PROTEUS XR/a
GE MEDICAL SYSTEMS Operator Manual
REV 11 DIRECTION 2259724-100
12-3
Table 12-1
TROUBLESHOOTING: FAULTY OPERATION & OPERATOR ERRORS
Cause Circumstance Type of
error
Cause Corrective action
Tube light lit Following
intensive use
Operator
error
1) Working rate too
high
2) Select kV too low
1) Reduce work rate
2) Use higher kV Values
3) Wait for tube housing to cool
before continuing
Inhibition light
flashing
At any time Operator
error
X-ray room door
open
Close the x-ray room door
Inhibition light lit
together with
flashing of
parameter
During rad
parameter
change
operation
Operator
error
Parameter too high
or too low
Modify mAs, mA or ms values as
indicated by back lighting
Inhibition light lit
together with
flashing of
parameter
Following a
series of
exposures
Operator
error
Work rate too high-
incompatible with
selected parameters
1) Wait indicator goes out to
resume work
2) Reduce mAs, mA and ms
parameters or reduce work rate
Reset key
flashes with
buzzer, no error
code
Exposure
underexposed
Operator
error
Exposure button
released before end
of exposure
Cancel inhibit by pressing Reset
key and start exposure again
Reset key
flashes with
buzzer, no error
code
Exposure
underexposed
Sporadic
faulty
operation
Interference Cancel inhibit by pressing Reset
key and record occurrences and
call field service
Reset key
flashes with
buzzer, no error
code
After exposure
in AEC mode:
exposure
overexposed
Operator
error
Collimator shutters
too closed, thereby
covering
measurement cell
1) Open collimator or change
measurement cell selection
2) Cancel inhibit by pressing
Reset key
Reset key
flashes with
buzzer, error
code replacing
rad parameter
At power-up or
before exposure
At power-up
or before
exposure
Various 1) Record error code
2) Cancel inhibit by pressing
Reset key
Reset key
flashes with
buzzer, error
code replacing
rad parameter
During
exposure
Faulty
operation
1) Various
2) Gas in x-ray tube
Continue the exam, but:
1) if fault recurs immediately, stop
exam & call field service
2) if fault recurs intermittently,
record all occurrences and call
field service
Note: Remove the APR disk after completing the APR revision.
FOR TRAINING PURPOSES ONLY!
NOTE: Once downloaded, this document is UNCONTROLLED, and therefore may not be the latest revision. Always confirm revision status against a validated source (ie CDL).
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