For further explanations check your operator's manual.

Problem:	Possible Solution:
AquaLab won't turn on	Power cord disconnected  Blown fuse
Long read-time	Dirty sample chamber  Sample desorbs moisture slowly  Propylene glycol present in sample  Broken chamber fan blade
Readisn on verification standartds are too high/low to  adjust	Dirty sample chamber if using salt solution, it may not  be in equilibrium
"Sample too hot" or "HI" message appears on screen	Sample not in thermal equilibrium with AquaLab
"aw < 0.0..." or "LO" message appears on screen	Dirty sample chamber or mirror sample too dry to be  accurately measured
"Block ROM failed" message appears on screen after  turning on (Series 3)	Block is disconnected from motherboard  Block memory component has failed
Triangle appears in upper-right corner (Series 3)	Mirror is dirty

If your problem is still not solved, please contact us via phone or email.