METER AQUALAB User Manual

60
SERVICE
Table 6 Troubleshooting the AQUALAB VSA (continued)
Problem Possible Solutions
Remove sample. Sample is
too hot! error message
The sample temperature is too high for the instrument to
equilibrate within a reasonable amount of time. Ensure samples are
at the same temperature as the instrument.
Displayed a
w
is below
instrument detection limits
The sample is too dry for the instrument to read accurately. If a
sample has a water activity that is less than the detection limits of
the instrument, this message appears. There is not enough sample
moisture to condense on the mirror and provide a reading.
The mirror may be dirty. Clean the mirror and chamber (Section5.2)
and measure the sample again.
Dew point sensor failure
error message
The cooler is damaged and needs to be serviced by METER. Refer to
Section9.3 for detailed instructions.
Verification is not correct
Clean the sample chamber and components. Refer to Section5 for
detailed cleaning instructions.
If verification is still not correct, verify and adjust for linear offset
(Section6.2).
Crystal Failure. See
Manual for options. error
message
The crystal that runs the firmware is having trouble starting. Cycle
the power. If this message continues to appear, the instrument
needs to be serviced by METER (Section9.3).
Contaminated mirror.
error message
Clean the chamber mirror (Section5.2) and run the sample again. If
this message continues to appear, contact Customer Support.
Firmware is corrupted. See
Manual for options. error
message
The firmware on the instrument is corrupted and needs to be
reloaded. To download new firmware to the AQUALAB VSA models,
the instrument must be serviced by METER (Section9.3).
Missing bootstrap loader
error
The instrument cannot download new firmware updates. The
instrument needs to be serviced by METER (Section9.3).
Annual calibration reminder
This message appears at least 1 year since the instrument has
been calibrated and serviced by METER or local distributor. Return
the instrument to ensure that the VSA is working effectively
(Section9.3).
Click remind me later to be reminded in a couple of weeks, click do
not display again if you do not want the device to remind you in the
near future.
No equilibration points
available! error message
There are no data points in which the weight has stabilized. The
time it takes for an equilibration point to appear depends on the
sample phase changes and stage trigger timeout specifications.
Press the up or down arrow to view detailed data other than
equilibration points.
Desiccant cartridge is low Replace the desiccant cartridge desiccant (Section5.1).

METER AQUALAB Specifications

General

Brand	METER
Model	AQUALAB
Category	Measuring Instruments
Language	English