Ge healthcare ecg mac 400

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The distance between consecutive short lines indicates the selected speed. The printed output supplies data on the software contained in the unit reference number, version number, and date of preparation of the firmware , the results of the tests carried out during power-up, and details on the connected patient lead.

To exit the device diagnostic tests, press the config key and the left cursor together. Recommended maintenance A regular equipment maintenance program helps prevent unnecessary equipment and power failures and reduces possible health hazards. This chapter contains instructions for the following recommended maintenance:. Leakage tests to verify the equipment does not propose any health hazard. All responsible individuals employing the use of this device assume the responsibility for performing the recommended maintenance unless an Equipment Maintenance Agreement exists.

Required tools and supplies In addition to a standard set of hand tools, you need the following items:. Check the device and accessories for mechanical defects, which can impair their functioning. Ensure that the labels and inscriptions on the device relating to safety are clearly legible. Inspect the keys and keyboard to make sure they have correct markings on them and to ensure proper operation.

Exterior cleaning Clean the exterior surfaces once per month, and more frequently if needed. Use a clean, soft cloth and water with a mild detergent. Wring excess water from the cloth and wipe down the exterior surfaces of the device. Interior cleaning Check for dust on the interior components and clean as needed with commercially available compressed air.

Clean the thermal printhead periodically to ensure good print quality and long printer life. To clean the thermal printhead: 1. Wipe the glazed surface of the thermal printhead gently with cotton swabs and ethyl alcohol. NOTE Do not hit the thermal printhead with anything hard.

Do not use sand paper on the thermal printhead. Do not add any unnecessary force on the thermal printhead. Electrical safety tests The suggested safety analysis tests comply to the international standard IEC The tests should be performed with safety testing instruments with measuring circuits calibrated according to IEC To ensure personal safety, refer to the testing instruments user documentation. Perform the tests under normal ambient conditions of temperature, humidity and pressure, with line voltage.

If this is not taken into account when performing leakage tests, the measured values must be calculated. When performing the electrical tests, you can connect the ground probe of the safety tester to the printer mounting base A or the aluminum insulation plate B as indicated in the following graphic. Ground resistance test This test determines whether the device has a power ground fault per IEC Ed. This test measures the ground resistance from the device power inlet ground terminal to any exposed conductive part of the device. Per IEC , test the devices power inlet ground terminal. Any resistance greater than mOhm results in failure.

Leakage current tests The following electrical diagram shows the Measuring Circuit [M] required for leakage current. The reading in mV corresponds to mA leakage current. The safety tester instruments generally work with this Measuring Circuit [M] and the displayed values are converted to leakage current. This test measures leakage current of the devices internal power supply. The device has to be turned on and off, and connected to your safety-testing equipment.

Measurements should be taken under the following conditions refer to the safety tester diagram :. This test measures leakage current from the chassis to ground during normal condition N. In all cases, the leakage current is measured from any exposed conductive parts to ground; the device has to be turned on and off, and connected to your safety-testing instrument. During N. During S. Patient leakage current tests These tests measure leakage current of the devices floating inputs patient connections to ground. This test measures leakage current from the floating input patient connection to ground during normal condition N.

In all cases, the leakage current is measured from the floating input to ground: The device has to be turned on and off, and connected to your safety testing instrument. For the protection of the person performing these tests, the following values of resistor R may be used:. This test performs leakage current tests during single fault conditions S. In all cases, the leakage current is measured from the floating patient inputs jack of the device to ground.

To setup this leakage current test: 1. C, measurements should be taken under the following conditions refer to safety tester diagram :. Replacing components When it is determined that a component is faulty, refer to the following instructions for replacement. Follow the safety instructions when replacing components. Turn off the device before replacing components. Before opening the device, turn off the power and disconnect the mains plug from the power inlet module.

Never connect the mains plug when the device is open. Before replacing the primary fuses in the power inlet module, turn off the power and disconnect the mains plug. Defective or empty LI-Ion batteries should be disposed of in accordance with the applicable legal stipulations or returned to the factory. Place the new battery in to the battery compartment with the battery label facing downwards, and the battery terminals facing the battery contacts on the PCB.

Secure the fuse holder back into its position. Only use fuses indicated on the product label. Raise the top cover of the housing and disconnect the keyboard cable from the J9 connector. The display remains fixed on the PCB. NOTE If you need to replace the top cover assembly, dispose of the faulty old one and reassemble with the new top cover assembly. Align the platen on the printer door and press it into position. NOTE Ensure that the platen gear aligns with the gears of the thermal printer. Align the new display mounting holes to those on the display mounting bracket and fasten the display with the screws.

For information about the configuration settings, see Printing settings on page Remove the four screws fastening the PCB assembly to the aluminum plate. Orient the new main PCB assembly, align the mounting holes with those in the aluminum plate, and fasten the new PCB assembly to the plate with the screws. Re-connect the printer cable to J7, the power supply cable to J10, the keyboard cable to J9 and the display cable to J8.

Re-attach the upper section of the device to the lower section with the four screws. Replace the battery in the battery pocket, slide on the cover and re-fasten with the screw. Turn on the device and enter the settings as described in Setting options on page Enter the serial number and option code optional as described in Restoring options on page Adjust the display contrast as described in Adjustment instructions on page Adjust the time and date. If possible, set the configuration to the previous user settings. If not, select the default settings. Turn the PCB assembly over and de-solder the battery contacts to remove the battery.

NOTE Dispose of battery according to local municipal waste guidelines. Align the new power supply mounting holes to the power supply mounting plate and replace the four screws. Connect the black wire of the power supply to the terminal marked N of the power inlet module, and connect the white wire to the terminal marked L. Complete steps ofReplacing the power inlet module along with the toroid assembly on page Remove the power supply shield as described in steps of Replacing the 12V power supply on page To remove the power inlet from the mounting bracket, depress the locking tabs on the top and bottom and slide the inlet out.

Place the new toroid into position on the shield, remove the plastic from the adhesive-backed holder and place as shown in drawing. NOTE Ensure that the toroid is centered between the mounting holes. Connect the white wire to the terminal marked L and the black wire to the terminal marked N of the power supply to the power inlet module.

NOTE Use care to ensure that the power inlet connections are properly assembled as indicated in drawing. Connect the earthing cable of the toroid supply to the thermal printer base mounting hole. Replace the shield and power supply assembly by turning it over and aligning the screw holes. NOTE Before tightening the shield screws, confirm that the power supply cable and grounding cable are properly positioned. Replace the screws fastening the power inlet bracket to the lower housing. Replace the screw holding the ground cable to the printer bracket. Replace the screws on the shield.

Adjustment instructions No adjustment of components is required for the MAC device. When the PCB assembly or display is exchanged, the contrast of the display must be adjusted to optimum contrast. To adjust the contrast: 1. When you set the desired contrast level, press the configuration key to exit the setup menu. Functional checkout procedure These checkout procedures apply to all MAC systems.

GE Healthcare: MAC Resting ECG Analysis System

See Replacing components on page for FRU replacement procedures. Testing connector as described in service manual for the individual electrical safety tests. Functional checkout procedures Perform the functional checkout procedures that are applicable to the procedure that was performed. Verify the serial number restored successfully. See Restoring the serial number on page For units with the interpretation option enabled, verify the interpretation option restored successfully. See Restoring the interpretation option on page Verify the contrast adjustment was successful.

See Adjustment instructions on page Verify that the new battery was charged successfully. Verify the time and date were set successfully. See Setting the date and time for printed ECG reports on page Verify that the last ECG was copied successfully. Verify the printer motor test was successful. See Motor test on page for more information. Verify the recording test was successful. See Recording test on page for more information. Electrical safety checks Verify the current leakage test results meet the requirements. Perform electrical safety checks when indicated. Record the measurement values in your debrief.

Verify the equipment does not propose any health hazard. See Earth leakage AC line current test on page ,Patient leakage current tests on page , and Enclosure chassis leakage current test on page for more information. Verify all exposed metal is properly grounded. See Ground resistance test on page for more information. This section contains troubleshooting instructions for specific problems.

When a particular problem is observed, the service personnel should follow the sequence described to pinpoint the area of failure. Only approved personnel may conduct repairs. For safety information, refer to Safety instructions on page Device connected to mains but does not turn on There are two scenarios that might exist when the device does not power on. Refer to the information for the one that you have observed, and follow the steps outlined in the flow chart to pinpoint the faulty component.

When the device is connected to mains and it does not turn on, follow the steps in the following flowchart to pinpoint the defective component. To replace components, see Opening the device on page If the device is connected to mains, and the green LED lights up but the unit does not turn on, follow the steps in the following flowchart to pinpoint the defective component.

Refer toOpening the device on page when replacement is required. If the device does not turn on, use the following flowchart to diagnose the problem. Blank display If the device is on and the audible tone beep sounds but the display is blank, follow the steps in the following flowchart to pinpoint the faulty component. Errors detected during self test If any errors are detected during self-test, the error message Test failed in addition to the error code and brief description display.

Errors detected during printing There are several errors that can occur when the device is printing. Refer to the error on the display and use the troubleshooting flowcharts to determine the reason for the error. Battery error The MAC device can only print when it is powered by the battery. When Battery Error displays, follow the steps identified in the following flowchart. Printer door open The thermal printer has a micro-switch which detects when the printer door is closed. When Door Open displays, follow the steps outlined in the following flowchart.

Paper problem When a problem occurs with the thermal paper, Paper Problem displays. Follow the steps outlined in the following flowchart to diagnose the problem. Paper is moving but not printing If the paper is progressing but no data is printed on it, follow the steps outlined in the following flowchart to diagnose the problem. Data does not print on the upper or lower edges of paper Follow the steps outlined in the following flowchart to determine why the printing is incomplete. Printing only baselines Follow the steps outlined in the following flowchart to diagnose the baseline only problem.

Only items, assemblies, and kits which have part numbers provided in this chapter are available as FRUs. Microprocessor augmented automatic electrocardiograph: 10leadwire acquisition with programmable lead configuration. However, not intended for direct cardiac application. Automatic mode 12 lead data , Manual real-time data , Arrhythmia continuous monitoring.

Automatic: simultaneous short and long format , sequential with or without rhythm ; Manual: 1 or 3 channel real time printout; Arrhythmia: continuous monitoring with event documentation. Heart rates outside this range do not display. Selected lead group, operation mode, lead check, heart rate, AC filter, muscle filter, gain sensitivity , speed. Ordering information Visit www. This system is designed and tested to comply with applicable regulation regarding EMC and needs to be installed and used according to the EMC information stated as follows.

Do not use RF emitting equipment near the device. The equipment or system should not be used adjacent to, or stacked with, other equipment. Guidance and manufacturers declarationelectromagnetic emissions Emissions test RF emissions. Therefore, its RF emissions are very low and are not likely to cause any interference in nearby electronic equipment. The MAC is suitable for use in all establishments other than domestic and those directly connected to the public lowvoltage power supply network that supplies buildings used for domestic purposes.

Floors should be wood, concrete or ceramic tile. Voltage dips, short interruptions and voltage variations on power supply input lines. Mains power should be that of a typical commercial or hospital environment. If the user of the MAC requires continued operation during power mains interruptions, it is recommended that the MAC be powered from an uninterruptable power supply or a battery. Power frequency magnetic fields should be at levels characteristics of a typical location in a typical commercial or hospital environment.

Electromagnetic environment-guidance Portable and mobile RF communications equipment should be used no closer to any part of the MAC , including cables, than the recommended separation distance calculated from the equation applicable to the frequency of the transmitter. Recommended separation distance.


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Field strengths from fixed RF transmitters, as determined by an electromagnetic site survey, should be less than the compliance level in each frequency range. Interference may occur in the vicinity of equipment marked with the following symbol:. Note: These guidelines may not apply in all situations.

Electromagnetic propagation is affected by reflection from structures, objects and people. To assess the electromagnetic environment due to fixed RF transmitters, an electromagnetic site survey should be considered. If the measured field strength in the location in which the equipment is used exceeds the applicable RF compliance level above, the equipment should be observed to verify normal operation.

If abnormal performance is observed, additional measures may be necessary, such as re-orienting or relocating the equipment. Recommended separation distance The following table provides the recommended separation distances in meters between portable and mobile RF communication equipment and the MAC system. The MAC system is intended for use in the electromagnetic environment on which radiated RF disturbances are controlled.

The customer or the user of the MAC system can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment transmitters and the MAC system as recommended below, according to the maximum output power of the communications equipment.

GE Healthcare - ECG MAC 400 - Bioscan

Separation distance in meters m according to frequency of transmitter Rated maximum output power of transmitter in watts. At 80MHz and MHz the separation distance of high frequency range applies. For transmitters rated at a maximum output power not listed above, the recommended separation distance [d] in meters m can be estimated using the equation applicable to the frequency of the transmitter, where P is the maximum output power rating of the transmitter in watts w according to the transmitter manufacturer.

These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects and people. Read Free For 30 Days. Uploaded by Frank Quitian. Flag for inappropriate content. Related titles. Carousel Previous Carousel Next. Jump to Page. Search inside document. A-2 Electromagnetic compatibility not applicable for China. Initial release of this document. Edited FRU part number. Conventions Table Conventions Bold text Indicates keys on the keyboard, text to be entered, or hardware terms such as buttons or switches on the equipment.

Italicized text Indicates terms that identify menu items or options in the system display. NOTE Provides application tips or other useful information to assure that you get the most from your equipment. Responsibility of the manufacturer GE Medical Systems Information Technologies GE is responsible for the effects of safety, reliability and performance only if: Assembly operations, extensions, readjustments, modifications or repairs are carried out by persons authorized by GE. The equipment is used in accordance with the instructions for use. Equipment identification Every GE device has a unique serial number for identification.

Top view Table Top view Name Description Keyboard Press the keyboard keys to power on the system, change operating parameters or control operations. AC mains connector Connect the power cord to charge the battery. The bottom cover is the basic element housing the following sub-assemblies: Power inlet module with fuses Aluminum plate with a power supply module and toroid assembly on the bottom and the PCB assembly on the top. The display, the keyboard connector, printer connector and patient cable connector are mounted to the PCB assembly Battery pocket, battery cover and battery Thermal printer and motor assembly Paper pocket, paper lifting tape, and printer door The top cover houses the display window, paper cutter and keyboard, which is linked to the main PCB assembly via a flexible cable.

Table Battery specifications Rated voltage 7. Chinese systems only If the voltage falls below 6. The CPU controls the beep by enabling it under the following circumstances: The beep sounds once when the self-test is complete. The beep sounds once every five seconds when the leads are not connected. Press the configuration key to access the setup menu.

The first menu item is Language. Press enter to confirm your selection. Press the configuration key to save settings and exit the setup menu. To access the options menu and initiate any of the following setting selections, press the configuration key. Setting the date and time for printed ECG reports To set the date: 1.

Use the 3. To set the time: 1. Selecting heart rate limit values 1. Press 4. Use the BPM. NOTE After setting these options, you must press configuration to save the options and exit the setup menu. Press configuration to enter the setup menu.

GE Healthcare > Marquette Compatible Direct-Connect EKG Cable- 2029893-001

Select Yes and press settings. Turn off the power. After you enter the entire 13 digits, the display briefly goes blank and then displays Ser. Key test with beep test 2. Display test 3. Motor test 4. Recording test 5. To test the display: 1. Press the enter key to start the display test. Press the right cursor key. Two rows of 16 black squares display.

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Press the left cursor key to clear the display. Press the enter key to exit and move to the next test. To test the speed of the motor: 1. Press enter to start the motor test. Press the enter key to move to the next test. To test the recording: 1. Press the enter key to start the recording test. Press the enter key to print the two channel wave form. This chapter contains instructions for the following recommended maintenance: Inspecting and cleaning the device. Electrical safety Ground continuity test to verify all exposed metal is properly grounded.

Required tools and supplies In addition to a standard set of hand tools, you need the following items: Multimeter Leakage current tester Anti-static wrist strap Inspections and cleaning Check the device and accessories for mechanical defects, which can impair their functioning. Perform a functional check as detailed in Device tests on page Ensure that the fuses comply with the vendors specifications.

Check that the patient cable and lead wires are not defective or broken. Check that the electrodes are not out of date. Inspect cords and cables for fraying or other damage. Check the case and display for cracks or other damage. Dry the surfaces with a clean cloth or paper towel. Use a disposable wrist strap to avoid static electricity. Open the printer door and separate the platen from the printhead. When the surfaces are dry, fix the platen in place and close the printer door. Testing connector as described for the individual tests. GE recommended test schedule After initial setup.

Once every 12 months thereafter as part of a regular maintenance plan. Whenever power sources are affected by servicing. Patient leakage current to ground This test measures leakage current from the floating input patient connection to ground during normal condition N. Disconnect the safety tester from the line voltage 2. Connect safety tester to line voltage see warning on previous page.

Before opening the device or completing any servicing, remove the battery. When replacing electronic components, implement ESD protection. Remove the screw fastening the battery cover to the bottom cover. Slide and raise the battery cover and remove the battery from its compartment. Replacing the primary fuses in the power inlet module 1.


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  • Depress the latch and slide the fuse holder from the power inlet module. Remove the two fuses from the fuse holder. Insert the two new fuses. Remove the battery as described inReplacing the battery on page Turn the device upside down and remove the four fastening screws on the bottom. With the keyboard facing up, open the printer door along with the platen. Open the device and printer door as described in Opening the device on page Open connector J7 to disconnect the flat ribbon printer cable. Remove the platen from the printer door. Remove the two screws fastening the base of the printer to the printer bracket.

    Align the mounting holes of the new printer with those on the printer bracket. Use the screws to fasten the printer onto the printer enclosure. Connect the flat ribbon cable to the printer connector on the PCB. Open the device as described in Opening the device on page Disconnect the display cable connector from the J8 connector on the main PCB. Remove the four screws fastening the display to the display mounting bracket. The information is displayed on a It includes a full alphanumeric keyboard, making it easier to input patient demographics.

    With its single button operation for printing, storage, and transmitting, makes it truly easy to use and will help streamline your workflow. With a single button for operating it can print, store and transmit data almost instantly. An optional barcode scanner can be used to help reduce clerical errors and help input patient data. Linked communication allows you to store and retrieve your data more efficiently — and opens the door for more informed clinical decision making. The result is a premier resting ECG system that helps you make faster, more confident cardiac assessments and provide better patient care.

    The MAC EKG also meets the need for productivity across the enterprise, by empowering a wide range of users to precisely capture, analyze, and communicate EKG data. All to ensure the right data goes with the right patient to help reduce demographic and billing errors, and speed time to treatment. Sophisticated tools.