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Bovie AARON 2250, Руководство по обслуживанию

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7-8

Aaron Medical

Situation

Possible Cause

Recommended Action

Generator is on and the 
accessory is activated, but 
the generator does not deliver
output.

Malfunctioning footswitch or
handswitching instrument

Power set too low

Display board malfunction

Main board malfunction

Relay board malfunction

NEM alarm

1. Turn off the generator. Check and correct all 

accessory connections.

2. Turn on the generator
3. Replace the accessory if it continues to 

malfunction.

Increase the power setting.

Replace the display board.

Replace main board.

Replace main board.

1. Check/connect the Return Electrode connection 

to the patient and connection to the generator.

2. Replace Return Electrode

Содержание AARON 2250

Страница 1: ...i Service Guide Aaron 2250 SERVICE GUIDE...

Страница 2: ...ment In the unlikely event that your generator fails within one year of purchase date Aaron Medical will warranty the product and effect factory repairs Please refer to Appendix A Warranty for what is...

Страница 3: ...ase 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 2001 09 Part 1 2 CENELEC EN 60601 1 Part 1 IEC 60601 2 2...

Страница 4: ...ntrols 2 7 Indicators 2 8 Power Switch and Receptacles 2 9 Rear Panel 2 10 Symbols on the Rear Panel 2 10 Technical Specifications 3 1 Performance Characteristics 3 2 Input Power 3 2 Duty Cycle 3 2 Di...

Страница 5: ...5 1 Inspecting the Generator and Accessories 5 2 Service Personnel Safety 5 2 Installation and Placement 5 3 Functional Operational Checks 5 3 Operating the Unit 5 3 Preparing for Monopolar Surgery 5...

Страница 6: ...et at Minimum 3 6 Figure 3 3 Output power versus impedance for Blend mode set at Maximum 3 7 Figure 3 4 Output power vs impedance for Coagulation mode 3 7 Figure 3 5 Output power vs impedance for Fulg...

Страница 7: ...l Converter Circuit B 18 Request Sense Hand Cut Circuit B 19 Request Sense Hand Coag Circuit B 20 Request Sense Foot Cut Circuit B 21 Request Sense Foot Coag Circuit B 22 Request Sense Foot Bipolar Ci...

Страница 8: ...viii Aaron Medical...

Страница 9: ...Unit Description Safety Precautions when Repairing the Generator CAUTIONS Read all warnings cautions and instructions provided with this generator before using Read the instructions warnings and caut...

Страница 10: ...ls Indicators and Receptacles Cut and Blend Controls The Blend mode improves the rate of targeted tissue desiccation without increasing the power delivered by the generator Two levels of coagulation P...

Страница 11: ...t or repair the generator General Warnings Cautions and Notices WARNINGS Use the generator only if the self test has been completed as described Otherwise inaccurate power outputs may result The instr...

Страница 12: ...ctivate the generator until the forceps have made contact with the patient Product damage may occur Fire Explosion Hazards WARNINGS Explosion Hazard Do not install the generator in the presence of fla...

Страница 13: ...These potentials are not isolated from the AC line Take appropriate precautions when testing and troubleshooting this area of the generator High frequency high voltage signals that can cause severe bu...

Страница 14: ...1 6 Aaron Medical...

Страница 15: ...2 1 Service Guide Aaron 2250 CONTROLS INDICATORS AND RECEPTACLES This section describes The Front Panel Controls and Indicators Overview The Rear Panel...

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

Страница 17: ...er Presets The front panel overlay contains 10 membrane switches Function Switches sometimes called matrix switches There is a membrane switch dedicated to each operational mode These switches toggle...

Страница 18: ...Split Return Electrode Solid Return Electrode Regulatory Symbology Read instructions before use Defibrillator proof type CF equipment RF Isolated patient connections are isolated from earth at high fr...

Страница 19: ...or Toggles between Cut and Blend modes Blend Amount Indicator Indicates the amount of blend added in the Blend mode More bars illuminated indicates more blend divided into 10 steps Blend Amount Contro...

Страница 20: ...e Coagulation or Fulguration Coag power output in increments of 1 to 10 watts Coag Activation Indicator Illuminates when Coag mode is activated Fulguration and Coagulation Mode Selector Toggles betwee...

Страница 21: ...r Power Display watts Indicates the power set for the Bipolar mode Displays error code in the event of an error Bipolar Power Control Buttons Increases or decreases the Bipolar power output in increme...

Страница 22: ...lectrode alarm condition Solid Return Electrode Indicator Illuminates when the system detects a solid return electrode Split Return Electrode Indicator Illuminates when the system detects a split retu...

Страница 23: ...witching Receptacle Accepts cables or adapters equipped with standard Aaron 12 active plugs Connect footswitching accessories Bipolar Receptacle Accepts standard cables for bipolar handpieces Connect...

Страница 24: ...ear Panel 2 10 Aaron Medical SYMBOLS DESCRIPTION Equipotential Ground Stud Non ionizing Radiation Volume Control Danger Explosion Risk If Used With Flammable Anesthetics Fuse Enclosed Relay Connector...

Страница 25: ...TECHNICAL SPECIFICATIONS All specifications are nominal and subject to change without notice A specification referred to as typical is within 20 of a stated value at room temperature 25 C 77 F and a...

Страница 26: ...e should be stored and used in a room temperature of approximately 770 F 250 C 3 2 Aaron Medical Ambient temperature range 34 to 65 C 29 to 149 F Relative humidity 0 to 75 non condensing Atmospheric p...

Страница 27: ...justable 70 dB 5dB Frequency 2 kHz 1 2 seconds 1 kHz 1 2 seconds Duration 2 seconds Solid Trip resistance 0 to 5 3 Continuous measurement Once the system establishes the solid return electrode resista...

Страница 28: ...does not wet electrical insulation or other components which when wet are likely to affect adversely the safety of the generator Electromagnetic Interference When other equipment is placed on or bene...

Страница 29: ...e Aaron 2250 Mode Output Power Output Frequency Repetition Rate Vp p max Crest Factor Rated Load Cut 200 W 300 490 kHz 5 kHz N A 2500 V 1 6 20 Blend Max 200 W 300 490 kHz 5 kHz 30 kHz 5 kHz 3300 V 3 5...

Страница 30: ...he curves that follow depict the changes for each mode at specific power settings Figure 3 1 Output power vs impedance for Cut mode Figure 3 2 Output power versus impedance for Blend mode set at Minim...

Страница 31: ...Figure 3 3 Output power versus impedance for Blend mode set at Maximum Figure 3 4 Output power vs impedance for Coagulation mode 3 7 Service Guide Aaron 2250 Coagulation...

Страница 32: ...Figure 3 5 Output power vs impedance for Fulguration mode Figure 3 6 Output power vs impedance for Bipolar mode 3 8 Aaron Medical Fulguration...

Страница 33: ...ide Aaron 2250 Output Waveforms The following figures are the output waveforms as viewed on an oscilloscope Figure 3 7 Cut set to 200 W at no load open Figure 3 8 Cut set to 200 W actual power 200 W a...

Страница 34: ...Figure 3 9 Blend minimum set to 200 W at no load open Figure 3 10 Blend minimum set to 200 W actual power 200 W at 300 ohm load 3 10 Aaron Medical...

Страница 35: ...Figure 3 11 Blend maximum set to 200 W at no load open Figure 3 12 Blend maximum set to 200 W actual power 200 W at 300 ohm load 3 11 Service Guide Aaron 2250...

Страница 36: ...Figure 3 13 Coagulation set to 120 W at no load open Figure 3 14 Coagulation set to 120 W actual power 120 W at 500 ohm load 3 12 Aaron Medical...

Страница 37: ...Figure 3 15 Fulguration set to 80 W at no load open Figure 3 16 Fulguration set to 80 W actual power 80 W at 500 ohm load 3 13 Service Guide Aaron 2250...

Страница 38: ...Figure 3 17 Bipolar set to 80 W at no load Figure 3 18 Bipolar set to 80 W actual power set to 200 W load 3 14 Aaron Medical...

Страница 39: ...ervice Guide Aaron THEORY OF OPERATION This section contains the following information Block Diagram Functional Overview of Key Circuits Controls and Indicators Aaron 2250 Control Signal Inputs and Ou...

Страница 40: ...ade up of a Colpitts Oscillator operating at approximately 50kHz and a level detection circuit In a non activation status the Colpitts Oscillator operates at its set operating frequency and presents a...

Страница 41: ...nce or absence of the monopolar and bipolar footswitch The footswitch sensors circuits are made up of a Colpitts Oscillator operating at approximately 50 kHz and a level detection circuit In a non act...

Страница 42: ...ply Circuit SMPS This circuit generates the high current voltage necessary to deliver the output power Auxiliary Relay The Auxiliary Relay Circuit is used to control the relay connection on the rear o...

Страница 43: ...tch supplies the AC mains current to the generator AARON 2250 CONTROL SIGNAL INPUTS AND OUTPUTS The following table lists the important input and output signals From a troubleshooting standpoint the a...

Страница 44: ...l from the cut monopolar hand sense circuit This signal is generated by a colpitts oscillator located on the display board and an isolation transformer located on the main board When an activation req...

Страница 45: ...ors ENTER This is an input signal to the system logic to initialize the NEM calibration routine DISP_BIP_SEL_0 DISP_BIP_SEL_2 These are output signals from the system logic to control the bipolar disp...

Страница 46: ...re wave for activating the alarm siren This signal is used by the audio circuit AUX_RLY This is an output signal from the system logic that controls the accessory relay on the back panel FULG_EN This...

Страница 47: ..._0 This is an output signal from the system logic to the display circuit for controlling the LED s on the Blend bar BLEND_LED_SEL_1 This is an output signal from the system logic to the display circui...

Страница 48: ...age sensor to the control logic Used to monitor the output voltage of the unit L_TRANS_1 This is an input signal from the impedance sensor to the control logic Used to monitor the output voltage of th...

Страница 49: ...OPERATING THE AARON 2250 This section covers the following topics Inspecting the Generator and Accessories Service Personnel Safety Installation and Placement Functional operational Checks Operating...

Страница 50: ...between the electrosurgical generator and other electronic equipment such as monitors An activated electrosurgical generator may cause interference with them Nonfunction of the generator may cause in...

Страница 51: ...f space from the sides and top of the generator for cooling Normally the top sides and rear panel are warm when you use the generator continuously for extended periods of time 3 Plug the generator pow...

Страница 52: ...ustment is preformed by pressing the up or down buttons next to the Cut display This selection should advance the power display numbers in 1 to 5 watt increments Verify that the Cut mode can be adjust...

Страница 53: ...cator graph 3 Monopolar Coag select the mode of operation for coagulation Coagulation or Fulguration then select the coagulation power settings by pressing the up and down buttons next to the Coag pow...

Страница 54: ...5 6 Aaron Medical...

Страница 55: ...6 1 Service Guide Aaron 2250 MAINTAINING THE AARON 2250 This section covers the following topics Cleaning Periodic Inspection Fuse Replacement...

Страница 56: ...lidated infection control procedure Do not allow fluids to enter the chassis Do not sterilize the generator PERIODIC INSPECTION Every six months visually inspect the Aaron 2250 for signs of wear or da...

Страница 57: ...ower Cable Receptacle on the rear panel 3 Remove the six screws that secure the cover panel to the unit 4 Lift off the top cover panel 5 Remove the two fuses using a fuse pulling tool 6 Replace the fu...

Страница 58: ...6 4 Aaron Medical...

Страница 59: ...7 1 Service Guide Aaron 2250 TROUBLESHOOTING This section includes error code descriptions and actions to take to resolve them...

Страница 60: ...e error condition Inspecting the Generator If the Aaron 2250 malfunctions check for obvious conditions that may have caused the problem 1 Check the generator for visible signs of physical damage 2 Ver...

Страница 61: ...ck the Return Electrode receptacle 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...

Страница 62: ...imultaneous activation of the cut and coagulation modes The activation mode is first come first served This means that whichever mode is selected first will be the function the unit is activated to di...

Страница 63: ...ion signal lost on main board Sensing circuit malfunction Replace the Footswitch connector assembly 1 Check connect loose cable 2 Replace the main board Replace the display board Continuous monitor in...

Страница 64: ...oard malfunction Display board malfunction Relay board malfunction Disconnected or faulty handpiece Disconnected or faulty footswitch s Check the display for an error code Note the number and refer to...

Страница 65: ...surgical site 2 Make sure the current path from the surgical site to the return electrode does not pass through the vicinity of the heart or the site where the pacemaker is implanted 3 Always monitor...

Страница 66: ...ard malfunction Main board malfunction Relay board malfunction NEM alarm 1 Turn off the generator Check and correct all accessory connections 2 Turn on the generator 3 Replace the accessory if it cont...

Страница 67: ...V Ground TP9 12 VDC TP10 LV Ground TP12 Relay Ground TP13 Ground TP14 VAUX_SMPS TP15 RF Drive 2 TP16 Turns Ratio T14 TP19 Ground TP20 Power Ground TP21 Ground TP22 Turns Ration T14 TP23 RF Drive 1 TP2...

Страница 68: ...7 10 Aaron Medical...

Страница 69: ...8 1 Service Guide Aaron 2250 REPAIR POLICY AND PROCEDURES Refer to this section for information on Responsibility of the Manufacturer Returning the Generator for Service...

Страница 70: ...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 Clean the Genera...

Страница 71: ...ion discloses to Aaron Medical 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...

Страница 72: ...price 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 t...

Страница 73: ...B 1 Service Guide Aaron 2250 BOARD DRAWINGS SCHEMATICS ASSEMBLIES...

Страница 74: ...10 088 001 Frame Side Support 10 087 001 Frame Lower Support 10 083 002 Upper Frame Support 10 084 003 Base Plate 05 039 005 Rubber Feet 0 78125 Outer Diameter 10 086 003 Outer Cover 10 087 002 Lower...

Страница 75: ...Plug Assembly 25 046 003 5 Inch Ground Cable 1 4 Insulation 25 046 001 5 Inch Ground Cable 3 16 Connector 21 141 001 Power Harness IDS MISC P N Description 07 044 001 On Off Switch DPST Blk Snap Moun...

Страница 76: ...PCB ITEM 5 JP2 DISPLAY PCB ITEM 6 CABLE ITEM 42 JP3 MAIN PCB ITEM 5 JP10 DISPLAY PCB ITEM 6 JP11 MAIN PCB ITEM 5 JP9 DISPLAY PCB ITEM 6 CABLE ITEM 43 JP4 MAIN PCB ITEM 5 JP23 DISPLAY PCB ITEM 6 CABLE...

Страница 77: ...Main Board Schematic Block Diagram B 5 Service Guide Aaron 2250...

Страница 78: ...Power Factor Circuit B 6 Bovie Medical...

Страница 79: ...Power Supply Circuit B 7 Service Guide Aaron 2250...

Страница 80: ...SMPS Circuit B 8 Bovie Medical...

Страница 81: ...Power Generator Circuit B 9 Service Guide Aaron 2250...

Страница 82: ...High Voltage Relays Circuit B 10 Bovie Medical...

Страница 83: ...Current Voltage Sensors Circuit B 11 Service Guide Aaron 2250...

Страница 84: ...Current Voltage Sensors Backup Circuit B 12 Bovie Medical...

Страница 85: ...Audio Amplifier Circuit B 13 Service Guide Aaron 2250...

Страница 86: ...Display Block Diagram B 14 Bovie Medical...

Страница 87: ...System Logic Circuit B 15 Service Guide Aaron 2250...

Страница 88: ...Display Control Circuit B 16 Bovie Medical...

Страница 89: ...Neutral Electrode Monitoring Circuit B 17 Service Guide Aaron 2250...

Страница 90: ...Analog to Digital Converter Circuit B 18 Bovie Medical...

Страница 91: ...Request Sense Hand Cut Circuit B 19 Service Guide Aaron 2250...

Страница 92: ...Request Sense Hand Coag Circuit B 20 Bovie Medical...

Страница 93: ...Request Sense Foot Cut Circuit B 21 Service Guide Aaron 2250...

Страница 94: ...Request Sense Foot Coag Circuit B 22 Bovie Medical...

Страница 95: ...Request Sense Foot Bipolar Circuit B 23 Service Guide Aaron 2250...

Страница 96: ...Foot Monopolar Contact Circuit B 24 Bovie Medical...

Страница 97: ...Foot Bipolar Contact Circuit B 25 Service Guide Aaron 2250...

Страница 98: ...Silkscreen for Main PCB for Component Locations B 26 Bovie Medical...

Страница 99: ...Silkscreen for Top of Display PCB for Component Locations B 27 Service Guide Aaron 2250...

Страница 100: ...Silkscreen for Bottom of Display PCB for Component Locations B 28 Bovie Medical...

Страница 101: ...Silkscreen for Relay PCB for Component Locations B 29 Service Guide Aaron 2250...

Страница 102: ...Final Assembly Overview B 30 Bovie Medical...

Страница 103: ...Cabling in Assembly Refer to page B 4 for list of cables B 31 Service Guide Aaron 2250...

Страница 104: ...Mechanical Front Panel Assembly B 32 Bovie Medical...

Страница 105: ...Mechanical Back Panel Assembly B 33 Service Guide Aaron 2250...

Страница 106: ...Cabling Back Panel Assembly B 34 Bovie Medical...

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