Sotera 800 Series (825, 850) - Manual (Page 7)

7
TROUBLESHOOTING GUIDE
PROBLEM POSSIBLE CAUSE SOLUTION NOTES
Meter won't turn on •Dead batteries •Replace batteries. Seal to electronic chamber
•Damaged or contaminated •Replace electronics module is broken if display label is
electronics module & gaskets. removed or punctured.
Flashing decimal •Current total has rolled •Reset display to zero by pressing Meter will continue to
over button 2. operate normally.
Flashing or •Low batteries •Replace batteries. Use alkaline batteries.
dim display
Leaking fluid at
•Need thread sealant •Add Teflon pipe tape to joint.
inlet/outlet port •Cross-threaded port •Replace body
Fluid flows; meter •Meter disk sticking •Clean out meter chamber.
won't count •Damaged driver •Repair or replace chamber assembly.
or magnet
•Meter failure
•Repair or replace meter.
Meter reads high •Air in system •Prime system, fix suction leak at pump. Meter will count air.
•Wrong calibration factor •Use a higher calibration factor. See Chemical formulations
1-Step procedure sometimes change.
•See "Check Meter" in Appendix-A
Meter reads low by •Wrong calibration factor •Use a lower calibration factor. Chemical formulations
10% or less •See 1-Step procedure. sometimes change. Temperature
also affects accuracy.
Meter reads low by •Meter chamber is worn •Recalibrate meter with water. See
more than 10% •Chamber is partially Appendix-B. See "Check Meter" in
plugged Appendix-A.
•Clean chamber
•Damaged or very worn •Replace chamber and recalibrate
chamber meter.
Meter is not •Air in system •Prime system, fix suction leak at pump.
consistent •Particulates in fluid •Put screen in front of meter. 40 mesh minimum.
•Meter has worn or •Clean chamber
damaged chamber •Replace chamber.
Err0 •Calibration error •Recalibrate meter with more accurate Indicates fluid calibration is
container. out of acceptable window.
•Damaged chamber •Replace chamber. Volumetric container may
be off, there may be air in
the system, or the meter
chamber may be damaged.
Err1 •Damaged electronics •Repair or replace electronics. Contact factory.
•Software fault •Press 2 then recalibrate meter
Err2 •Bad eeprom •Replace electronics Meter still functions, but all
data will be lost if batteries
are removed.