View source for Damage in 56W AC-Adapter, plastic housing melted

==Problem Description==
Some 56W (also called 54 watt) adapters manufactured by Delta Electronics Inc. may suffer overheat, resulting in melting of adapter housing and charring of the circuit board inside the housing.

Only some pieces unites are affected: '''P/N 02K6549''' (FRU  P/N 02K6550), only if it has three hollow pins.  No other IBM ThinkPad AC adapters are affected.

==Affected Models==
Laptops that ''originally'' carry this AC-adapter are:
*ThinkPad {{I1200}}, {{I1210}}, {{I1230}}, {{I1250}}, {{I1260}} <tt>(Machine Types 1161, 2666, 2667)</tt>
*ThinkPad {{I1300}}, {{I1330}}, {{I1370}} <tt>(Machine Types 1171, 2666, 2667)</tt>
* ThinkPad {{I1420}}, {{I1421}}, {{I1422}}, {{I1441}}, {{I1442}}, {{I1460}}, {{I1472}}, {{I1480}}, {{I1482}}, {{I1483}}, {{I1492}} <tt>(Machine Types 2621)</tt>
* ThinkPad {{I1540}}, {{I1541}}, {{I1542}}, {{I1560}}, {{I1562}}, {{I1592}} <tt>(Machine Types 2621, 2651)</tt>
* ThinkPad {{i1720}}, {{i1721}} <tt>(Machine Type 2627)</tt>
* ThinkPad {{240}} <tt>(Machine Type 2609, 2612)</tt>
* ThinkPad {{390}} <tt>(Machine Types 2624, 2626)</tt>
* ThinkPad {{S30}}, {{S31}} <tt>(Machine Types 2638, 2639)</tt>
(but you ''may'' be also using this 56W adapter with other ThinkPad models!!).

==Related Links==
*[http://www.adapterprogram.com/ibac/ IBM AC Adapter Replacement Program].
*[http://www.cpsc.gov/en/Recalls/2004/CPSC-IBM-Announce-Recall-of-AC-Adapters-for-Notebook-Computers-/ CPSC recall]
*{{IBMDOCURL|TPAD-RECALL|Lenovo document}} (as of mid 2013, Lenovo reorganised their support site yet again, and this is one the documents lost/discarded/removed)