Panasonic Troubleshooting Guide for 824 Phone System and PABX Solutions

4.1 Troubleshooting

4.1Troubleshooting

4.1.1Installation

	PROBLEM		PROBABLE CAUSE	SOLUTION
•	Extension telephone does	•	Faulty connection	• Plug the telephone into the same
	not function.		between the PBX and	extension port using a short telephone
			telephone.	cord.
				If the telephone functions, then the
				connection between the PBX and the
				telephone must be repaired.
		•	Faulty telephone.	• Plug the telephone into a known
				functioning extension port. If the telephone
				does not function, replace the telephone.
		• A telephone with an A-A1		• Use a 2-wire cord.
			relay is connected.	Set the A-A1 relay switch of the telephone
				to the "OUT" or "OFF" position.
		•	Faulty extension card.	• Exchange the card for a known functioning
				one.
•	Proprietary telephones	•	The H and L pins of	• Turn the Power Switch to the "OFF"
	(PTs) connected to		extension jacks may have	position. Fix the shorted part, then turn the
	extension jacks do not		shorted.	Power Switch to the "ON" position.
	operate, but single line
	telephones (SLTs) do.
•	Noise heard through	•	If using an amplifier, noise	• Use a shielded cable to connect the PBX
	external pager		may be being introduced	and the amplifier or loudspeaker. A shorter
	(loudspeaker).		through the cable	cable will introduce less noise.
			connecting the PBX and
			the amplifier or
			loudspeaker.
•	Audio (Music on Hold,	•	Audio level from the output	• Decrease the output level of the external
	Background Music) is		of the audio source is too	audio source by using the volume control
	distorted.		high.	on the audio source.
•	Speed Dialling or One-	•	Incorrect programming.	• Store the outside (CO) line access number
	touch Dialling does not			(for example, 9 or 0, 81 through 88) at the
	function.			beginning of the telephone number.
•	Improper operation other			• Turn the Power Switch to the "OFF"
	than the above.			position, and then back to the "ON"
				position.

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Installation Manual