Service Manual
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ZOLL M S ERIES S ERVICE M ANUAL
Non-Invasive Blood Pressure
9653-0455-01 Rev. B
The issue date or revision level for this operation guide is shown on the front cover. ZOLL and M Series are trademarks of ZOLL Medical Corporation.
2003 by ZOLL Medical Corporation. All rights reserved.
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3UHIDFH ZOLL Medical Corporation’s M Series Service Manual is intended for the service technician whose responsibility is to identify malfunctions and make repairs at the subassembly level. Place this insert into the three-ring binder containing the M Series Service Manual and all other M Series option inserts. This document provides information required for maintenance of the Non-Invasive Blood Pressure (NIBP) option on the M Series unit, and contains the following sections: Principles of Operation on page 1 - provides a general overview of NIBP functionality. Maintenance Procedures on page 4 - describes procedures for verifying NIBP operation and integrity. Disassembly Procedures on page 11 - describes procedures for removing the NIBP module from the M Series unit. Replacement Parts on page 21 - lists the field-replaceable parts for the NIBP option and provides information on ordering replacement parts from ZOLL. Troubleshooting on page 22 - describes all error messages related to NIBP functionality and their corresponding corrective action. In addition, this document contains a copy of the ZOLL M Series Maintenance Test Checklist. Replace the current checklist in the M Series Service Manual with the checklist found at the back of this document.
&RQYHQWLRQV This M Series Service Manual uses the following conventions: WARNING! Warning statements describe conditions or actions that can result in
personal injury or death.
CAUTION
Caution statements describe conditions or actions that can result in damage to the unit.
Note: Notes contain additional information on using the defibrillator. $GGLWLRQDO0 6HULHVGRFXPHQWDWLRQ For more information on M Series operation, see the following documents: • Non-Invasive Blood Pressure (part number 9650-0214-01), insert to the M Series Operator’s Guide - describes user tasks for operating the NIBP option on the M Series unit. • M Series Operator’s Guide (part number 9650-0200-01) - describes all the user tasks for general operation of the M Series unit. • M Series Configuration Guide (part number 9650-0201-01) - describes the M Series features and functions whose operation can be customized by authorized users.
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6DIHW&RQVLGHUDWLRQV Service technicians should review these safety considerations prior to servicing any equipment and read the manual carefully before attempting to disassemble the unit. Only qualified personnel should service the M Series unit.
Federal (U.S.A.) law restricts this unit for use by or on the order of a physician. 1RQ=2//PDQXIDFWXUHGDFFHVVRULHV Safety and effectiveness data submitted by ZOLL Medical Corporation to the Food and Drug Administration (FDA) under section 510(K) of the Medical Device Act to obtain approval to market is based upon the use of ZOLL accessories such as disposable electrodes, patient cables and batteries. The use of external pacing/defibrillation electrodes and adapter units from sources other than ZOLL is not recommended. ZOLL makes no representations or warranties regarding the performance or effectiveness of its products when used in conjunction with pacing/defibrillation electrodes and adapter units from other sources. If unit failure is attributable to pacing/defibrillation electrodes or adapter units not manufactured by ZOLL, this may void ZOLL's warranty. :DUQLQJV All persons near the equipment must be warned to “STAND CLEAR” prior to discharging the defibrillator. WARNING! The M Series unit can generate up to 4500 volts with sufficient current
to cause lethal shocks.
Do not discharge the unit’s energy internally more than three times in one minute or damage to the unit may result. Do not discharge a battery pack except in a Base PowerCharger4x4, a compatible ZOLL Battery Charging/Testing unit, or an M Series unit. Do not use the M Series in the presence of flammable agents (such as gasoline), oxygen-rich atmospheres, or flammable anesthetics. Using the unit near the site of a gasoline spill may cause an explosion. Do not use the unit near or within puddles of water. 5DGLR)UHTXHQF,QWHUIHUHQFH 5), The M Series is protected against interference from radio frequency emissions typical of two-way radios and cellular phones (digital and analog) used in emergency service/public safety activities. Users of the M Series should assess the unit’s performance in their typical environment of use for the possibility of radio frequency interference from high-power sources. Radio Frequency Interference (RFI) may be observed as shifts in monitor baseline, trace compression, or transient spikes on the display.
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7HFKQLFDO6HUYLFH For terms and conditions associated with your warranty, consult your purchasing agreement (for customers in North America) or a ZOLL authorized representative (for customers outside North America). To maintain this warranty, the instructions and procedures contained in this manual must be strictly followed. For more information, please contact ZOLL Medical Corporation at 1-978-421-9655 or the ZOLL Technical Service Department at 1-800-348-9011 (North America). &RQWDFWLQJ7HFKQLFDO6HUYLFH If the M Series unit requires service, contact the ZOLL Technical Service Department: Telephone: 1-800-348-9011 1-978-421-9655 FAX: 1-978-421-0010 When requesting service for the M Series unit, please provide the following information available to the Technical Service representative: • unit serial number • description of the problem • department using the equipment • sample chart recorder strips documenting the problem, if applicable • purchase order to allow tracking of loan equipment • purchase order for a unit with an expired warranty 5HWXUQLQJDXQLWIRUVHUYLFH If you need to send the unit to ZOLL Medical Corporation for repair, you must obtain a service request (SR) number from the Technical Service representative. Units are available on loan while your unit is being repaired. For customers ...
Return the unit in its original container to ...
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3ULQFLSOHVRI2SHUDWLRQ The Non-Invasive Blood Pressure (NIBP) option on the M Series provides non-invasive monitoring of blood pressure and pulse rate for adult and pediatric patients using the oscillometric method. The NIBP option functions in automatic interval, manual, and STAT modes.
1,%3PRGXOH The NIBP module resides in the lower housing assembly of the M Series unit. The patient blood pressure cuff and hose connect to the M Series unit through the NIBP connector on the front of the NIBP module. The NIBP button on the front panel of the M Series allows the user to initiate and terminate blood pressure measurements, which the M Series then displays in the NIBP display area on the monitor. The user can also initiate and terminate measurements from the NIBP softkey menu. Figure 1-1: M Series with NIBP option
blood pressure cuff 2 CHARGE
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1,%3FRPSRQHQWV The NIBP module itself contains the following components: • NIBP system board • pump • tubing assembly (single lumen) • power supply board • NIBP connector These components measure the oscillometric pulses transmitted through the blood pressure cuff and hose, calculate blood pressure measurements accordingly, and transmit them to the main M Series unit.
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121,19$6,9(%/22'35(6685( Figure 1-2: NIBP module assembly
pump NIBP system board
tubing
NIBP connector power supply board
%ORRGSUHVVXUHPHDVXUHPHQWV The NIBP module measures systolic, diastolic and mean arterial blood pressure in adult and pediatric patients, and calculates patient pulse rate (PR). The M Series with NIBP option can take • a single blood pressure measurement, • STAT measurements (as many measurements as possible within a five-minute period, to a maximum of ten), or • repeated blood pressure measurements at user-configurable intervals. 0HDVXUHPHQWFFOH The M Series NIBP module measures arterial blood pressure oscillometrically. The blood pressure measurement cycle takes approximately 30 seconds, and proceeds as follows: Stage Description
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See the M Series Operator’s Guide insert for Non-Invasive Blood Pressure for details on operating the NIBP option.
1,%3FRQILJXUDWLRQ You can change default settings for NIBP parameters such as units of measurement, initial cuff inflation, automatic measurement intervals, and alarm thresholds. See the M Series Configuration Guide for more information.
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0DLQWHQDQFH3URFHGXUHV It is important that users conduct the Operator’s Shift Checklist procedure at the beginning of every shift to maintain the M Series unit ready for immediate use. This checkout procedure can be completed in a few minutes and requires no additional test equipment. See the M Series Operator’s Guide for the Operator’s Shift Checklist. For the NIBP option, a qualified biomedical technician should perform the following maintenance procedures every six months to ensure that the M Series NIBP function is operating properly: • “NIBP Monitor Test” on page 5 • “NIBP Volume Leak Test” on page 6 (optional at 6 months, recommended annually) • “NIBP Transducer Calibration” on page 8 (optional at 6 months, recommended annually)
5HTXLUHGHTXLSPHQW You need the following equipment to complete each NIBP maintenance procedure: • M Series unit with NIBP option (with fully-charged battery installed) • Bio-Tek BP Pump NIBP Monitor Analyzer (or equivalent) Note: For all NIBP maintenance tests, ensure that the ECG cable is not connected to the M Series unit. If the SpO2 option is installed, make sure that the Masimo cable is NOT connected to the M Series unit
5HFRUGLQJRXUUHVXOWV Photocopy the checklist at the back of the M Series Service Manual and use the copy to record the results of the maintenance tests. As you complete each step in a procedure, mark the appropriate Pass/Fail/NA box, and keep the checklist for your maintenance file. Complete all the steps of the procedure before evaluating the test results.
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1,%30RQLWRU7HVW The NIBP monitor test verifies the accuracy of the systolic, diastolic and mean blood pressure measurements, as well as patient pulse rate calculation. %HIRUHRXEHJLQ Before you begin the NIBP monitor test: • Connect the NIBP Analyzer’s simulator hose to the NIBP connector on the M Series unit. • Set the following parameters on the NIBP Analyzer: Parameter
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Expected Result
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1,%39ROXPH/HDN7HVW The volume leak test verifies the integrity of the pneumatic system on the NIBP module. This test is optional at six (6) months, but should be performed annually or every 10,000 readings, whichever comes first. %HIRUHRXEHJLQ Before you begin the NIBP volume leak test: • Connect the NIBP Analyzer’s simulator hose to the NIBP connector on the M Series unit. • Configure the NIBP Analyzer for the volume leak test. For example, on the Bio-Tek BP Pump: ➯ Press the MODE button three (3) times to go into Tests Mode. ➯ Press the SELECT button twice to access the volume leak test. Note: These instructions apply to the Bio-Tek BP Pump; for equivalent devices, follow the manufacturer’s instructions.
3URFHGXUH Follow these steps to perform the NIBP volume leak test on the M Series unit. Step Action
Expected Result
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NIBP Leak Test Valves
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Cuff Pressure
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1,%37UDQVGXFHU&DOLEUDWLRQ The NIBP module’s pressure transducers are factory-calibrated prior to shipment. However, you can perform a two-point calibration procedure periodically to ensure accurate pressure measurements. This procedure is optional at six (6) months, but should be performed annually or every 10,000 readings, whichever comes first. %HIRUHRXEHJLQ Before you begin the NIBP transducer calibration procedure: • Connect the NIBP Analyzer’s simulator hose to the NIBP connector on the M Series unit. • Configure the NIBP Analyzer to simulate cuff pressure. For example, on the Bio-Tek BP Pump: ➯ Press the MODE button three (3) times to go into Tests Mode. ➯ Press the SELECT button once to access the Pressure Simulator screen. Note: These instructions apply to the Bio-Tek BP Pump; for equivalent devices, follow the manufacturer’s instructions.
3URFHGXUH Follow these steps to calibrate the NIBP transducers on the M Series unit. Step Action
Expected Result
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NIBP Transducer Calibration 0 mmHg
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250 mmHg
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Cuff Pressure
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Set Low
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Cuff Pressure
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NIBP transducer calibration can affect clinical readings of the NIBP parameter. Ensure that the NIBP Transducer Calibration procedure is performed correctly, followed by an NIBP Monitor Test to verify proper operation.
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'LVDVVHPEO3URFHGXUHV This section describes the following procedures: • “Removing the NIBP Module” on page 11 • “Disassembling the NIBP Module” on page 15 • “Removing the NIBP Interface Cable” on page 18 Only properly trained technicians should service the M Series unit. Ensure that you take the appropriate safety precautions before disassembling any part of the M Series unit.
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SHOCK HAZARD! Take necessary precautions to guard against shock or injury before conducting defibrillator tests or repairs. The M Series unit can contain lethal voltages even when turned off.
In addition: • Discharge the unit before conducting any maintenance or repairs. • Wear a conductive wrist strap that touches your skin and is connected to a grounding mat and to an earth ground when working with static-sensitive units. Remove the wrist strap when you discharge high voltage or when you are working on energized equipment.
5HPRYLQJWKH1,%30RGXOH The NIBP module resides in the lower housing assembly of the M Series unit and connects to the main system board through the NIBP interface cable. 5HTXLUHGWRROV You need the following tools to disassemble the NIBP module: • #1 Phillips screwdriver • #2 Phillips screwdriver • small wood stick %HIRUHRXEHJLQ Remove all power sources, such as the battery and power cord.
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121,19$6,9(%/22'35(6685( 3URFHGXUH Follow these steps to remove the NIBP module from the M Series unit. Step Action
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