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Author Topic: Manitowic Harvest Issues - Sensing harvest too soon.  (Read 896 times)

Offline clman

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Manitowic Harvest Issues - Sensing harvest too soon.
« on: December 29, 2013, 01:47:49 AM »

Model#: QW1305W

Was making ice too thick then too thin alternately without any adjustments. It needed cleaning so we cleaned it hoping that the slime on the bridge / thickness sensor might be causing it. Didn't solve the problem. The sensor was changed about 5 months ago because it was going into harvest too soon. The harvest light, then and now, would come on with the sensor detached from the spray tube and moved away from the grid several feet. Touching the sensor, while removed and not touching anything else, would cause it to trip harvest. I don't think it's supposed to be that sensitive. Disconnecting the sensor connector from the board was / is the only way to stop it from going into harvest. Touching the terminal on the board, without touching anything else, also causes it to switch into harvest.

I think it's the sensing circuit in the control board. The troubleshooting chart in the manual says the same. I know experience is everything. Anybody dealt with this before?


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