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3-1

System 5000™ functions and essential circuit information are provided in this section. This section begins

with a description of the key parameters for each mode. This is followed by an overview of how the system

functions and some key operational information for the modules within the system.

3.1

Mode Descriptions

The key functional parameters for each mode are presented here. Nominal mode specifications are provided

in section 1.2.11.
3.1.1 Cut Major Modes

Major

mode

Minor

Mode

RF frequency

Modulation: Number of

Pulses, Time on/off

Modulation: Frequency &

period

CUT

PURE

391 KHz

None

BLEND 1

391 KHz

16 pulses
40μs/10μs

20 KHz
50μs

BLEND 2

391 KHz

11 pulses
28μs/23μs

20 KHz
50μs

BLEND 3

391 KHz

10 pulses
26μs/24μs

20 KHz
50μs

Theory of Operation

Section 3.0

Activation of Pulse Cut will make the selected cut

mode, Pure Cut, Blend 1, Blend 2, or Blend 3

active for 70 milliseconds every 600 milliseconds.
NOTE: The low duty cycle of Pulsed Cut mode

makes the average power very low – about 12%–

when compared with the power displayed on the

front panel. The period is also long causing most

ESU analyzers to provide erratic or erroneous

readings. Correct power can be verified by mea-

suring the peak to peak current and comparing the

value with the current measured in the non-pulsed

mode.

3.1.2 COAG Major Modes

Major

mode

Minor Mode

RF frequency

Modulation: Number

of Pulses, Time on/off

Modulation:

Frequency & period

COAG

PINPOINT

391 KHz

4 pulses
10μs/40μs

20 KHz
50μs

STANDARD

562 KHz

Single pulse

39 KHz

SPRAY

562 KHz

Single pulse

19 KHz

Activation of Pulse Coag will make the selected

coag mode, either Standard or Spray, active for

2.5 milliseconds every 5 milliseconds. Displayed

power setting will represent the average power

being delivered which is approximately half the

power delivered during the pulses.

Standard and Spray Coag modes are fundamental-

ly different from the Cut modes in that the reso-

nant circuit of the RF Amplifier and Transformer

combination is excited by the energy of a single

pulse, causing the resonant circuit to ring until

the energy is dissipated. Circuitry in the amplifier

Содержание SYSTEM 5000

Страница 1: ...Service Manual E L E C T R O S U R G I C A L U N I T TM...

Страница 2: ...939 347 D477 082 D477 408 For Technical Service or Return Authorization Phone 303 699 7600 1 800 552 0138 Extension 5274 Fax 303 699 1628 For Customer Service or to order parts phone 1 800 448 6506 3...

Страница 3: ...1 Top Cover Removal and Replacement 4 1 4 3 2 Bezel Removal and Replacement 4 2 4 3 3 Processor Board Removal and Replacement 4 3 4 3 4 Transformer Board Removal and Replacement 4 3 4 3 5 Output Board...

Страница 4: ...e 4 2 Monopolar Coag Mode RF Output Power Accuracy 4 10 Table 4 3 Bipolar Mode RF Output Power Accuracy 4 10 Table 4 4 Allowable RF Leakage Current to Ground 4 11 Table 4 5 Allowable RF Leakage Curren...

Страница 5: ...de makes the average power very low about 12 when compared with the power displayed on the front panel The period is also long causing most ESU analyzers to provide erratic or erroneous readings Corre...

Страница 6: ...t are selected on a mode by mode basis using relays on the primary and sec ondary side of the transformers One transformer is used for monopolar outputs while the other transformer is for the bipolar...

Страница 7: ...ivation signal is consistent The Monitor has the capability to independently disable the electrosurgical output if a problem is detected The System Controller provides the primary con trol interface t...

Страница 8: ...includes current limiting on the output and has provisions to shutdown when the output of the Low Voltage Supply exceeds limits 3 2 2 RF Amplifier and Transformer The RF Amplifier and Transformer por...

Страница 9: ...re provided to isolate electrosurgical out puts and select which outputs are active The System Controller selects the appropriate output relays based upon activation command inputs The Monitor utilize...

Страница 10: ...e without any interac tion from the RF Controller or the System Controller To ensure that the Monitor can correctly perform its function the Monitor is resistively isolated from the other two proces s...

Страница 11: ...t may be used for activating external accessories such as smoke evacuation units 3 3 Optional System Configurations An eight position configuration dipswitch S2 located on the Controller PCB Assembly...

Страница 12: ...3 8 This page has been intentionally left blank...

Страница 13: ...itry while the unit is operational These features coupled with the warranty local support loaner equipment factory support toll free phone service to the factory and available fac tory training ensure...

Страница 14: ...t is not necessary to remove the four power switch connectors The bezel can be rotated off to the right side for output board removal To fully remove the bezel these connectors must be disconnected Sp...

Страница 15: ...Transformer Board Removal 1 Remove Top 2 Loosen the two screws mounting the board to the keyhole slots on standoffs and two screws mounting the board to the heatsink 3 Unlatch the ribbon cable and pow...

Страница 16: ...nd tighten the three screws 4 3 6 RF Amp Board Removal and Replacement RF Amp Board Removal 1 Remove Top Bezel and Transformer Board 2 Remove the four screws that attach the heatsink to the sheet meta...

Страница 17: ...tch the two cables 3 Slide Low Voltage Power Supply Module inward off the slots then upward to remove NOTE When servicing unit board can be held in heatsink as shown This will provide access to the lo...

Страница 18: ...previ ous position on the sheet metal chassis The heatsink has two pins that align into holes on the sheet metal chassis 2 Reinstall and tighten the six screws and latch the three cables Note Observe...

Страница 19: ...of the display shield 3 Disconnect the ribbon cable and remove the sheet metal display shield 4 Slide the round spacers off their studs 5 Disconnect the flex circuit connector Caution The flex circuit...

Страница 20: ...hten screws to 5 7 inch pounds 4 When installing the RF Power Supply transis tors or diodes replace components as shown and ensure the insulating tube is installed over the clip Locate the part on the...

Страница 21: ...te Micro Bipolar is particularly sensitive to the load resistance A 50 ohm load should be used for checking power to obtain the best results 2 Use test leads to connect the ESU tester to the unit s re...

Страница 22: ...5 Use test leads to connect the ESU tester to the Bipolar Accessory outputs 6 Perform the bipolar power tests indicated in Table 4 3 This table only provides the mini mum number of points to be tested...

Страница 23: ...urface 3 Set the unit for full power for the modes noted in the table Connect the ESU tes ter in accordance with the manufacturer s instructions OR connect the 200 ohm non inductive resistor in series...

Страница 24: ...ht Hand Controlled Standard Coag 48 4 6 5 Line Frequency Leakage CAUTION To prevent RF current from destroy ing the test equipment and or affecting leakage readings set all power settings to zero Circ...

Страница 25: ...ontrolled Cut 15 A Right Hand Controlled Active Reversed Open Right Hand Controlled Cut 15 A 4 6 6 Automatic Return Monitor A R M Check A R M has two specific ranges that will be tested initially and...

Страница 26: ...ion values Err 143 occurs One or more modes require calibration The Controller board assembly P N 61 6431 the Transformer board assembly P N 61 6445 or the Output board assembly P N 61 6461 is replace...

Страница 27: ...Coag Power Adjustment keys to match power current to Calibration Target Minimum activation 2 seconds release COA bP Cu PAd 10 Press Coag Scroll Key to select Pinpoint Spray and Standard Connect 10 ohm...

Страница 28: ...target level as possible The activation must be maintained for a minimum of 2 seconds to ensure the calibration is valid After the power is properly adjusted release the activation Press and release t...

Страница 29: ...ch error code stored is date stamped where the time and date the error occurred is also stored for retrieval When retriev ing the error codes it is also possible to retrieve the system settings when t...

Страница 30: ...wn Key followed by the Remote Power Control Key will clear the entire fault code memory The cut window will display Lr when codes are cleared Pressing the PC key again will display the optional system...

Страница 31: ...00 is displayed and the power must be cycled 3 SCOAG Cut 1 s On Allows simultaneous activation of two accessories for Pinpoint Coagulation Allows activation of only one accessory for Pinpoint Coagulat...

Страница 32: ...Cview switch again Table 4 10 DACview Channels Channel Source Function Scaling 0 No channel selected 1 Monitor RF RMS Power 300mS running average 0 01 V 1 W 2 Monitor RF RMS Power 0 01 V 1 W 3 Monitor...

Страница 33: ...11 are potential errors that may occur and problem solving ideas for each All error codes Err xxx can only be cleared by cycling power When an error code is displayed reset the system to determine if...

Страница 34: ...Note When the Test Mode is active most of the internal safety monitoring is inhibited See section 4 9 No output power One or more connections inside the system are bad Check A6J1 controller A6J2 monop...

Страница 35: ...ower is on It will become momentarily brighter dur ing POST The Forward Converter LED will normally be off unless it has been recently activated After activation it will slowly fade to off During POST...

Страница 36: ...the wire through T1 so it can be reconnected correctly Incorrect polarity can damage the Forward Converter 4 13 Parts Ordering Information To obtain replacement parts or additional infor mation regar...

Страница 37: ...ter ference to upset one of the processors Cycle system power and deter mine if this error is repeated Replace the Controller assembly 103 Corrupted com munications between the System Controller and R...

Страница 38: ...ted Replace the Controller assembly 108 RF TOKEN not incremented RF controller program scrambled The program transmitted from the System Controller to the RF Controller through the HPI port at startup...

Страница 39: ...ls toggle Replace the cable between the Display and the Controller Replace the Controller assembly Replace the Display assembly 117 5 0 volt too low 5 volt power in the system is too low Check the out...

Страница 40: ...d in the correct manner Recalibrate any uncalibrated modes See Section 4 7 Replace the Controller assembly if the system will not calibrate 140 A calibration EEPROM CRC failed POST ERROR The CRC for t...

Страница 41: ...assembly SPI circuitry Cycle system power and deter mine if this error is repeated Replace the Controller assembly 201 RF Controller emu lation restart Programming function only NA Return to ConMed 20...

Страница 42: ...mbly 314 POST Monitor or RF controller clock failure RF Controller or Monitor clock oscillator failure detected during POST Check for 10 MHz clock fre quency input to RF Controller and Monitor process...

Страница 43: ...lectrosurgical voltage out put too low during POST test indicating insufficient voltage from HVPS insuf ficient drive from the RF Controller failed RF Amplifier or a failed voltage sensing channel The...

Страница 44: ...libration mode See above See above 336 Calibration RF AC voltage cut feed back too high Monitor senses electrosurgical voltage out put too high during POST test indicating excessive voltage from HVPS...

Страница 45: ...peated Replace the Controller assembly 345 Monitor Power DMA or SPI hung The Monitor DMA or SPI interface to one of the ADCs has failed Cycle system power and deter mine if this error is repeated Repl...

Страница 46: ...ace the RF Amplifier Repair or Replace the RF Transformer board Repair or Replace the RF output board Replace the Controller assembly 358 Monitor sensed gate drive in idle 0W dial power setting The Mo...

Страница 47: ...n the RF Amplifier Repair or replace the RF Amplifier assembly Replace the Controller assembly 374 Damping circuit failed POST damping stuck on The Monitor detected a failure in the RF Amplifier dampi...

Страница 48: ...tone during activation This typically occurs because of a problem in the tone generation circuitry Listen for a tone during activa tion Verify that all internal cables are properly connected Increase...

Страница 49: ...fy the HVPS is function ing correctly see HVPS Troubleshooting Guidelines Replace the Controller assembly Replace or repair the HVPS 386 POST HVDC to 140V failed supply too low The HVPS output is too...

Страница 50: ...m power and deter mine if this error is repeated Replace the Controller assembly 392 Monitor detected a pulse mode on time that was too long The active pulse mode pulses are longer than the nominal du...

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