Question about Avaya 5400 Series 5410 Phone

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All phones are dead the green led light is on but all the phones remain blank. We had large storms move thru and the power was cut.

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Www.ntin.net/nortexattach/phonesystem/5400phones.pdf
manual above.

These units may indeed have been "Spiked" due to the lightning. This is a common event that I see often, these days in my shop. First you should try a "Reset' on each phone, if this doesn't remedy the issue, than that conclusively proves that they have been damaged due to some electrical power borne problems. When, this happens, usually the phones are a total loss, as the damage done, is often weird and unpredictable damage has been done, often to the power supplies inside the units and or the main control boards, I have found usually they are an uneconomic repairs. In saying that however i see no harm in one contacting the manufacturer and asking for a referral to an authorized service center, and then when referred, then ask them, for a "Quote" before proceeding with any repair.

Posted on Jun 03, 2010

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