Description: Other service call Engine speed error: The speed information of the MAIN board is damaged.
Causes: Harness MAIN board
Remedy: MAIN board Check if the MAIN board in which is corresponded to the equipment model is installed. Check if the label color of the MAIN board (indicated in the figure with the arrow) is corresponded to the equipment model (indicated on the rating label). e-STUDIO2006: White e-STUDIO2306: Brown e-STUDIO2506: Purple • Position of the label to be checked