M-2008-7-15
Standard Frequency Series Generators
Maintenance
3
SECTION 3
OPERATION
3.1 OPERATING THE CONSOLE
1. Switch Control Power ON and turn Line Switch ON to X-Ray Control.
2. LED Display should light displaying MAS, MA and KVP. (LED’s indicates Unit is in operation).
3. Select 200 MA, 80 kVp, 1 Second. (LED Display should indicate 200 MAS-200MA-80 KVP).
4. Depress Rotor push-button (after a
2.2 second delay the
green
Ready lamp should energize. If the
ready lamp does
not energize
, the problem is in the
rotor circuit
or before). See Control Schematic.
5. When the green ready lamp energizes, depress the Exposure push-button and record the mA or
mAs test meter reading. The recorded mA or mAs should be in the range of
+/- 10% of the mA or
mAs selected
.
6. With Bucky Installed. If there is no exposure and the unit is switched to Bucky ON, change the
switch to Bucky OFF and retest.
(If exposure meets condition of 5 above, trouble is in the bucky
circuit).
7. If there is still no exposure initiated under condition
6
, the problem is most likely in the
Timer
,
Timer
Switch
, the
Ribbon Cable
connecting the timer to the timer switch, or the back-up contactor.
If any of the problems listed above are evident, refer to the Error
Code Table and the Troubleshooting section of this manual.
3.2 X-RAY EXPOSURE
1. Turn main line switch ON.
2. Turn X-Ray Control power switch ON. (Power ON).
3. Select mA.
4. Select kVp.
5. Select Time.
6. Select Bucky OFF, TABLE or WALL.
7. Position source and image receiver.
8. Take up position behind protective barrier.
9. Depress rotor push-button (After 2.2 seconds, green ready lamp energizes).
10. Depress Exposure switch keeping rotor push-button depressed. During x-ray production the amber
exposure lamp will illuminate. Upon termination of x-rays, an audible signal will be noticed
.
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