18
Problem
Cause
Solution
Level monitor alarm sounds
Ice or frost buildup on the
Remove level monitor from vessel
intermittently. Unit measuring
transducer.
and place in room for approximately
liquid level incorrectly.
twenty minutes. Make sure lid is
standing upright on the cork to allow
moisture to drain out of level monitor.
Place level monitor back on unit.
(Remember to press “Reset” button.)
Level monitor measuring “Full”
Fog in top part (neck area) of
The density of the fog that is formed
after removing samples and
cryogenic vessel.
after removing the lid and accessing
replacing lid.
samples is dependent on the humidity
of the room where the cryovessel is
found. The fog dissipates after about
fifteen minutes and at this time the
level monitor will take an accurate
reading of the liquid nitrogen level.
Liquid Nitrogen Level Monitor
Troubleshooting
