My gauge displays tube error. Whats the problem?
Answer There are two possible problems. First, the tubes have actually gone bad or the gauge may have gotten wet. The easy check in the field for 3440 and 4640 is to skip the countdown by pressing shift and the start/enter button at the same time. For 3430 press the down arrow and the start/enter button at the same time. At this point you should be at the ready screen. Take a standard count on the gauge and view the next step. If the standard counts are fine then continue operating the gauge. The gauge sometimes may give an erroneous error. If the standard counts are not proper do the following. A. The first step is to eliminate the possibility that moisture may have affected the gauge. Remove the keypad from the gauge and disconnect the ribbon cable. Allow the gauge to air dry for at least 2 hours, but preferably overnight if possible. Reconnect the keypad and bypass the countdown as stated above B. If the counts are off, density halved or if the moisture standard is off, NETS will ha
