Description

Parts4Laser guarantees all of our products to be of the highest quality at very competitive prices. This Candela Mini GentleLASE (MGL) high voltage power supply (HVPS), part number CAPS1212, is packaged and ready to ship.

CAPS1212

Additionally, this power supply is brand new and comes with a 1-year warranty 

1. Buy a brand new power supply, with 1 year warranty.(Only when installed by our technician).
2. Swap your power supply with one of our rebuilt power supply (fully tested and working).
3. Alternatively, send your power supply to us and we will rebuild it for you.

• MGL ,

 

HVPS Calibration Procedure

CAUTION !!

During this procedure it is possible that the laser may fire, emitting laser radiation.

Therefore SAFETY EYEWEAR must be worn. The eyewear must have an optical

density of at least 5.8 at 745 – 765 nm.

The high voltages present in this system are LETHAL. This procedure must be

performed only by those technicians who are familiar with the precautions required

when working with high voltage systems, and those who have been trained on the

MGL system and its particular hazards.

WARNING!!!!!

BEFORE WORKING WITHIN THE HV SECTION, ALWAYS DUMP THE HIGH VOLTAGE BY

SELECTING CHRG DISABLE FROM THE TOGGLE SCREEN, PULSING ONCE, THEN

ENTERING STANDBY. THERE WILL STILL BE ABOUT 150 V ON THE FLASHLAMP

CATHODE, SO THIS SHOULD BE DISCHARGED WITH THE DISCHARGE STICK.

ALWAYS MEASURE THE VOLTAGE AT THE FLASHLAMP CATHODE BEFORE

WORKING ON THE LASER RAIL.

WARNING – LASER LIGHT!!!

DURING THE HVPS TESTING, SOME LASER LIGHT WILL EXIT THE FIBER

RECEPTACLE. THEREFORE, BE SURE TO PUT A BEAM BLOCK AT THE OUTPUT

OF THE RECEPTACLE.

Calibration Steps

1. Remove the laser box cover.

2. Checking the bias voltage: IN STANDBY state. Connect the high voltage DVM probe

to measure the voltage on the laser rail mid way at the terminal where the two

flashlamp wires are connected together. Connect the high voltage probe ground lead

to chassis ground. Verify the voltage is 2200 VDC to 2600 VDC.

3. Checking the trigger pulse: Go to READY state. Set the high voltage to 0 volts using

the maintenance mode ‘HV Ctrl’ Screen. Pulse the laser and verify that a small flash

occurs at each flashlamp indicating the presence of a trigger pulse. Do not proceed

to the next step unless proper triggering of the lamps is achieved. Go to STANDBY

state and replace the laser box cover. In toggle screen press “Shttr Ctrl” to close

beam shutter. Verify “Shttr State” is highlighted.

4. Install the 1000:1 DVM high voltage probe on one terminal of the PFN capacitor.

Secure the probe in position and connect its ground lead to chassis.

5. On the HV CTRL screen, verify that the Charge Enabled button is highlighted.

Highlighted is the enabled condition. Adjust the high voltage setting for Voltage =

2000V.

MGentleLASE HVPS Calibration Procedure Candela Corporation

Page 4 of 5 Candela Corporation Proprietary 8503-01-0824, Revision A

6. Go to Ready. Verify that the high voltage charges up. Adjust potentiometer R147 on

the CPU I/O PCB so that the DVM on capacitor reads 2.000 VDC (2000 V) ±

0.002VDC.

Additional Calibration Steps

7. Adjust potentiometer R131 on the CPU I/O PCB so that the high voltage sample on

the maintenance screen reads 2000 V ± 5 V.

8. Set the high voltage to 1000 volts using the display panel. DO NOT PULSE THE

LASER. Allow the voltage to bleed down to 1200 V then pulse once. Verify the actual

high voltage on the DVM is 1.000 VDC (1000 V) ± 6VDC.

9. Verify that the high voltage sample on the maintenance screen is 1000 volts ± 9 volts.

10. Go to STANDBY. Press the Charge enabled button to disable the charge (not

highlighted) and go to READY. Pulse the laser to discharge the remaining voltage.

Use the discharge stick to completely discharge the three PFN capacitors. Go to

STANDBY. Remove all probes from the high voltage section and replace the plastic

shield.

11. Go to Standby state. Turn the laser off. Replace the laser box cove

Candela High Voltage Power Supply Important Information

Failure to send your machine for routine maintenance every 6-12 months can cause several issues with your machine and power supply. Specifically, here is how it works. In particular, the High Voltage Power Supply is responsible for providing energy to your laser or IPL machine. As a result, this energy feeds the components, enabling them to perform the needed treatment. If the machine components have become dusty or they have been worn down due to extensive use or mishandling, or the flash lamp has been worn down to the point where it does not hold same energy, the power supply will need to work harder in order to compensate. Consequently, if your power supply continues to work harder to compensate for issues in other components, it will eventually cease to work.

How Do I Know When The Power Supply is Not Working?

Your machine will usually give you an error to inform you that the power supply is no longer operating properly. In fact, this message usually reads, “HVPS,” which stands for High Voltage Power Supply. Therefore, we strongly recommend routine maintenance in order to avoid costly repairs and replacement parts. Finally, if you have any questions regarding your power supply, feel free to give us a call. We’ll be happy to help you.

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