Bovie AARON 2250 Service Manual (English)

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iService Guide • Aaron 2250

SERVICE GUIDE

Equipment Covered in this Manual2
For Information Contact2
Safety Precautions When Operating the Generator3
Applicable Safety Standards3
Conventions Used in this Guide3
Table of Contents4
The Aaron 22509
Functional Description10
Unit Description11
Safety Precautions When Repairing the Generator11
General Warnings, Cautions, and Notices11
Active Accessories12
Fire / Explosion Hazards12
Generator Electric Shock Hazards13
Servicing13
Cleaning13
Controls, Indicators, and Receptacles15
Front Panel16
Figure 2 - 1 Layout of Controls, Indicators, and Receptacles on the Front Panel16
Controls and Indicators Overview17
Symbols on the Front Panel18
Cut and Blend Controls19
Figure 2 - 2 Controls for the Cut and Blend Modes19
Coag Controls20
Figure 2 - 3 Controls for the Coag Mode20
Bipolar Controls21
Figure 2 - 4 Controls for the Bipolar Mode21
Indicators22
Figure 2 - 5 Indicators for Power, Return Electrodes, and Footswitch Control22
Power Switch and Receptacles23
Figure 2 - 6 Location of the Unit Power Switch and Front Panel Receptacles23
Rear Panel24
Symbols on the Rear Panel24
Figure 2 - 7 Layout of Connectors and Controls on the Rear Panel24
Technical Specifications25
Performance Characteristics26
Input Power26
Duty Cycle26
Dimensions and Weight26
Operating Parameters26
Transport and Storage26
Audio Volume27
Return Electrode Sensing27
Low Frequency (50-60 Hz) Leakage Current27
High Frequency (RF) Leakage Current28
Standards and IEC Classifications28
Class I Equipment (IEC 60601-1)28
Type CF Equipment (IEC 60601-1) / Defibrillator Proof28
Drip Proof (IEC 60601-2-2)28
Electromagnetic Interference28
Electromagnetic Compatibility (IEC 60601-1-2 and IEC 60601-2-2)28
Voltage Transients (Emergency Generator Mains Transfer)28
Output Characteristics29
Maximum Output for Monopolar and Bipolar Modes29
Output Power Curves30
Figure 3 - 1 Output Power Vs Impedance for Cut Mode30
Figure 3 - 2 Output Power Versus Impedance for Blend Mode, Set at Minimum30
Figure 3 - 3 Output Power Versus Impedance for Blend Mode, Set at Maximum31
Figure 3 - 4 Output Power Vs Impedance for Coagulation Mode31
Figure 3 - 5 Output Power Vs Impedance for Fulguration Mode32
Figure 3 - 6 Output Power Vs Impedance for Bipolar Mode32
Output Waveforms33
Figure 3 - 7 Cut Set to 200 W, at no Load, Open33
Figure 3 - 8 Cut Set to 200 W, Actual Power 200 W at 300 Ohm Load33
Figure 3 - 9 Blend Minimum Set to 200 W, at no Load, Open34
Figure 3 - 10 Blend Minimum Set to 200 W, Actual Power 200 W at 300 Ohm Load34
Figure 3 - 11 Blend Maximum Set to 200 W, at no Load, Open35
Figure 3 - 12 Blend Maximum Set to 200 W, Actual Power 200 W at 300 Ohm Load35
Figure 3 - 13 Coagulation Set to 120 W, at no Load, Open36
Figure 3 - 14 Coagulation Set to 120 W, Actual Power 120 W at 500 Ohm Load36
Figure 3 - 15 Fulguration Set to 80 W, at no Load, Open37
Figure 3 - 16 Fulguration Set to 80 W, Actual Power 80 W at 500 Ohm Load37
Figure 3 - 17 Bipolar Set to 80 W, at no Load38
Figure 3 - 18 Bipolar Set to 80 W, Actual Power Set to 200 W Load38
Theory of Operation39
Block Diagram40
Functional Overview of Key Circuits40
Controls and Indicators40
Activation Sense Circuits (5)40
Figure 4 - 1 Functional Block Diagram of the Aaron 2250 System40
Temperature Sensing Circuits (3)41
Neutral Electrode Monitoring Circuit (NEM)41
Footswitch Sensor Circuits (2)41
Input Voltage41
Display Control Circuits41
Control Circuit42
Power Factor Correction Circuit (PFC)42
Power Supply42
Switch Mode Power Supply Circuit (SMPS)42
Auxiliary Relay42
Speaker Circuit42
RF Drive42
HV Relay42
Output42
Sense and Backup Sense Circuits42
Controls and Indicators43
Aaron 2250 Control Signal Inputs and Outputs43
Operating the Aaron 225049
Inspecting the Generator and Accessories50
Service Personnel Safety50
Installation and Placement51
Functional (Operational) Checks51
Operating the Unit51
Preparing for Monopolar Surgery52
Applying the Return Electrode52
Connecting Accessories52
Preparing for Bipolar Surgery52
Activating the Unit53
Maintaining the Aaron 225055
Cleaning56
Periodic Inspection56
Fuse Replacement56
Figure 6 - 1 Fuse Holder56
Fuse Replacement on the Main PCB57
Main PCB Fuse Information57
Figure 6 - 2 Fuse Location57
Troubleshooting59
Recommended Equipment for Troubleshooting60
Troubleshooting the Aaron 225060
Inspecting the Generator60
Inspecting the Receptacles60
Inspecting Internal Components61
Understanding Error Codes and Audio Tones62
Correcting Common Problems63
Main Board Test Points67
Display Board Test Points67
Repair Policy and Procedures69
Responsibility of the Manufacturer70
Returning the Generator for Service70
Step 1 - Obtain a Returned Goods Authorization Number70
Step 2 - Clean the Generator70
Step 3 - Ship the Generator70
Warranty71
Board Drawings, Schematics, & Assemblies73
How to Order Parts from Aaron Medical74
Aaron 2250 Design Breakdown and Drawing Reference74
Aaron Drawing and Schematic Package76
Main Board Schematic Block Diagram77
Power Factor Circuit78
Power Supply Circuit79
SMPS Circuit80
Power Generator Circuit81
High Voltage Relays Circuit82
Current / Voltage Sensors Circuit83
Current / Voltage Sensors (Backup) Circuit84
Audio Amplifier Circuit85
Display Block Diagram86
System Logic Circuit87
Display Control Circuit88
Neutral Electrode Monitoring Circuit89
Analog to Digital Converter Circuit90
Request Sense Hand Cut Circuit91
Request Sense Hand Coag Circuit92
Request Sense Foot Cut Circuit93
Request Sense Foot Coag Circuit94
Request Sense Foot Bipolar Circuit95
Foot Monopolar Contact Circuit96
Foot Bipolar Contact Circuit97
Silkscreen for Main PCB for Component Locations98
Silkscreen for Top of Display PCB for Component Locations99
Silkscreen for Bottom of Display PCB for Component Locations100
Silkscreen for Relay PCB for Component Locations101
Final Assembly Overview102
Cabling in Assembly103
Mechanical Front Panel Assembly104
Mechanical Back Panel Assembly105
Cabling Back Panel Assembly106

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Bovie AARON 2250 Specifications

General

Brand	Bovie
Model	AARON 2250
Category	Portable Generator
Language	English

Bovie AARON 2250 Service Manual

Table of Contents

Bovie AARON 2250 Specifications