Agilent Technologies XGS-600 - Troubleshooting; Error Codes

XGS-600 Gauge Controller
46
DRAFT 4/
15/14
Troubleshooting
Error Codes
Table 4-1 General Error Codes
Error Message Meaning Cause Action
BD COM Board Comm:
Internal
communication
error
Motherboard and sensor
board stopped
communicating
1. Cycle power to unit
2. Return unit for repair
GRIDLO
(HFIG bds only)
Grid voltage is too
low
❑ Pressure is too high
causing a glow dis-
charge
❑ HFIG board failure
1. Check BA gauge for grid
to filament short or grid to
housing short
2. Replace gauge
HITEMP
(HFIG and IMG bds
only)
Internal temperature
is above 75° C
❑ Fan failure
❑ XGS ventilation
openings blocked
❑ Internal temperature
above 75° C
1. Allow unit to cool
2. Check that fan is
operating
3. Ensure that there is
adequate ventilation around
the unit
NOFIL1
(HFIG bds only)
Filament is open or
cable disconnected
❑ Filament failure
❑ Ion gauge cable not
connected
1. Use second filament
2. Replace BA gauge
3. Check that cable is
installed
NOFIL2
(HFIG bds only)
Second filament is
open or cable
disconnected
❑ Filament failure
❑ Ion gauge cable not
connected
1. Replace BA gauge
2. Check internal sensor
board connections
3. Check that cable is
plugged in
Open
(CNV bds only)
No Convection
sensor detected
❑ Cable not
connected
❑ Sensor failure
1. Check cable
2. Replace sensor
P>MAX
(HFIG bds only)
Pressure is above
the maximum
operating point for
the gauge
❑ System vented from
vacuum with gauges
on
❑ Attempted to turn
gauges on with vac-
uum near overpres-
sure limit
1. Turn gauges off before
venting system or use
AUTO-ON
2. Wait for vacuum to
improve before turning on
ion gauges
No CBL
(Analog boards only)
No active gauge
cable detected
❑ Cable not con-
nected to XGS-600
1. Check cable