TECHNICAL INFORMATION
2
4/24
87-900-053-01 (
F
)
MAINTENANCE
Replacement controllers are available on advance
exchange basis through Varian service/sales
organization.
WARNING
High voltage in the controller can cause severe injury
or death. Before servicing, turn power off and remove
the power cable.
Troubleshooting
a. No current/voltage LED bar graph lit with mains
power ON.
−
Verify mains connections and power fuses
−
Verify on P001 that pins 3-7 are shorted.
b. VacIon pump is operating at pressures higher than
1x10
-5
mbar/Torr and only the first LED
is lit.
−
No high voltage output. Replace the unit.
c. VacIon pump operating at pressure below
1x10
-7
mbar/Ton and all LED are lit.
−
Switch power off and disconnect the high
voltage cable.
−
Switch power on and verify that only one LED is
lit. If this happens the high voltage cable or the
pump are shorted.
−
If not, replace the unit.
Controller Spares and Accessories
Description Part
number
Mating accessory connector
P001
03-648487
24 Vdc mating connector
CANNON XLR-3-11C
Fuse T 3.15A (5x20 mm)
Rack adapter
969-9191
Controller to Vacion Pump Cables
Description Part
number
H.V. bakeable cable, 4 m
long to connect 929-0196 to
Star Cell and new VacIon
pump series 919
929-0770
H.V. cable, 3.5 m long to
connect 929-0197 to
Appendage pumps and
conventional VacIon pump
series 911 and 912
924-0741
H.V. bakeable cable, 4 m
long to connect 929-0196 to
Appendage and
conventional VacIon pump
series 911 and 912
929-0780
