1) Exchange batteries by new ones.
2)Tight the flexible cord Keypanel vs display board.
3) Tight the connector from display board vs lower board.
4) Adjust the sensor reed switch see the diagram by 1/8"
5)put your software calibration to work, for diagnostic and adjust.see the instruction in your owner manual y/o under hood.
6) Adjust the speed sensor and tigh the connector very well.
7)Test the main motor for 115VAC, see the plate from motor for to check the voltage.
8)See the main motor board or lower board, Test for 115 Vac, and +5VDC for output from the main controller board and display board
See the block diagram and take the diagnostic very effective. sincerely.
Merry Christmas.
ernesto cuadra
managua, nicaragua. c.a.
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