Maintenance; Troubleshooting - Agilent Technologies MiniVac 929-0190 Bedienungshandbuch

Maintenance

Replacement controllers are available on advance exchange basis
through Agilent 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
b
c
MiniVac Controller User Manual / 87-900-049-01 (H)
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.

VacIon pump is operating at pressures higher than
-5
1x10 mbar/Torr and only the first LED is lit.
No high voltage output. Replace the unit.

VacIon pump operating at pressure below 1x10
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.

Technical Information
Maintenance
-7
mbar/Ton and
5
63/70