hello, has anyone with this particular cryostat experienced frost build up on the top interior area located above the microtome? I've also noticed the temperature has for the past couple of weeks been reading ~ 3 - 4 C colder than temperature setting. Thus far it seems to still be sectioning just fine. I'm just curious to know if this is an indication of a malfunction of some sort? I also need to mention that on Monday morning I also observed quite a bit of water on the floor of the lab where this instrument is housed and it's source has yet to be determined. Any pointers will be much appreciated.
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