Did you change the battery in the VM1000 base unit? It has to be changed
about every 3-5 years. (Mine lasted 7 until it went out--gave funny readings
on the display)
Doug Johnson


  "I have a VMS1000 with E100 and a Fuel tank level display indicator
  It had been working fine since 2003 and then suddenly on last July it
  didn't work correctly anymore !"