TROUBLESHOOTING
5-14
VersaPulse Select Service Manual
0621-499-01 12/95
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CALIBRATE - touch to select the automatic laser calibration routine. "CALIBRATE" will be displayed
near the top of the screen. Depress the footswitch and hold it down to start the automatic laser calibration.
During calibration the system fires the rods to find eight values - two for each rod. The values are the cap
charge that will provide the lowest selectable pulse energy and the capacitor charge voltage that will
provide the highest selectable pulse energy (2.8 joules). The process takes just a few seconds. After
completion a message will appear on the screen indicating that the calibration is complete (the value
found can be viewed on the second service screen).
The second screen provides the following functions:
5V/±12V - displays the main processor ADC measurement for the DC power supply voltages.
TEMP C - displays the coolant temperature in degrees C.
CONDUCTIVITY - displays the coolant conductivity in µS.
MIN/MAX CAP CHARGE VOLTAGES - displays the cap voltages required to obtain min pulse energy
and maximum pulse energy for each head.
SHUTTER MODE - touch to select normal or service. In service mode the shutter can be moved by hand
without causing a system fault. This allows the slotted optical switch outputs to be checked.
LANGUAGE - touch to select displayed language Elglish/German/French.
Note: The service mode software screens are always in English.
NEXT SCREEN - touch to go to the first screen.
5.4 FAULT ISOLATION
Failures/malfunctions fall into the following general categories:
The system fails to turn on properly, or shuts off when it should not. See section 5.4.1.
The system turns on, but the Control Panel displays and/or operating controls do not respond properly,
and no fault code is displayed. See section 5.4.2
During power up tests, or during operation, the system displays one or more error codes. See section
5.4.3.
During power up self tests the system fails to pass autocalibration See Section 5.4.4
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