Warning List - Thermo Scientific E-pure 1090 Series User Manual

Section 9
Troubleshooting
Symptom
Short cartridge life.

Warning List

9-2 E-pure® Water Purification
Probable cause
Cartridges being used are beyond
expiration date.
Change in feedwater
Color
RED
RED
RED
RED
YELLOW
YELLOW
YELLOW
GREEN
RED
Test and Remedy
Check the expiration date. Cartridges begin to lose capacity after being
stored two years from the date of manufacture. Replace the cartridges
with unexpired ones.
If a Thermo Scientific ROpure is characteristics. the feedwater source,
check that the membrane is functioning properly.
If a Thermo Scientific Still is the feedwater source, ensure that the
distillate temperature to the E-pure does not exceed 49°C (120°F.)
If tap water is the feedwater source, check the quality of the water. In
some cases, the quality of the water will change with the seasons.
Changing the source (city water to well water, or well water to city water)
will result in a water quality change.
If feedwater is from a central water purification system, verify water
quality and proper functioning of the system.
Error Message
TEMPERATURE BROKEN
SENSOR NOT FOUND
INVALID CONFIGURATION
DATASTICK NOT FOUND
ON HOLD
DEFAULT CALIBRATION
CALIBRATION DUE
POWER UP
CONTROL OVERFEED TIMER
Instructions /Error Cleared
CLEAR TEMPERATURE BROKEN
SENSOR FOUND
CLEAR INVALID CONFIGURATION
DATASTICK FOUND
CLEAR HOLD
CLEAR DEFAULT CALIBRATION
CLEAR CALIBRATION DUE
POWER DOWN
CLEAR CONTROL OVERFEED TIMER
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