Candela Vbeam Perfecta Repair & Preventive Maintenance
VBEAM Perfecta
The VBEAM2 system is a flashlamp excited pulsed dye laser which delivers energy at a wavelength of 595 nm and a pulse width between 0.45 ms to 40 ms. The pulse durations are 0.45, 1.5, 3, 6, 10, 20, 30, and 40 ms. This laser system has the Dynamic Cooling Device (DCD) built into it which provides a short spray of cryogen prior to firing the laser pulse. The Dye cartridge is user replaceable. Laser energy is delivered through a delivery system handpiece, smart distance gauge and optical fiber which are all user replaceable parts. The delivery system consists of a cable, handpiece, and various size distance gauges. The cable contains the optical fiber, DCD line, and electrical cable. The handpiece houses the cryogen spray valve, bubble sensor, fingerswitch, one-wire ID microchip and the distance gauge receptacle.
The deionized water system is maintained at 60°C (140°F) to obtain optimum performance from the laser head. The dye solution is also maintained at 60°C (140°F) through a liquid-to-liquid heat exchanger. A 2000 Watt heater and air-cooled heat exchanger regulate the water at its proper temperature which in turn heats the dye solution to its proper temperature. An initial warm-up time of approximately 12 minutes (from a cold start) is required for the deionized water and dye solution to be at the correct operating temperature. This time varies depending on the ambient temperature in the room and the line voltage. (At low line voltage the heater's output power is less than 2000 Watts). The warm-up time of the cryogen canister is about 10 minutes. Thus, the system warm-up time is <15 minutes.
Fault Codes, Problems and Causes
Fault 1.1 - Bubble Detect Circuit Fault, HP Bubble circuit test didn’t detect a change in the signal with DCD- enable HP
Fault 3 - Shutter Fault, Shutter isn’t in correct state when checked or does not respond to actuation to correct state.
Fault 4 - HVPS Fault, High Voltage Power supply
Fault 5.1 - HV tolerance Fault , High Voltage Power Supply Tolerance fault.
Fault 5.2 - High Voltage Power Supply Charge time -out.
Fault 6.2 - Calibration Fault, Laser failed to complete calibration (CAL) to desired, Damaged or dirty windows, or Focal lens.
Fault 8.1 - Low DCD Pressure, Cryo canister may be empty
Fault 8.2 - Hight DCD Pressure, DCD setting may be out of range.
Fault 8.4 - DCD pressure sensor fault
Fault 9.1 - DI water temperature not in normal range after 60 minute warm-up
Fault 10.1 - HP type changed or unrecognized while in ready mode
Fault 10.4 - Fiber not detected while in ready mode.
Fault 10.5 - Spot size changed while in ready mode
Fault 11 - Wavelength out of range, Dye Solution may need COT
Fault 12.1 - Head energy (HD) of last treatment pulse was 14% lower than expected head energy (xHD)
Fault 12.2 - Head energy (HD) of last treatmentpulse was 14% Higher than expected head energy (xHD)
Fault 12.4 - HD total energy not evenly balanced between each subpulse.
Fault 12.5 - HD2 energy not within +-20% of HD1 energy
Fault 13 - Trigger switch fault, the redundant trigger swirched were in two different states for less than 1 second while in ready mode.
Fault 14 - The simmer circuit did not start or dropped out while in ready mode.
Fault 15.1 - Transmission fault, Low transmission
Fault 15.2 - High transmission, TX settings may be out of range.
Fault 16 - Replaced Canister, Display if canister bubble is detected in ready and DCD is enable.
Fault 17 - Purge Required, Bubble percentage is outside of tolerable range(+-15 % Bubbles)
Fault 18.1 - Circuit calibration Fault, Circuit calibration energy fault
Fault 19.1 - Trigger Fault
Fault 19.3 - Laser timer Fault.
Fault 19.4 - Lasing head power fault
Fault 19.5 - High Voltage Dump Fault
Fault 20.1 - Dye Pump Pressure Fault, Dye Pressure switch does not change when power turned on
Fault 20.2 - Dye cartridge top cover may not be fully or properly installed in place.
Fault 20.3 - NO dye cartridge present
Fault 24.1 - Insufficient COT, COT bottle may be empty, Flow of COT may be obstructed.
Fault 24.2 - COT limit Fault, COT addition exceeded its limits.