Thermo Scientific Barnstead Smart2Pure 12 UF, Operating Instructions Manual

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15
Trouble shooting
80
Smart2Pure Thermo Scientific
Water leak • Leaky tubing connection
• Feedwater pressure > 6 bar
• Component defect (e.g. UV
quartz tube)
• Check and seal the tubing con-
nection
• Install a pressure reducer
• Contact the Thermo Fisher
Scientific service department
Dispensed water flow rate is too
low • Ultrafilter is blocked
• 0.2 micron final filter is
blocked
• Air in 0.2 micron final filter
• Replace ultrafilter (see “Changing
the ultrafilter” on page 71 )
• Replace the 0.2 micron final
filter
• Vent the 0.2 micron final filter
Error message:
Red LED in second line is light
up “Limit value Cond.“ • exhausted ultrapure cartridge
• Limiting value set too low
• Replace with new ultrapure
cartridge
• Check and reset the limiting
value
Error message:
Red LED in second line is light
up “Limit value Temp.“ • Temperature in system is too
high
• Limiting value is set too low
• Feedwater temperature is too
high
• Reduce temperature by letting
water flow out
• Check and reset the limiting
value
• Reduce the feedwater tempera-
ture
Error message:
'
Red LED in second line is light
up “Status Sens.“
• Interruption in cable to con-
ductivity measuring cell
• Measuring cell defect
• Check the cable and plug con-
nection
• Contact Thermo Scientific for
replacing
Error message:
Red LED in second line is light
up “Status Sens.“
The display shows “- -“ with
audible alarm. • Interruption in cable to con-
ductivity measuring cell
• Temperature sensor in mea-
suring cell defect
• Check the cable and plug con-
nector
• Contact Thermo Scientific for
replacing
Error Cause Remedy