Galvanic Applied Sciences ProTech903, Operation Manual

Page: 165 / 190

Revision 14
165 August 02, 2019
8. Stains unevenly spaced
(large gaps between stains).
This should be accompanied
by a Tape Movement alarm.
Optical Encoder not correctly
connected to sensor block.
Check that Optical Encoder connector
on the top right corner of the sensor
block is correctly connected.
Optical Encoder not rotating. Check that the Optical Encoder
capstan is rotating when the tape
advances. If not, the Optical Encoder
may need to be replaced.
9. Total Sulfur readings are
erratic.
Furnace is not hot enough Increase value in the Furnace Pulse
Width field in the Global page of the
GUI. If the erratic readings are
accompanied by a Low Temperature
Alarm (FURN on Analyzer Alarm List),
the furnace element may need to be
replaced.
10. 4-20mA outputs not
agreeing with display on the
screen.
Ranges are not configured
correctly.
check the analog output range values
on the Output tab of the GUI
11. Calibration, Reference,
or zero runs are not running
after being initiated by
keypad or schedule
ProTech903 is in Alarm 1 or PAA
condition on H
2
S Run
Wait until Alarm condition has cleared.
Calibration, reference, or zero run will
then automatically run in the order they
were initiated.
12. Sensor LED Current
Alarm
Sample Chamber is dirty
Analyzer is out of tape
Sensor is not calibrated
Clean sample chamber
Replace tape
Re-calibrate the sensor with clean
white tape installed. Access SenCal on
the keypad. Press the EDIT key and
press ENTER key to toggle the
parameter to ON. The sensor will
calibrate and then automatically go
online