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THE AARON 1250 ELECTROSURGICAL GENERATOR

This section includes the following information:

Functional Description

Unit Description

Safety precautions when Repairing the Generator

General Warnings, Cautions, and Notices

Active Accessories

Fire/Explosion Hazards

Generator Electric Shock Hazards

Servicing

Cleaning

CAUTION

Read all warnings, cautions, and instructions provided with this generator before using.

Read the instructions, warnings, and cautions provided with electrosurgical accessories before
using. Specific instructions are not included in this manual.

9

Ser vice Guide • Aaron 1250

Summary of Contents for Aaron 1250

Page 1: ...1 Service Guide Aaron 1250 SERVICE GUIDE...

Page 2: ...chase date Bovie Aaron Medical will warranty the product and effect factory repairs Please refer to Appendix A Warranty for what is covered how long and How to Receive a Return Authorization Number Eq...

Page 3: ...rator please refer to the User s Guide for standard operating precautions APPLICABLE SAFETY STANDARDS CSA C22 2 NO 601 1 M90 UL 2601 1 UL IEC 60601 2 2 1998 90 CLASS 1 EQUIPMENT TYPE BF CENELEC EN 606...

Page 4: ...ndicators 20 Power Switch and Receptacles 21 Symbols on the Front Panel 22 Rear Panel 23 Symbols on the Rear Panel 23 Section 3 Technical Specifications Performance Characteristics 25 Input Power 25 D...

Page 5: ...Generator and Accessories 46 Service Personnel Safety 46 Installation and Placement 47 Functional Operational Checks 47 How to Set Up and Start the Aaron 1250 Unit 47 How to Check the Patient Return...

Page 6: ...sibility of the Manufacturer 64 Returning the Generator for Service 64 Obtain a Return Authorization Number 64 Clean the Generator 64 Ship the Generator 64 Appendix A Warranty 65 Appendix B Board Draw...

Page 7: ...vs power setting for Fulguration mode 32 Figure 3 9 Output power vs impedance for Bipolar mode 33 Figure 3 10 Peak voltage vs power setting for Bipolar mode 33 Figure 3 11 Cut mode waveform 34 Figure...

Page 8: ...8 Bovie Aaron Medical...

Page 9: ...gs Cautions and Notices Active Accessories Fire Explosion Hazards Generator Electric Shock Hazards Servicing Cleaning CAUTION Read all warnings cautions and instructions provided with this generator b...

Page 10: ...control of bleeding in highly vascular tissue over broader tissue surface areas Return Electrode Monitoring System The unit incorporates a return electrode contact quality monitoring system RECQMS Thi...

Page 11: ...d Otherwise inaccurate power outputs may result The instrument receptacles on this generator are designed to accept only one instrument at a time Do not attempt to connect more than one instrument at...

Page 12: ...se Generator Electric Shock Hazards WARNINGS Connect the generator power cord to a properly grounded receptacle Do not use power plug adapters Do not connect a wet power cord to the generator or to th...

Page 13: ...nents except when working on an energized generator Handle circuit boards by their nonconduc tive edges Use an anti static container for transport of electrostatic sensitive components and cir cuit bo...

Page 14: ...14 Bovie Aaron Medical...

Page 15: ...CONTROLS INDICATORS AND RECEPTACLES This section describes the front and rear panels including all controls indicators receptacles the fuse drawer and ports 15 Service Guide Aaron 1250...

Page 16: ...FRONT PANEL Figure 2 1 Layout of controls indicators and receptacles on the front panel 16 Bovie Aaron Medical...

Page 17: ...esired RF power level for all modes of operation The Power Control Knobs move at a graduated 1 watt per notch incrementally Watts Display A B Cut and Coag These large Power Output Displays report the...

Page 18: ...The volume of this alarm cannot be adjusted CUT AND BLEND CONTROLS Figure 2 2 Controls for the Cut and Blend modes 18 Bovie Aaron Medical Cut Blend Cut Cut Indicator Illuminates when Pure Cut Mode is...

Page 19: ...or Bipolar power output in increments of 1 watt Coag and Bipolar Power Display watts Indicates the power set for any Coag or Bipolar Mode Coagulation Indicator Illuminates when Coagulation Mode is sel...

Page 20: ...urn Electrode Indicator Illuminates when the system detects a single plate Monopolar Footswitch Control Indicator Illuminates when monopolar footswitch control is selected Bipolar Footswitch Control I...

Page 21: ...otswitching Receptacle Accepts cables or adapters equipped with standard Bovie 12 active plugs Connect footswitching accessories Bipolar Receptacle Accepts standard cables for bipolar handpieces Patie...

Page 22: ...Mode Bipolar Mode Indicators Split Plate Return Electrode Single Plate Return Electrode Power Switch and Handpiece Connectors Read instructions before use Type BF Defibrillator Proof Equipment Patient...

Page 23: ...Guide Aaron 1250 SYMBOLS DESCRIPTION Equipotential Ground Stud Non ionizing Radiation Volume Control Danger Explosion Risk If Used With Flammable Anesthetics Fuse Enclosed Relay Connector Footswitch...

Page 24: ...24 Bovie Aaron Medical...

Page 25: ...stated value at room temperature 25 C 77 F and a nominal input power voltage PERFORMANCE CHARACTERISTICS Input Power 25 Service Guide Aaron 1250 110 120 Volt 220 240 Volt Mains line frequency range n...

Page 26: ...distance of one meter Alarm tones meet the requirements for IEC 60601 2 2 Activation Tone 26 Bovie Aaron Medical Width 26 cm 10 25 in Depth 30 5 cm 12 in Height 15 2 cm 6 in Weight 6 5 kg 14 lbs Ambi...

Page 27: ...not adjustable 70 dB 5dBa Frequency 2 kHz for 1 2 second then1 kHz for 1 2 second Duration 2 seconds Single Plate Trip resistance 0 to 5 3 Continuous measurement Once the system establishes the singl...

Page 28: ...ce The generator minimizes electromagnetic inter ference to video equipment used in the operating room Electromagnetic Compatibility IEC 60601 1 2 and IEC 60601 2 2 The Aaron 1250 Electrosurgical Gene...

Page 29: ...ds For each output power vs impedance curve the upper curve represents readings taken at full power the lower curve readings taken at half power Figure 3 1 Output power versus impedance for Cut mode F...

Page 30: ...power versus impedance for Blend mode Figure 3 4 Peak voltage vs power setting for Blend mode 30 Bovie Aaron Medical Load Resistance ohms Output Power watts Open Circuit Peak Voltage volts Output Pow...

Page 31: ...5 meter leads Figure 3 5 Output power versus impedance for Coagulation mode Figure 3 6 Peak voltage vs power setting for Coagulation mode 31 Service Guide Aaron 1250 Load Resistance ohms Output Power...

Page 32: ...versus impedance for Fulguration mode Figure 3 8 Peak voltage vs power setting for Fulguration mode 32 Bovie Aaron Medical Load Resistance ohms Output Power watts Open Circuit Peak Voltage volts Outp...

Page 33: ...put power versus impedance for Bipolar mode Figure 3 10 Peak voltage vs power setting for Bipolar mode 33 Service Guide Aaron 1250 Output Power watts Open Circuit Peak Voltage volts Load Resistance oh...

Page 34: ...Reference Output Waveforms The following figures are the output waveforms as viewed on an oscilloscope Figure 3 11 Cut mode waveform Figure 3 12 Blend mode waveform 34 Bovie Aaron Medical...

Page 35: ...Figure 3 13 Coagulation mode waveform Figure 3 14 Fulguration mode waveform 35 Service Guide Aaron 1250...

Page 36: ...Figure 3 15 Bipolar mode waveform 36 Bovie Aaron Medical...

Page 37: ...EORY OF OPERATION This section includes the following information Block diagram Functional overview of key circuits System logic Aaron 1250 control signal inputs and outputs 37 Service Guide Aaron 125...

Page 38: ...h voltage power supply is 87 VDC 5V Low Voltage DC Supplies The unit incorporates four regulated low voltage levels to control generator operations They are 15 VDC 12 VDC 8 VDC and 5 VDC The 15 VDC ci...

Page 39: ...e oscillator shuts down the sense signal becomes 5 VDC logic 1 This informs the system logic that a handswitch or footswitch activation request has been made If the square wave from any of the request...

Page 40: ...the patient Controls and Indicators The Aaron 1250 controls and indicators are listed below MEMBRANE SWITCHES Toggle between modes DISPLAYS Seven segment displays indicate the output power in watts M...

Page 41: ...the system logic PAD_SED This is an input signal from Pad Sense Module that informs the system logic that a split plate Patient Return Electrode is attached to the patient When the Pad Sense Module s...

Page 42: ...ve CON_SENS This is an input signal that informs the system logic if the 24 pin ribbon cable between the main board and the display board is connected When the cable is connected a logic 0 0 VDC is se...

Page 43: ...the main board When an activation request is made this oscillator becomes a logic 1 5 VDC signal ACT_REQ_FOOT_A This is an input signal from the Foot A request sense circuit Foot A refers to the Cut...

Page 44: ...44 Bovie Aaron Medical...

Page 45: ...N 1250 This section covers the following topics Inspecting the generator and accessories Service personnel safety Installation and placement Functional operational checks Operating the unit 45 Service...

Page 46: ...Do not stack equipment on top of the generator or place the generator on top of electrical equipment These configurations are unstable and or do not allow for adequate cooling Provide as much distance...

Page 47: ...ceptacle on the back of the unit then to a properly grounded wall outlet 3 Connect a two pedal footswitch to the matching footswitch receptacle on the back of the unit Use only Aaron footswitches Alth...

Page 48: ...Return Electrode receptacle of the unit Verify that the green single plate patient return electrode indicator illuminates 3 Press the Cut pedal on the footswitch Verify that the Cut and Blend Activat...

Page 49: ...ulation or fulguration then select the Bipolar power settings by rotating the Coag and Bipolar Power Control Dial Activate the generator by pressing the appropriate button on the handswitch or footswi...

Page 50: ...50 Bovie Aaron Medical...

Page 51: ...MAINTENANCE This section includes the following information Cleaning the unit Performing periodic inspection Replacing fuses 51 Service Guide Aaron 1250...

Page 52: ...ns of wear or damage In particular look for any of the following problems Damage to the power cord Damage to the power cable receptacle Obvious damage to the unit Damage to any receptacle Accumulation...

Page 53: ...TROUBLESHOOTING This section includes error code descriptions and actions to take to resolve them 53 Service Guide Aaron 1250...

Page 54: ...s that may have caused the problem 1 Check the generator for visible signs of physical damage 2 Verify that all accessory cords are properly connected 3 Check the power cord Replace the power cord if...

Page 55: ...cle on the front of the unit for a broken pin or an obstruction 12 Insert a return electrode cable into the return electrode receptacle Verify a secure fit If the return electrode receptacle on the fr...

Page 56: ...then turn on the generator Do not press buttons or accessory activation devices during the self test If the alarm number reappears disconnect all accessories Turn off then turn on the generator again...

Page 57: ...nections Faulty power entry module or connections Check the power entry module and its cable connections Faulty power switch Replace the power switch Generator is on but did not complete the self test...

Page 58: ...n off the generator Check and correct all accessory connections Turn on the generator Replace the accessory if it continues to malfunction Display board malfunction Replace the display board Power set...

Page 59: ...erference with other devices only when generator is activated Metal to metal sparking Check all connections to the generator patient return electrode and accessories High settings used for fulguration...

Page 60: ...through the vicinity of the heart or the site where the pacemaker is implanted Always monitor patients with pacemakers during surgery and keep a defibrillator available Consult the pacemaker manufact...

Page 61: ...F DRIVE SIGNAL TP2 HV HIGH VOLTAGE POWER SUPPLY TP3 HVGND HIGH VOLTAGE GROUND TP4 15 VDC 15 VOLT DC POWER SUPPLY TP5 12 VDC 12 VOLT DC POWER SUPPLY TP6 8 VDC 8 VOLT DC POWER SUPPLY TP7 LVGND LOW VOLTA...

Page 62: ...62 Bovie Aaron Medical...

Page 63: ...REPAIR POLICY AND PROCEDURES Refer to this section for information on Responsibility of the manufacturer Returning the generator for service 63 Service Guide Aaron 1250...

Page 64: ...when you call Hospital clinic name customer number Telephone number Department address city state and zip code Model number Serial number Description of the problem Type of repair to be done Step 2 Cl...

Page 65: ...ical s satisfaction that the product is indeed defective This warranty does not apply to any product or part thereof which has been repaired or altered outside Aaron Medical s factory in a way so as i...

Page 66: ...ce for the goods sold by Aaron Medical to the customer There are no warranties which extend beyond the terms hereof Aaron Medical disclaims any liability hereunder or elsewhere in connection with the...

Page 67: ...AND SCHEMATICS This supplement contains the assembly drawings and schematics for the following printed circuit boards Control board Display board Footswitch board Power Supply RF board 67 Service Gui...

Page 68: ...ription 10 040 001 Back Panel White 10 041 001 Bottom Panel White 10 042 001 Top Panel White 06 053 001 Front Panel White CONNECTORS P N Description 21 073 001 Bipolar Receptacle Assembly 21 074 001 M...

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