Rad-8 ™ Signal Extraction Pulse Oximeter (Home Care Edition) Service Manual
Rad-8 ™ Signal Extraction Pulse Oximeter (Home Care Edition) Service Manual Rad-8 Signal Extraction Pulse Oximeter Service Manual
The Rad-8 Pulse Oximeter Service Manual is intended to provide the necessary information for proper servicing of all models of the Rad-8 Pulse Oximetry systems. This manual is structured to support troubleshooting to the assembly or module level. This manual does not provide instructions for troubleshooting to the printed circuit board component level. There may be information provided in this manual that is not relevant for your system.
Table of Contents Page 1 2 3 4 5 6 7 8 iv Overview ........................................................................................1-1 1.1 About this Manual ....................................................................1-1 1.2 Warnings, Cautions and Notes ................................................1-1 Maintenance ..................................................................................2-1 2.1 Introduction ..................................................................
1 Overview 1.1 About this Manual This manual explains how to service the Rad-8 Pulse Oximeter. Important safety information relating to general use of the Rad-8 Pulse Oximeter appears in the Rad-8 Pulse Oximeter Operator’s Manual. Other important safety information is located throughout this manual where appropriate. 1.2 Warnings, Cautions and Notes Please read and follow any warnings, cautions and notes presented throughout this manual.
2 Maintenance 2.1 Introduction This chapter covers how to test the operation of the Rad-8 and how to properly clean the Rad-8 Pulse Oximeter, how to recharge and replace the batteries, and how to obtain service under normal operation. No internal adjustment or recalibration is required. Service should be performed by qualified service personnel only. Safety checks should be performed at regular intervals or in accordance with local and governmental regulations.
• USE THE CLEANING SOLUTION SPARINGLY. ALLOW THE UNIT TO AIR DRY. EXCESSIVE SOLUTION CAN FLOW INTO THE MONITOR AND CAUSE DAMAGE TO INTERNAL COMPONENTS. • DO NOT TOUCH, PRESS OR RUB THE DISPLAY PANELS WITH ABRASIVE CLEANING COMPOUNDS, INSTRUMENTS, BRUSHES, ROUGH-SURFACE MATERIALS OR BRING THEM INTO CONTACT WITH ANYTHING THAT COULD SCRATCH THE PANEL. • DO NOT USE PETROLEUM-BASED, ACETONE SOLUTIONS OR OTHER HARSH SOLVENTS TO CLEAN THE OXIMETER.
3 Battery Operation and Maintenance 3.1 Overview 3.1.1 The Rad-8 Pulse Oximeter uses a 6 volt, 1.4AHr lead acid, sealed, rechargeable battery. 3.1.2 Please reference the Rad-8 Pulse Oximeter Operator’s Manual for specifications on battery charge time and capacity. CAUTIONS: • At low battery warning, connect the Rad-8 Pulse Oximeter to AC power to prevent interruption of power.
4 Performance Verification CAUTION: Follow local governing guidelines for proper disposal of the internal battery. Do not incinerate. CAUTION: Do not over-tighten screws. Tighten the screws throughout the Rad-8 Pulse Oximeter to 80 in.- oz. Note: It will be necessary to perform safety testing after replacement. Note: Under normal operation, no internal adjustment or recalibration is required. 4.1 Overview 4.1.
each key-press with an audible beep tone or by indicating an associated change on the display. 4.4 Alarm Suspend Indicator 4.4.1 Induce an alarm condition. 4.4.2 Press the Alarm Suspend button and cycle through the different indicator levels. The yellow indicator will blink on when the alarms have been suspended. 4.5 Alarm Volume Test 4.5.1 Press the Enter button. Monitor displays should show “AL” and “3”. 4.5.2 Press the UP arrow button and cycle through the four different volume levels.
4.7.2 Press the Display Brightness button and cycle through the different brightness levels. There are four brightness levels. 4.7.3 Press the Enter button to return to patient monitoring mode or wait for display to time out. 4.8 Testing with Masimo SET Tester 4.8.1 Turn the Rad-8 Pulse Oximeter off and then on again. 4.8.2 Set the alarm limits to: % SpO2 Pulse Rate High 100 140 Low 90 50 4.8.3 Connect the Masimo tester to the Rad-8 Pulse Oximeter.
4.9.2 Validation of the port can be done by connecting a serial printer or using a PC with Hyper Terminal and the following setup: 4.9.3 Communication Parameters baud rate data bits stop bit parity Flow Control 9600 bps 8 1 none none 4.9.4 With the Rad-8 Pulse Oximeter connected as per the above setup, attach a patient cable and sensor to the Rad-8 Pulse Oximeter. Refer to page 4-11 of the Operator’s Manual and set the output to ASCII 1.
5 Electrical Safety Tests Masimo recommends that you perform all safety tests presented in this section. • • Upon receipt of the device Each time the main enclosure is disassembled or a circuit board is removed, repaired, tested, or replaced. 5.1 Test Equipment The recommended test equipment required to perform electrical safety tests is listed below. Fluke 180 Electrical Safety Analyzer or compatible. 5.2 Ground Wire Leakage Current Tests Leakage-HI: 300.00 uA Probe: Ground To Line Leakage-LO: 0.
5.3 Enclosure Leakage Current Tests Leakage-HI: 300.00 uA Probe: Ground To Line Leakage-LO: 0.00 uA Neutral : Closed Voltage HI: 120.0V Reverse: Off Voltage LO: 100.0V Ground: Open 5.3.1 Connect the probe of the Electrical Safety Analyzer to the Equipotential lug on the back of the monitor. 5.3.2 Set the Ground switch to the Open position on the Electrical Safety Analyzer. 5.3.3 Turn the monitor on. 5.3.4 Read the current leakage on the Electrical Safety Analyzer. 5.3.
5.4 Source Leakage Current Tests Leakage-HI: 100.00 uA Probe: High To Line Leakage-LO: 0.00 uA Neutral : Closed Voltage HI: 120.0V Reverse: Off Voltage LO: 100.0V Ground: Open 5.4.1 Set the Ground switch to the Open position on the Electrical Safety Analyzer. 5.4.2 Set the polarity on the Electrical Safety Analyzer to Normal. 5.4.3 Connect a patient cable with all the wires spliced together to the Electrical Safety Analyzer. 5.4.4 Read the current leakage on the Electrical Safety Analyzer. 5.4.
6 Repair 6.1 Safety Precautions: WARNING: DO NOT DISASSEMBLE OR ASSEMBLE THE UNIT WITH THE AC POWER CORD ATTACHED. WARNING: ENSURE THE UNIT HAS BEEN CLEANED PER THE CLEANING INSTRUCTIONS. WARNING: WHEN REMOVING OR INSTALLING ANY INTERNAL ELECTRICAL COMPONENTS, BE SURE TO FIRST DISCONNECT AT LEAST ONE TERMINAL OF THE BATTERY. VERIFY RECONNECTION OF THE BATTERY PRIOR TO REASSEMBLY OF THE UNIT FOR PATIENT MONITORING. 6.
6.3 Troubleshooting 6.3.1 The troubleshooting procedures in this manual instruct the technician to isolate the failure down to the sub-assembly level. The intention is to have the Unit Under Test (UUT) repaired with minimal steps. The Masimo SET Tester is needed to perform the Performance Verification in Section 4-1 upon completion of repairs. Note: The Masimo SET Tester is not a calibrated device. It is to be used for evaluation purposes only and not to determine if an Oximeter is “calibrated”. 6.3.
Symptom • Unit Will Not Turn Off Cause and Corrective Action Steps 1. Replace Keypad. 2. Replace System board. If unable to repair unit, then please call (800)326-4890 option #2 to arrange for return to Masimo Corporation. 6.4 Service Messages: Upon detection of a system error, the main software alerts the user with an audible alarm indicator and displays the appropriate error code on the display.
7 Return Procedure To return the unit for service, please follow the Return Procedure outlined in this section. 7.1 Product Decontamination 7.1.1 Please clean contaminated/dirty equipment before returning and make sure it is completely dry before packing the equipment. 7.1.2 Recommended decontamination procedure for equipment that has the potential for being exposed to blood or other potentially infectious materials: 7.1.2.1 Put on Lab coat or other protective garment. 7.1.2.2 Put on gloves. 7.
7.2.6 Ship-to and bill-to information. 7.2.7 Person (name, telephone/Telex/fax number, email and country) to contact for any questions about the repairs. 7.2.8 A document stating the oximeter has been decontaminated for bloodborne pathogens. 7.2.9 Return pulse oximeter to the following shipping address: Masimo Corporation 40 Parker Irvine, California USA 92618 (Domestic Toll Free): 800-326-4890, option #2 (International): 949-297-7498, option #2 FAX: 949-297-7499 Email: tech@masimo.
8 Drawings and Schematics Rad-8 Signal Extraction Pulse Oximeter Service Manual 8-1
Rad-8 Signal Extraction Pulse Oximeter Service Manual 8-2
ITEM # DESCRIPTION ITEM # DESCRIPTION 1 Kit, Enclosure, 20 pin 30 Screw, M2.
