Siemens 72g class soft starter

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#9897 - 02/22/14 06:13 PM Siemens 72g class soft starter
Joined: Aug 2013 Posts: 116 Elev^te79 member
Elev^te79 member Joined: Aug 2013 Posts: 116	Is anyone aware of what components burn up on the logic board on a 72g class soft starter? Possibly a relay ? And a cap takes out the LCD screen ?

#9898 - 02/23/14 02:55 AM Re: Siemens 72g class soft starter [Re: Elev^te79]
Joined: Nov 2009 Posts: 146 kiwinightstalker mushroom
kiwinightstalker mushroom Joined: Nov 2009 Posts: 146	There is a thread on here about the problem......search siemens and youll find it!!! I used to be indecisive....now i"m not so sure

#9922 - 02/24/14 04:38 PM Re: Siemens 72g class soft starter [Re: kiwinightstalker]
Joined: Feb 2010 Posts: 60 bk2fla Service Manager
bk2fla Service Manager Joined: Feb 2010 Posts: 60 south florida	usual the j21 or j20 resistor I believe if I remember correctly All those who wonder are not lost

#9993 - 03/04/14 06:01 AM Re: Siemens 72g class soft starter [Re: bk2fla]
Joined: Aug 2013 Posts: 116 Elev^te79 member
Elev^te79 member Joined: Aug 2013 Posts: 116	So these components are filled in with some factory silicon or some type of gel. What needs to be used to get at the bad components ? Hot air? Heat gun ?

#10007 - 03/05/14 06:08 PM Re: Siemens 72g class soft starter [Re: Elev^te79]
Joined: Feb 2010 Posts: 60 bk2fla Service Manager
bk2fla Service Manager Joined: Feb 2010 Posts: 60 south florida	never repaired it myself usually send it out All those who wonder are not lost

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