and		BLACK are
			connected to + and — , respectively.

WARRANTY

Aiphone warrants its products to be free from defects of material and workmanship under normal use and service for a period of one year after delivery to the ultimate user and will repair free of charge or replace at no charge, should it become defective upon which examination shall disclose to be defective and under warranty. Aiphone reserves unto itself the sole right to make the final decision whether there is a defect in materials and/or workmanship; and whether or not the product is within the warranty.

This warranty shall not apply to any Aiphone product which has been subject to misuse, neglect, accident, or to use in violation of instructions furnished, nor extended to units which have been repaired or altered outside of the factory. This warranty does not cover batteries or damage caused by batteries used in connection with the product.

This warranty covers bench repairs only, and any repairs must be made at the shop or place designated in writing by Aiphone. Aiphone will not be responsible for any costs incurred involving on site service calls.

AIPHONE CO., LTD., NAGOYA, JAPAN

AIPHONE CORPORATION, BELLEVUE, WA, USA

AIPHONE S.A.S., LISSES-EVRY, FRANCE

http://www.aiphone.com/

Printed in Japan (E)

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