shudnall Posted November 25, 2014 Share Posted November 25, 2014 I have a GPL 170 which various columns on row A,B,C have failed. I have swapped cables, resistor board and it appears that the control board is not addressing those columns. Not familiar enough with how the columns are handled by the controller, I am sure there are other things I could do prior to buying a replacement control board. Just wanting to make sure I have covered the bases. Hate spending money foolishly....... Thanks for your help in advance...... Link to comment Share on other sites More sharing options...
AZVendor Posted November 26, 2014 Share Posted November 26, 2014 If you're certain that your shelf harness and diode board are good then have you put a different shelf in the A position to see if the same thing happens to the different shelf (and that maybe the A shelf motors all work when in a different shelf position as well)? If so and you can determine that the motors are good then you need to replace the logic board. I can send you an exchange logic board if needed. Just send me a PM. Link to comment Share on other sites More sharing options...
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