Please just cut off the power supply. 1 "RESET" for canceling the previous settings: if you want to reset the vacuum / exposure time, just press "VACUUM" / "EXPOSURE" and the left indicator light is lit up; Then press "RESET" and the original settings will turn to " 0 "; Next, you could set according to your needs. 2 "BACK" for stop working: if you want to stop vacuum pumping or exposure, just press the "BACK" button, that's ok.If the digit was not displayed once turned on the switch. Please check whether the power supply is good or not. Please check whether the bottom fuse wire is loose, burned-out or not. If the vacuum pump didn't work after putting the screen on the glass, closing the cover and pressing the "STRAT" button. Please check whether the leading wire of the vacuum pump is well connected or not.
If it didn't reach the requirement even the vacuum pump works well. Please checks whether the air suction pipe is well fastened or not. Please check whether the rubber blanket and its edgings were good and seal or not. If there were some splits on the rubber blankets or edgings, or some cracks of the edging adhesives, please fix them up with the sealing adhesive. If the lamps were not lit up.
Please check whether your voltage was too low or not. Please check whether the lamp ends were blackened or not caused by lamp ageing. Please check whether your set exposure time was 0 second.
Please check whether the ballast was broken or not. 1 Please cut off the power supply when you need to change the lamp or the ballast. 2 Avoid contact with hard objects to prevent glass surface scratching. 3 Consistent cleaning is needed according to your using frequency and operational environment, especially for the glass, vacuum rubber blanket and edgings. 15.6"19.6" (4050cm).Vacuum Time Setting Range: 0-999s. Exposure Time Setting Range: 0-999s. Machine Size: 27.5"27.5"7 (707018cm). · Package size: 31.3"29.9"9.5 (79.57624cm).
· Net weight: 47.4Lb / 21.5kg. · Gross weight: 67Lb /30.4kg. Default Voltage is 110 V. Orders are processed from Monday-Friday; Not on the weekends & public holidays. We will work with you to get the case resolved in the fastest method.Please contact with us at first for more details. If product was received damaged or not as described, please send us some pictures or videos, so we could well understand your problem, then solve them for you ASAP. Besides, it's much helpful for us to claim with UPS, remind our related department to pay much more attention to packaging later on. If an item is received damaged, customer service must be contacted within 7 days of receiving your item. Payments via eCheck do not clear immediately. Usually you will wait 5-7 days after checkout for it to clear.