1. If the digit was not displayed once turned on the switch
a. Please check whether the power supply is good or not
b. Please check whether the bottom fuse wire is loose, burned-out or not
2. 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
3. If it didn’t reach the requirement even the vacuum pump works well
a. please checks whether the air suction pipe is well fastened or not
b. 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.
4. If the lamps were not lit up
a. Please check whether your voltage was too low or not
b. Please check whether the lamp ends were blackened or not caused by
lamp ageing
c. Please check whether your set exposure time was 0 second
d.Please
check whether the ballast was broken or not.
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