332312A - E4-5 Meter-Mix Dispense System, Operation ... - Graco Inc.

Screen IdentificationWarning ScreensA warning alerts the user that the machine may need adjustments to produce better results. The following are potentialwarning screens that may appear:If equipped with a material level sensor on the color reservoir, the warning will indicate that the material level is low. Ifthe warning has never been generated before the machine runs out of colorant, the low level sensor may need to berecalibrated.Recalibration: With the material empty, press the “Empty” switch on the low level sensor. Refer to the low level sensormanual that was provided with the machine to ensure the correct switch is pressed.This warning is generated if the percentage is too low, causing a shot spacing that is greater than 13 grams afterpressing the start pump button. Refer to Adjust the Colorant Injector Shot Size, page 30. After the shot size hasbeen changed, the new shot size will need to be determined and entered on the “Preset Screen.” This will cause themachine to take more shots to achieve the same color %. Another option is to increase the color % so the machineinjects more frequently. Rate is determined by “A” and “B” flow rate.22 332312A