1. Manuals
  2. Brands
  3. ConMed Manuals
  4. Portable Generator
  5. System 2450
  6. Service manual

ConMed System 2450 Service Manual

Electrosurgical generator
Hide thumbs Also See for System 2450:
Table of Contents

Advertisement

Quick Links

Service Manual
E
g
lEctrosurgical
EnErator

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the System 2450 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for ConMed System 2450

Summary of Contents for ConMed System 2450

  • Page 1 Service Manual lEctrosurgical EnErator...
  • Page 2 CONMED’s option) the same without charge, provided that routine maintenance as specified in this manual has been performed using replacement parts approved by CONMED. This warranty is void if the product is used in a manner or for purposes other than intended. © 2013 CONMED Corporation...

  • Page 3: Table Of Contents

    Table of Contents & List of Illustrations Section Title Page General Information ....Refer to Operator’s Manual (60-2451) Specifications ......Refer to Operator’s Manual (60-2451) Theory of Operation ................. 3-1 Mode Descriptions ..................3-1 3.1.1 Cut Major Modes ......................3-1 3.1.2 Coag Major Modes ......................
  • Page 4 Section Title Page DACview ....................4-12 4.10 Troubleshooting ..................4-12 4.10.1 HVPS Troubleshooting Hints ..................4-14 4.11 Parts Ordering Information ..............4-14 4.12 Assembly Breakdown/Parts Access ............4-15 4.12.1 Top Cover Removal & Replacement ................4-15 4.12.2 Bezel Removal & Replacement ..................4-16 4.12.3 Control/Display Board Removal &...

  • Page 5: Theory Of Operation

    Theory of Operation Section 3.0 System 2450™ 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.
  • Page 6 variable pulse width signal (RFGATE). This The RF Monitor is a Digital Signal Processor amplifier is combined through a relay with either (DSP) that is used to monitor the system for the Monopolar output transformer or the Bipolar safety problems that can result from a variety of output transformer to generate electrosurgical conditions.

  • Page 7: Figure 3.2 System Block Diagram

    Indicators: Activation & Mode Keyboard Modes / Activation Request Power Displays Activation Relay ACT RLY Connector Serial Interface RS232 Connector AL TONE ACT TONE System Controller A.R.M Patient RF Output Relays VARM RLY DRV Mono RF INH PFC EN HVEN RF MP VS RF Controller RF BP VS...

  • Page 8: Rf Power Supply (Rfps)

    3.2.1 RF Power Supply (RFPS) Controller (RFGATE). The base connections of the three parallel bipolar transistors are also driven The RFPS is comprised a line transformer and a by a signal that originates from the RF Controller Power Factor Control (PFC) section. The PFC (Vbase_PWM).

  • Page 9: Activation Command Sensing

    3.2.4 Activation Command Sensing of RF power using the VBASE_PWM and RFGATE outputs. To reduce the effects on Each of the Hand Controlled Accessory recep- the microprocessor circuits on the Control/ tacles incorporate inputs that are used to sense Display Board from RF noise at the output, an activation command from the user.

  • Page 10: Activation Tones

    Optional System Configurations mechanical switches allow the operator to set modes and adjust power settings. An eight-position configuration dipswitch (S2), • Display Panel: Consists of 7-segment displays located on the Control/Display Board Assembly and discrete dual colored LED’s that will display (A4) allows a qualified service technician to all controls and settings.

  • Page 11: Maintenance

    Connect a standard ohmmeter between the or ConMed factory technicians should perform earth ground prong on the power plug and the service on the System 2450. Refer all servicing to Equipotential Ground Connection. Compensate a Hospital Qualified Biomedical Technician. for lead resistance. Confirm less than 0.2 ohms If necessary, your CONMED sales representative resistance is measured.

  • Page 12: Output Power

    4.5.3 Output Power used for checking power to obtain the best results. 1) Equipment Requirements: 2) Use test leads to connect the ESU tester to a) Monopolar Footswitch the unit’s return electrode output and the b) Bipolar Footswitch footswitch controlled active output. Set the c) Commercial ESU Tester (e.g.

  • Page 13: Rf Leakage Measurement

    4.5.4 RF Leakage Measurement to the patient and operating room staff through unintended paths, which can cause injury. RF NOTE: To ensure accuracy when making leak- leakage occurs because the total energy in the age measurements, perform all leakage testing output voltage waveform is provided with a con- using methods and instruments that are com- ductive path through stray parasitic capacitance...

  • Page 14: Line Frequency Leakage

    2) One at a time, connect this series combination to each RF output terminal indicated in Table 4.5 and activate the unit using the corresponding command. Confirm that no meter readings exceed the specified maximum. Table 4.5 Allowable RF Leakage Current - Inactive Monopolar Outputs MEASURED TERMINAL ACTIVATED ACCESSORY MODE...

  • Page 15: Automatic Return Monitor (A.r.m.) Check

    5) Since the System 2450 monopolar active out- see Table 4.8; while that output is activated puts are disconnected by relays when the unit in Cut by the appropriate footswitch or hand is not activated, active-to-neutral leakage tests control jumper. Hand control cut activations...

  • Page 16: System Calibration

    • “nEr” will appear in the Monopolar Cut calibration if errors are identified. Power Digital Display, where “n” indicates The System 2450 stores its calibration in nonvola- how many major modes require calibration, tile semiconductor memory, so the calibration will...

  • Page 17: Figure 4.1 Calibration Procedure Flow Chart

    Calibration Set the Calibration System Configuration Dipswitch on the Controller to the ON position Turn main power switch on while pressing both Bipolar Mode Select Keys. Release Bipolar Mode Select Keys when the Monopolar Cut Power Digital Display indicates “ [AL” [AL rxx Press Tone Loudness Adjustment Down Key [u 500 P...

  • Page 18: Calibrating A Monopolar Mode

    4.6.3 Calibrating a Monopolar Mode After a minor mode has been calibrated, the associated minor mode indicator will quit flash- This section applies to the Pure Cut, Blend, ing. When all of the minor modes within a major Standard Coag, and Spray Coag modes. mode have been calibrated, the major mode Calibration may be performed by measuring cur- indicated in the Monopolar Cut Power Digital...

  • Page 19: Completing Calibration

    a resistor of this value ±1% between the two a few seconds after the Bipolar Mode Select active connections in the Two-Pin Dispersive Keys are released. This action will place the Electrode Receptacle. system in the Last Fault Code Mode (LFC). Electrosurgical outputs cannot be activated Calibrate the particular value connected by press- while the system is in LFC.
  • Page 20 • Press the Tone Loudness Adjustment Down switch is only read during Power on Self Test Key again and the configuration DIP switch (POST) or when the system is powered on, so settings will be displayed. “0” is for OFF and any changes to the switch positions should be a “1”...

  • Page 21: Figure 4.2 Dip Switch Positions

    Config. Title / Display Default Description for Description for On Switch Element Position LAST / Coag 10’s Defaults to Pure Defaults all modes and power levels to the Cut, Standard last activated settings from the last time the Coag, and Micro system was powered down.

  • Page 22: Dacview

    DACview 4) Move the DACview switch (Control/Display Board S2 position 8 – the change is recog- DACview is a troubleshooting aid that allows nized, not whether the switch is on or off). access to internal readings. The feature allows 5) The Monopolar Cut Power Digital Display is output voltage, current and power that the system used to display the selected DACview chan- reads to be output to a DVM or oscilloscope.
  • Page 23 Problem Possible Cause Display Panel Blank when System Confirm Jumpers JP1-5 are configured correctly for line voltage. Refer to power is Powered on (continued) board schematic for details. Unplug J8 and J17, and check continuity of transformer windings. Refer to power board schematic for details.

  • Page 24: Hvps Troubleshooting Hints

    WARNING: MAKE SURE THE LED FOR the inside front cover of this manual, or contact THE CIRCUIT YOU’RE WORKING ON your CONMED distributor. To ensure prompt IS OFF WHEN MAKING CONNECTIONS service, please provide the following information: OR TOUCHING CIRCUITRY.

  • Page 25: Assembly Breakdown/Parts Access

    When returning a unit, obtain a Return Authorization (R.A.) Number from CONMED Technical Services. Please mark the R.A. number on the outside of the carton for prompt service. Please enclose a brief note with the unit describing all of the symptoms found.

  • Page 26: Bezel Removal & Replacement

    4.12.2 Bezel Removal & Replacement Bezel Replacement: 1) Connect power switch connectors as shown, Bezel Removal: if required. 1) Remove Top. 2) Remove two flat-head screws on side of bezel and two pan-head screws on bottom of bezel White Black as shown.

  • Page 27: Power Board Removal & Replacement

    Reinstall bent to the proper shape. They should be these two purchased from CONMED with bent leads. screws first 3) When installing these parts, be sure to orient the Bellville washer as shown, with the convex surface next to the head of the screw.

  • Page 28: Fault Codes

    4.13 Fault Codes This section of the manual contains a table of fault codes. Each numeric fault code is listed along with a description of the fault, possible causes and things to check, and corrective actions. Table 4.12 Fault Codes Description Possible Cause Things to check...
  • Page 29 Description Possible Cause Things to check Correction Code Monitor boot- The program transmitted from Cycle system power and deter- Replace the Control/ load program the System Controller to the mine if this error is repeated. Display Board. does not match Monitor through the HPI controller ROM port at startup is faulty.
  • Page 30 Description Possible Cause Things to check Correction Code Display or Communication between the Cycle system power and deter- Replace the cable keyboard SPI Control/Display Board and the mine if this error is repeated. between the Display communication Display assembly over the SPI Check SPI_SCK, SPI_MOSI, and the Controller.
  • Page 31 Description Possible Cause Things to check Correction Code The unit or a The system or a mode was Calibrate any modes that need Replace the Control/ mode was never never calibrated. The Controller calibration. Display Board if calibrated was replaced but not calibrated. the system will not calibrate.
  • Page 32 Description Possible Cause Things to check Correction Code 1.2 volt too high 1.2-volt power in the system is Check for proper connection of If +12V is out of too high. the ribbon cable. limits, replace or Check the +12V entering repair the Power Control/Display Board (TP66).
  • Page 33 Description Possible Cause Things to check Correction Code Monitor failed Errors found in software Cycle system power and deter- Replace the Control/ program CRC downloaded from the System mine if this error is repeated. Display Board. test Controller to the Monitor dur- ing initialization.
  • Page 34 Description Possible Cause Things to check Correction Code Monitor output Current detected through the Configure the system for test Repair or Replace channel current output channel current sensor mode operation and cycle power. the Power board. sensor failure that is used to detect a stuck Use DACview to compare the Replace the Control/ output relay does not match...
  • Page 35 Description Possible Cause Things to check Correction Code RF calibration System calibration required on Recalibrate the system. Configure Replace the Control/ failed POST one or more modes. the system for test mode opera- Display Board if tion and cycle power. Measure the system will not the actual power into a fixed calibrate.
  • Page 36 Description Probable Cause Things to check Correction Code POST monitor Reset machine and if error Cycle system power and deter- Replace the Control/ timed out- did repeats, then replace Control/ mine if this error is repeated. Display Board. not respond to a Display Board POST command Dial setting over...

Table of Contents

Save PDF