20
Troubleshooting
Troubleshooting
Problems and Possible Solutions
Problems
Possible Cause
Possible Solutions
Excessive Venting
Wrong “Sample Type” selected
Verify the "Sample Type” in the method. To view method parameters,
select the method and select the information icon located at the
top of the screen. “Organic” is the recommend sample type for most
samples. Contact CEM before selecting any other sample types.
Vessel Plug not in place
Place vessel plug on top of liner before securing with the cap. See
“Vessel Assembly” for detailed instructions.
Vessels not properly torqued
Use provided torque tool to torque vessel
.
TempGuard message
appears during run
Some vessels are hotter than
others
• See “Liner Bake-out Procedure” to reduce differences in liners.
• Do not batch old and new liners. Run in separate turntables.
Uneven bar graphs during
run
Not enough similarity in sample
type or sample weight
Select samples with similar properties or use same in all vessels
and similar sample amounts.
Different acid(s) or acid volumes
being used in vessels
Run the same acid(s) and acid volume in each vessel in the
turntable.
Some vessels are hotter than
others
See “Liner Bake-out Procedure” to reduce differences in liners.
Some vessels contain acid
blanks
See "Sample Preparation Safeguards" for specific details when
running acid blanks.
Sleeve appearance has
changed
Sleeve has turned white (no
longer golden brown) and/or
stained on ends
Replace sleeve. To prevent sleeve damage, avoid high temperatures
for long periods of time. Wipe sleeves with damp cloth and allow to
dry if sleeve comes in contact with acid.