37
Hot Cathode Ionization High Vacuum Senor System
Cleaning the Controller Front Panel
The Series 919 Controller front panel is designed to resist most laboratory
solvents. It can be cleaned with water or isopropyl alcohol.
Do not use acetone on the front panel.
Servicing the Controller
The Series 919 Controller is designed to be maintenance-free under normal
operation. If a problem should occur, the following chart lists symptoms,
possible causes, and their remedies. With this guide, you should be able to
diagnose some problems and correct them. Those which fall outside the
scope of this chart are generally not serviceable by the user, and the unit
should be returned to HPS
®
for repair.
Replacing a Power Fuse
To change a Controller fuse,
1.
Unplug the power cord from the Controller.
2.
Insert a screwdriver blade under the tab to the left of the voltage
display on the line input connector and twist the screwdriver to
remove the cover and expose the fuse holders.
3.
Pull a fuse holder (marked with a white arrow) out and remove a fuse.
4.
Install the correct fuse, as indicated in the table below.
5.
Replace the fuse holder into the line input connector, and close the
power connector door.
Maintaining the Series 919
Hot Cathode System
Voltage, Range Voltage,
Nominal
Fuse (V)
(V)
(A)
90 to 110
100
T 1.25
110 to 130
120
T 1.00
210 to 230
220
T 0.63
230 to 250
240
T 0.50
AC power
connector with
fuse box
Fuses
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
Summary of Contents for HPS 919 Series
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