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Cap or Volt Charge FLT

This article guides you step-by-step on how to determine the cause of a Cap or Volt Charge Fault

Disclaimer: The procedures described herein should be performed only by or under the supervision of specialized technicians. LaserStar is not responsible for damage to parts, equipment, or persons attempting to perform any of these procedures without proper supervision or technical assistance, proper tools, or safety measures necessary for laser, high, and low voltage handling.

Step 1: Remove the side covers and turn the system ON. Write down if the “OK” light
Is Green or Red in the Cap Charger


Step 2: Check if the Cap Charger fan is working. If not, change the Cap Charger

 


Step 3: Turn OFF the machine. Remove from the Cap Charger the Coax cable with
the BNC connector. Turn ON the machine again and check if the error is still there.
If not, change the Cap Charger.

Image 1-2

Step 4: Locate the Control Board seen below

Image 2-1

Step 5: • Set the voltmeter to 200V DC. Set the parameters on the display to 200 volts,
1ms, 0Hz, 0.2mm


Step 6: Locate the following on the control card (TP1, R21, and R24)

Image 3-1

Step 7: Place the Black probe of the voltmeter onto “TP1.” Place the Red probe of
The voltmeter is on the left side of “R21”. Use the following formula to validate if the
Voltage is correct:

Divide the voltage across R21 by 10
Multiply the previous result by 400
The final value must match the voltage Setup on the display (Step 3) +/- 3V

Step 8: Place the Black probe of the voltmeter onto “TP1.” Place the Red probe of
the voltmeter on the left side of “R24”. Use the following formula to validate if the
Voltage is correct:

Divide the voltage across R24 by 10
Multiply the previous result by 400
The final value must match the voltage setup on the display (Step 3) +/- 3V

Step 9: Place the Black probe of the voltmeter onto “TP1.” Place the Red probe of
The voltmeter to the right pin of “J16” (Voltage should be 12V)


Step 10: Place the Black probe of the voltmeter onto “TP1.” Place the Red probe of
The voltmeter to the right pin of “J17” (Voltage should be 15V)


Step 11: Place the Black probe of the voltmeter onto “TP1.” Place the Red probe of
the voltmeter on the left side of “TP2” (Voltage should be 5V)

NOTE: This test is not 100% accurate. For a more accurate diagnosis, please send the control board and the capacitor charger to LaserStar for further evaluation in our laboratories.

 

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If you need our assistance with your issue, please contact our customer support team at (1) 888-LST-SRVC (578-7782). If you're looking for support outside of our regular business hours, please leave a voice message or send an email to service@laserstar.net