If you have one of these De-soldering Station there is an important repair
IF
You have this problem
When you try to power up it -----> and it stays on for 2 seconds and goes OFF and restarts and keep doing same thing here is the fix for this problem
or if you can hold the suction switch and turn unit on and powers off and on
replace diode D1 = M7
The problem was ( D1 ) shorted the part # is ( M7 )
If you want to have blow up view of the photos go to this post
https://www.badcaps.net/forum/showthread.php?t=39651
Go to post # 20
Here is were you find this diode
http://www.ebay.com/itm/100Pcs-1N400...UAAOSw~gRV5mGP
I hope this help
IF
You have this problem
When you try to power up it -----> and it stays on for 2 seconds and goes OFF and restarts and keep doing same thing here is the fix for this problem
or if you can hold the suction switch and turn unit on and powers off and on
replace diode D1 = M7
The problem was ( D1 ) shorted the part # is ( M7 )
If you want to have blow up view of the photos go to this post
https://www.badcaps.net/forum/showthread.php?t=39651
Go to post # 20
Here is were you find this diode
http://www.ebay.com/itm/100Pcs-1N400...UAAOSw~gRV5mGP
I hope this help