GE Mag Starter?

Stmar

Stmar

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Equipment
B2650HSDC
May 23, 2017
906
42
28
Buffalo, Wyoming
Have a GE CR106E000ADA size 3 mag stater controlling a 480 volt irrigation water pump. The coil is not closing contacts. I am only getting 60 volts at the coil and since I have never heard of a 60 volt coil I think this the problem. Line power is correct, 240 volts per leg and 480 volts between legs. I am a bit fuzzy on controls so does anybody have a clue on why I am only getting 60 volts to the coil? I am sure that is the issue, not enough power to the coil to draw in the contacts.
P.S. I think the coil is 120 volts, trying to confirm that.
 
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North Idaho Wolfman

North Idaho Wolfman

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L3450DT-GST, Woods FEL, B7100 HSD, FEL, 60" SB, 743 Bobcat with V2203, and more
Jun 9, 2013
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Yes it's a 120 coil.
sounds like what you seeing is floating voltage.
Kill power, remove leads to coil and check resistance.
 
Stmar

Stmar

Active member

Equipment
B2650HSDC
May 23, 2017
906
42
28
Buffalo, Wyoming
North Idaho Wolfman said:
Yes it's a 120 coil.
sounds like what you seeing is floating voltage.
Kill power, remove leads to coil and check resistance.
Click to expand...
Will do, plan on checking it out tomorrow. What is "floating voltage" and any idea why it would show 60 volts? Without being there I am thinking it is a faulty control transformer than takes 240 volts from one of the power legs down to 120 volts for the coil. Does that sound feasible?
 
Stmar

Stmar

Active member

Equipment
B2650HSDC
May 23, 2017
906
42
28
Buffalo, Wyoming
Hate not being able to fix something but this ate my lunch. Transformer okay, coil ok, line power ok. Has to be something in the control circuit and it is more complicated than my experience can handle. Calling in the irrigation guy, hopefully we narrowed it down so that he can get it up and running quicker.
 
Stmar

Stmar

Active member

Equipment
B2650HSDC
May 23, 2017
906
42
28
Buffalo, Wyoming
Turns out it was the Motor Saver. At least we eliminated a lot of the components ahead of time, transformer was ok by the way, and it didn't take him much time to identify the problem. Plus it was probably the best case scenario as far as cost.
 
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