Masimo Rad-87 Service manual

Rad-87

™

Signal Extraction Pulse CO-Oximeter

Service Manual

Rad-87

™

Signal Extraction Pulse CO-Oximeter

Service Manual

ii

Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

The Rad-87 Pulse CO-Oximeter Service Manual is intended to provide
the necessary information for proper servicing of all models of the Rad­87 Pulse CO-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. Do not service the Rad-87 Pulse CO­Oximeter without completely reading and understanding these
instructions.

NOTICE:

Purchase or possession of this device does not carry any express or implied license to use this device with
replacement parts which would, alone or in combination with this device, fall within the scope of one of the
patents relating to this device.

CAUTION:

Federal law (U.S.) restricts this device to sale by or on the order of a physician.

Masimo Corporation

40 Parker

Irvine, CA 92618

USA

Tel.: [phone]

Fax.: [phone]

www.masimo.com

EU Authorized Representative for Masimo Corporation:

EC REP

MDSS GmbH

Schiffgraben 41

30175 Hannover, Germany

Tel.: [phone]

Fax.: [phone]

CONFORMS TO UL STD 60601-1 AND
CERTIFIED TO CAN/CSA STD C22.2 NO. 601.1

Covered by one or more of the following U.S patents: 5482036, 5490505, 5632272, 5685299, 5758644,
5769785, 5919134, 6002952, 6011986, 6067462, 6157850, 6229856, 6236872, 6263222, 6360114, 6388240,
6430525, 6463311, 6501975, 6515273, 6606511, 6643530, 6650917, 6654624, 6661161, 6684090, 6699194,
6745060, 6816741, 6826419, 6850787, 6861639, 6979812, 7186966, 7215984, 7215986, 7221971, 7254433,
7295866, 7328053, 7373194, 7376453, 7377899, 7467002, 7469157, 7471969, 7489958, 7496393, 7499741,
7509154, 7530955, RE38476, RE38492, international equivalents, or one or more of the patents referenced at
www.masimo.com/patents. Other patents pending.

© 2010 Masimo Corporation. LNCS, Masimo, MX-1, PVI, Rad, the Radical logo, Rainbow, Satshare, SET,
Signal I.Q., SpCO, and SpMet are federally registered trademarks of Masimo Corporation. APOD, Pulse CO­Oximeter, Pulse CO-Oximetry and Rad 87 are trademarks of Masimo Corporation.

iii

Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

Table of Contents

Page

1 Overview........................................................................................1-1

1.1 About this Manual.....................................................................1-1

1.2 Warnings, Cautions and Notes.................................................1-1

2 Maintenance ..................................................................................2-1

2.1 Introduction...............................................................................2-1

2.2 Cleaning....................................................................................2-1

3 Battery Operation and Maintenance ...........................................3-1

3.1 Overview...................................................................................3-1

3.2 Replacing the Battery ...............................................................3-1

4 Performance Verification .............................................................4-1

4.1 Overview...................................................................................4-1

4.2 Power-On Self-Test..................................................................4-1

4.3 Key Press Button Test..............................................................4-1

4.4 Alarm Suspend Indicator ..........................................................4-1

4.5 Alarm Volume Test...................................................................4-1

4.6 Alarm Limit Test........................................................................4-2

4.7 Sensitivity Mode Test ...............................................................4-2

4.8 Button Volume Test..................................................................4-2

4.9 Brightness Test.........................................................................4-3

4.10 Testing with Masimo Rainbow SET Tester ..............................4-3

4.11 PVI (Pleth Variability Index) Testing (If Applicable)..................4-4

4.12 Wireless Radio Testing (If Applicable)......................................4-4

4.13 Serial Port.................................................................................4-4

4.14 Nurse Call Test.........................................................................4-5

5 Electrical Safety Tests..................................................................5-1

5.1 Test Equipment.........................................................................5-1

5.2 Ground Wire Leakage Current Tests .......................................5-1

5.3 Enclosure Leakage Current Tests............................................5-2

5.4 Source Leakage Current Tests.................................................5-3

6 Repair.............................................................................................6-1

6.1 Safety Precautions: ..................................................................6-1

6.2 General Procedures .................................................................6-1

6.3 Troubleshooting........................................................................6-2

6.4 Service Messages: ...................................................................6-3

7 Returns...........................................................................................7-1

7.1 Product Decontamination .........................................................7-1

7.2 Return Transportation...............................................................7-1

8 Drawings and Schematics ...........................................................8-1

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

1 Overview

1.1 About this Manual

This manual explains how to service the Rad-87 Pulse CO-Oximeter.
Important safety information relating to general use of the Rad-87 Pulse
CO-Oximeter appears in the Rad-87 CO-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. An explanation of these labels is as follows:

A WARNING is provided when actions may result in a serious outcome
(i.e., injury, serious adverse affect, or death) to the patient or user. Look
for text in a gray shaded box.

Sample of WARNING:
WARNING: THIS IS A SAMPLE OF A WARNING STATEMENT.

A CAUTION is given when any special care is to be exercised by the
patient or user to avoid injury to the patient, damage to this device or
damage to other property.

Sample of Caution:
CAUTION: This is a sample of a Caution statement.

A NOTE is provided when extra general information is applicable.
Sample of NOTE:

NOTE: This is a sample of a NOTE statement.

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

2 Maintenance

2.1 Introduction

2.1.1 This chapter covers how to test the operation of the Rad-87 and
SatShare interface (if applicable), how to properly clean the Rad­87 Pulse CO-Oximeter, how to recharge and replace the
batteries, how to replace the fuses, and how to obtain service
under normal operation. No internal adjustment or recalibration
is required. Service should be performed by qualified personnel
only. Safety checks should be performed at regular intervals or in
accordance with local and governmental regulations.

Note: Opening or repairing the Rad-8 Pulse Oximeter will void the
Masimo warranty. Products that require repair while under
warranty should always be returned to Masimo for warranty
service.

WARNING: ELECTRICAL SHOCK AND FLAMMABILITY HAZARD.
BEFORE CLEANING THE PULSE CO-OXIMETER,

ALWAYS
TURN THE UNIT OFF AND DISCONNECT THE POWER
CORD FROM THE BACK OF THE UNIT.

2.2 Cleaning

2.2.1 To clean the display panel use a cotton swab moistened with

70% isopropyl alcohol and gently wipe the panel.

2.2.2 To clean the outer surface of the Pulse CO-Oximeter, use a soft

cloth moistened with a 70% isopropyl alcohol. Do not allow
liquids to enter the interior of the instrument.

2.2.3 To decontaminate unit, refer to Section 6.

CAUTIONS:

• Do not autoclave, pressure sterilize, or gas sterilize this Pulse CO-Oximeter.

• Do not soak or immerse the monitor in any liquid.

• Use the cleaning solution sparingly. Allow 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.

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

• Do not use petroleum-based or acetone solutions, or other harsh solvents, to

clean the Pulse CO-Oximeter. These substances attack the instrument’s
materials and instrument failure can result.

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

3 Battery Operation and Maintenance

3.1 Overview

3.1.1 The Rad-87 Pulse CO-Oximeter uses a 6 volt, 1.4AHr lead acid,

sealed, rechargeable battery.

3.1.2 Please reference the Rad-87 Operator’s Manual for

specifications on battery charge time and capacity.

CAUTIONS:

• If the Rad-87 has not been charged for 1 month or more, then

recharge the battery prior to use.

• At low battery warning, connect the Rad-87 to AC power to prevent

interruption of power.

• Additional information on the Rad-87 batteries may be found in the

Rad-87 Operators Manual.

3.2 Replacing the Battery

3.2.1 Turn the Rad-87 off and remove the patient cable connection.

3.2.2 Place the unit on its side with the rubber footings facing up.

3.2.3 Remove the four screws from the housing assembly.

3.2.4 Carefully remove the speaker-side housing assembly. DO NOT

pull housing away as it may damage the speaker cable.

3.2.5 Remove the speaker connector from the system board and set

the housing aside.

3.2.6 Carefully lift the battery out of the housing and remove the

positive and negative battery connections.

3.2.7 Install the replacement battery. Verify proper positioning of the

(+) positive and (-) negative connectors. Reverse steps 3..3.1
through 3.3.6 to reassemble.

3.2.8 Verify the unit turns on, that all the LEDs momentarily light (AC

LED will not illuminate when powering on with battery power
only), that the low battery LED is not illuminated, and that the
unit stabilizes to a normal operation mode.

CAUTION: Follow local governing guidelines for proper disposal of the
internal battery. Do not incinerate.

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

CAUTION: Do not over-tighten screws. Tighten the screws throughout

the Rad-87 to 80 in.- oz.

NOTE: It will be necessary to perform safety testing after replacement. Refer to

section 5.

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

4 Performance Verification

NOTE: Under normal operation, no internal adjustment or recalibration is

required.

4.1 Overview

4.1.1 To test the performance of the Rad-87 Pulse CO-Oximeter

following repairs or during routine maintenance, follow the
procedure outlined in this section. If the Rad-87 fails any of the
described tests, discontinue its use and correct the problem
before returning the unit back to the user.

4.2 Power-On Self-Test

4.2.1 With the Rad-87 plugged into an AC power source and no cable

or sensor plugged into the instrument, turn the monitor on by
depressing the Power Button. For about 2 seconds all available
LEDs are illuminated and a brief beep tone sounds. The unit will
then cycle through Saturation and Pulse Rate alarm limits on the
top LCD.

4.2.2 After this initialization “boot” cycle, the No Sensor, Alarm

Suspend and Normal Sensitivity Mode LED indicators will light.
Also, the SpO2 and BPM monitoring display will indicate “---“.
The Rad-87 is ready to begin normal operation.

4.2.3 Turn power off and then back on as many times as necessary to

verify this Power-On cycle.

4.3 Key Press Button Test

4.3.1 With the exception of the Power/Standby Button, press each soft

key button and verify that the Rad-87 acknowledges each key­press 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 2

different indicator levels: the red indicator blinks red when an
alarm condition is met. 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

“VOL”.

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

4.5.2 Press the UP arrow button and cycle through the three different

volume levels. Make sure the tone does not have a harsh or
raspy tone due to the speaker rattling in the plastic housing.
The tone heard should be louder with each press. Press the
DOWN arrow button and cycle through the different volume
levels. The tone heard should be quieter with each press.
Verify both speakers are working.

4.5.3 Return the volume to the factory default level 3.

4.6 Alarm Limit Test

4.6.1 With the monitor turned on, depress the ALARM LIMITS button

and enter alarm menu. Change the High Saturation Alarm
parameter to a value two points below the currently selected
value, and accept the change by pressing the Enter button.

4.6.2 Verify that the newly set parameter is shown on the Saturation

Alarm Limit Display.

4.6.3 Return the High Saturation Alarm parameter to its original setting

and accept the change by pressing the Enter button.

4.6.4 Repeat steps 4.6.1 to 4.6.3 with the Low Saturation Alarm

parameter.

4.6.5 Repeat steps 4.6.1 to 4.6.3 with the Low and High Pulse Rate

Alarm parameter.

4.6.6 Reset the alarm limits again to the original settings and accept

the changes by pressing the Enter button.

4.7 Sensitivity Mode Test

4.7.1 Press the Sensitivity button to alternately light the APOD,

NORM, and MAX LEDs.

4.8 Button Volume Test

4.8.1 Press the Enter button x5. LED displays should show “but”, and

“VOL”.

4.8.2 Press the Up arrow button and cycle through the different

volume levels. Make sure the tone does not have a harsh or
raspy tone due to the speaker rattling in the plastic housing.
The tone heard should be louder with each press. Press the
DOWN arrow button and cycle through the different volume
levels. The tone heard should be quieter with each press. There
are three volume levels and volume off.

4.8.3 Return the volume to the factory default level 2.
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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

4.9 Brightness Test

4.9.1 Press the Display Brightness button. LED displays should show

“dlS” above and “brt” below.

4.9.2 Press the Display Brightness button and cycle through the

different brightness levels. There are four brightness levels.
Factory default is level 2.

4.9.3 Press the Enter button to return to patient monitoring mode or

wait for display to time out.

4.10 Testing with Masimo Rainbow SET Tester

4.10.1 Turn the Rad-87 off and then on again.

4.10.2 Set the alarm limits to:

% SpO2 Pulse Rate % SpCO % SpMet

High 100 140 10 3

Low 90 50 -- --

4.10.3 Connect the Masimo tester to the Rad-87 (PN 2386). (See

Tester DFU for complete instructions.)

4.10.4 Verify that within 20 seconds a Signal I.Q. Bar Graph and SpO

2

& Pulse Rate numbers display.

4.10.5 Verify that the SpO2 measurement is between 78% and 84%.

(with tester values of 81% +/- 3%)

4.10.6 Verify that the pulse rate measurement is between 60 bpm and

62 bpm (with tester values of 61 +/- 1 bpm).

4.10.7 Verify that the SpCO measurement is between 4% and 10%.

(with tester values of 7% +/- 3%)

4.10.8 Verify that the SpMet measurement is between 2.4% and 4.4%.

(with tester values of 3.4% +/- 1%)

4.10.9 Verify that an audible alarm occurs and that the SpO2

measurement and the low SpO2 alarm limit display are flashing

4.10.10 Press the Alarm Silence button once and verify that the alarm is

silenced.

4.10.11 Wait 120 seconds and verify that the alarm silence times out and

the audible alarm is activated again. Disable the Alarm before
continuing.

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

4.10.12 Press the Up Arrow button several times and verify that the

loudness of the pulse beep tone increases.

4.10.13 Press the Down Arrow button and verify that the loudness of the

pulse beep tone decreases. Press the Down Arrow button and
verify that the loudness of the pulse beep tone can be turned off.

4.11 PVI (Pleth Variability Index) Testing (If Applicable)

NOTE

: THIS IS PERFORMED AS A FUNCTIONAL TEST ONLY.

4.11.1 Connect a Red Masimo SET Rainbow sensor to the Rad-87

Handheld.

4.11.2 Insert the non-dominant hand’s ring finger into the finger sensor.

4.11.3 PVI will fluctuate depending on motion, perfusion, physiology

and other factors, so there is no ‘normal’ value. If a number is
displayed, then the PVI feature is functioning properly.

4.12 Wireless Radio Testing (If Applicable)

4.12.1 Press and hold the Brightness button and the Down button for 5

seconds.

4.12.2 Use the Up and Down arrows to turn the wireless radio on.

4.12.3 When the radio feature is enabled and configured with the

network information, the LCD display will show the SSID, IP
Address, Subnet, Gateway, MAC Address, and Signal Strength
for 20 seconds.

4.13 Serial Port

4.13.1 The serial port outputs ASCII data using standard RS-232

protocol via a straight through serial cable.

4.13.2 Validation of the port can be done by connecting a serial printer

or using a PC with Hyper Terminal and the following setup:

4.13.3 Communication Parameters

baud rate 9600 bps

data bits 8

stop bit 1

parity none

hand shaking none

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

4.13.4 With the Rad-87 connected as per the above setup, attach a

patient cable and sensor to the Rad-87. From the Output menu,
select ASCII 1 and the printer (or PC monitor) will print in the
following format every second:

05/15/10 08:12:21 SN=0000070986 SPO2=---% BPM=--­PI=--.--% SPCO=--.-% SPMET=--.-% DESAT=-­PIDELTA=+-- PVI=--- ALARM=0000 EXC=000000

4.14 Nurse Call Test

4.14.1 Disconnect the patient cable or the Masimo SET Tester from the

monitor and turn the instrument on. Ensure that there are no
audible alarms and that the audible alarms are not silenced.

4.14.2 Connect the common lead of a digital multi-meter to the tip

(Nurse Call - Common) of the Nurse Call Connector.

4.14.3 Connect the positive lead of the multi-meter to the sleeve (Nurse

Call - Normally Open) of the Nurse Call Connector and measure
that the resistance is greater than 1 M Ohm (open circuit).

4.14.4 Trigger an alarm on the monitor (e.g. by disconnecting a sensor

after it has started measuring data) and verify the resistance is <
20 Ohm.

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

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:

0.00 uA
Neutral :
Closed

Voltage HI:

120.0V

Voltage LO:

100.0V

Reverse: Off Ground: Open

5.2.1 Connect the power cord of the monitor to the power receptacle

on the leakage tester.

5.2.2 Turn the monitor being tested ON.

5.2.3 Read the current leakage on the Electrical Safety Analyzer.

5.2.4 Set the polarity on the Electrical Safety Analyzer to Reverse.

Leakage-HI:

300.00 uA
Probe: Ground
To Line

Leakage-LO:

0.00 uA
Neutral :
Closed

Voltage HI:

120.0V

Voltage LO:

100.0V

Reverse: On Ground: Open

5.2.5 Read the current leakage on the Electrical Safety Analyzer.

NOTE: The readings should not exceed 300 µA or 0.3 volts at 100-120V

/50-60Hz on the Electrical Safety Analyzer with the monitor
powered on.

5.2.6 Turn the monitor off.

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

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

Voltage LO:

100.0V

Reverse: Off 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 Set the polarity on the Electrical Safety Analyzer to Reverse.

5.3.6 Read the current leakage on the Electrical Safety Analyzer.

NOTE: The readings should not exceed 300 µA or 0.3 volts at 100-120V

/50-60Hz on the Electrical Safety Analyzer with the monitor
powered on.

Leakage-HI:

100.00 uA
Probe: Ground
To Line

Leakage-LO:

0.00 uA
Neutral :
Closed

Voltage HI:

120.0V

Voltage LO:

100.0V

Reverse: Off Ground:

Closed

5.3.7 Set the Ground switch to the Closed position on the Electrical

Safety Analyzer.

5.3.8 Read the current leakage on the Electrical Safety Analyzer.

5.3.9 Set the polarity on the Electrical Safety Analyzer to Reverse.

5.3.10 Read the current leakage on the Electrical Safety Analyzer.

NOTE: The readings should not exceed 100 µA or 0.1 volts at 100-120V

/50-60Hz on the Electrical Safety Analyzer with the monitor
powered on.

5.3.11 Turn the Monitor off.

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

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

Voltage LO:

100.0V

Reverse: Off 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.

5.4.5 Set the polarity on the Electrical Safety Analyzer to Reverse.

5.4.6 Read the current leakage on the Electrical Safety Analyzer.

NOTE: The readings should not exceed 100 µA or 0.1 volts at 100-120V

/50-60Hz on the Electrical Safety Analyzer with the monitor
powered on.

Leakage-HI:

100.00 uA
Probe: High To
Line

Leakage-LO:

0.00 uA
Neutral :
Closed

Voltage HI:

120.0V

Voltage LO:

100.0V

Reverse: Off Ground: Open

5.4.7 Set the Ground switch to the Closed position on the Electrical

Safety Analyzer.

5.4.8 Set the polarity on the Electrical Safety Analyzer to Normal.

5.4.9 Read the current leakage on the Electrical Safety Analyzer.

5.4.10 Set the polarity on the Electrical Safety Analyzer to Reverse.

5.4.11 Read the current leakage on the Electrical Safety Analyzer.

NOTE: The readings should not exceed 100 µA or 0.1 volts at 100-120V

/50-60Hz on the Electrical Safety Analyzer with the monitor
powered on.

5.4.12 Turn the Monitor off.

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

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 BATTERY

PRIOR TO REASSEMBLY OF UNIT FOR PATIENT

MONITORING.

6.2 General Procedures

Opening the Rad-8 Pulse Oximeter will void the Masimo warranty.
Products that require repair while under warranty should always be
returned to Masimo for warranty service.

6.2.1 Masimo or other qualified service personnel must perform

warranty repair and service. Do not use malfunctioning
equipment until the cause of the malfunction has been identified
and the unit has been repaired in accordance with the
instructions set forth herein.

6.2.2 Inspect the unit for cosmetic damage prior to disassembly or

troubleshooting. External damage may be helpful in determining
the root cause of the failure.

6.2.3 Note any markings or labeling on the unit that may have been

placed by the end user. Duplicate or transfer this information in
the event the housing or ancillary components are replaced.

6.2.4 Make note of the unit’s serial number.

6.2.5 Make note of the software versions in the event the Rad-87

board or system boards are replaced. These boards require
software updates to make them compatible with the end user’s
version of software.

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

6.2.6 Contact Masimo Corporation using the information in Section 6

Alarm Condition But No

•

to research warranty history.

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 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 instrument is
“calibrated”.

6.3.2 Tools required are as follows:

Phillips head screwdriver
Digital Multi-meter

6.3.3 The troubleshooting steps below are presented in order of the

most probable cause first. Proceed to the next step only if the
unit continues to fail.

Symptom Cause and Corrective Action

Steps

• Speaker Alarming (very

loud) and unit is not
functioning or displaying.

• Alarm LED does not

Illuminate

1. Unit must be in alarm state.

• Probable Watchdog error.

1. Replace System board.

2. Replace User Interface board.

1. Replace User Interface board.

2. Replace Display board.

2. Audible alarm can be heard.

•

Audible Indication.

1. Replace Speaker.

2. Replace System board.

1. Unit is in alarm condition.

• Display Missing Segments

1. Replace User Interface board.

2. Replace Display board.

• Button Function Error

1. Any front panel button

1. Replace Keypad.

2. Replace User Interface board.

Affected.

2. Buttons do not activate
Feature.

"No Sen", or “Sen Off”

1. Replace sensor.

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

Symptom Cause and Corrective Action

Steps

Displayed.

1. Cable is connected with
Sensor attached.

2. Replace patient cable.

3. Replace flex cable.

4. Replace Pulse CO-Oximeter
board.

• Unit Will Not Turn Off

1. Replace Keypad.

2. Replace System board.

If unable to repair unit, then please arrange for

return to Masimo Corporation

refer to section 6.

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. The MX-1 board is held in reset and
no other runtime functionality is available to the user until the
unit is power cycled or until power is completely removed and
re-applied to the system (removal and/or replacement of
battery).

System Error System

Error
Code

MX-1 board Failure 1
MX-1 board Communication Failure 2
Board Host Failure 3
Speaker Failure 5
Vor Voltage Out of Range Error 11
Vbatt Voltage Out of Range Error 12
V5 Voltage Out of Range Error 13
Vcc Voltage Out of Range Error 14

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

7 Returns

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.

Make sure it is fully 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.

7.1.2.3 Place equipment on the designated decontamination table.

7.1.2.4 Apply cleaning agent (10% bleach to water solution) to paper

towel or use Cidex wipes.

7.1.2.5 Wipe down all aspects of the equipment.

7.1.2.6 Let the equipment air dry completely.

7.1.2.7 Remove gloves.

7.1.2.8 Move equipment to the area designated for equipment that has

been through the decontamination process.

7.1.2.9 Dispose of all contaminated products properly.

7.2 Return Transportation

7.2.1 Call Masimo “domestically” at [phone], option #2;

“internationally” at 949-297-7498, option #2 and ask for an RMA
number (or Customer Feedback Number-CFB #)

7.2.2 Package the equipment securely – in the original shipping

container if possible – and enclose the following information and
items:

7.2.2.1 A letter or email describing in detail any symptoms or difficulties

experienced with the Pulse CO-Oximeter. Please include the
RMA number (CFB #) in the letter.

7.2.2.2 Warranty information – a copy of the invoice or other applicable

documentation must be included.

7.2.2.3 Purchase order number to cover repair if the instrument is not

under warranty, or for tracking purposes if the warranty is in
effect.

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

7.2.2.4 Ship-to and bill-to information.

7.2.2.5 Person (name, telephone/Telex/fax number, email and country)

to contact for any questions about the repairs.

7.2.2.6 A document stating the Pulse CO-Oximeter has been

decontaminated for blood-borne pathogens.

7.2.3 Return Pulse CO-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: [e-mail]

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

8 Drawings and Schematics

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

Item # Rad-87 Parts

1 KIT ENCLOSURE RAD-87
3 ASSY, CABLE, RS232 ADAPTER, KESTREL
4 CABLE ASSY, MICRO COAXIAL, PLG RIGHT BLK
5 ASSEMBLY, FLEX INTERCONNECT
6 LCD MODULE, 480 X 272, COLOR TFT
7 ASSEMBLY, PCB, USER INTERFACE
8 ASSEMBLY, PCB, ANTENNA

9 MX-1 BOARD
10 SYSTEM CIRCUIT BOARD
11 RADIO INTERFACE BOARD
12 WLAN MODULE
13 STUD, EQUIPOTENTIAL, POAG, 6/15
14 JACKSCREW, 3/16" HEX, #4-40 MALE-FEMALE,
15 BATTERY,LEAD-ACID 6V, 1.3 Ahr MIN
16 TAPE, FOAM, 5/8" WIDE, 1/16" THICK
17 NUT, HEX, M6, STAINLESS STEEL
18 NUT, #4, SMALL PATTERN, STAINLESS STEEL
19 NUT, #4, WITH TOOTH WASHER, #4-40, 18-8, STAINLESS STEEL
20 NUT, HEX, M2, 18-8SS
21 WASHER, M6, SERRATED, STAINLESS STEEL
22 WASHER, M6, FLAT, STAINLESS STEEL
23 #4 SPLIT LOCK WASHER, STAINLESS STEEL
24 WASHER, FLAT, No. 2 NYLON
25 WASHER, FLAT, .156 OD X .093 ID, NYLON
26 SCREW, PAN HEAD PHILLIPS, #2-56 X .312 L
27 SCREW, PAN HD PHILIPS, M2 x 18MM LG 18-8SS
28 SCREW, FLAT HEAD PHILLIPS, #2-56 X .187
29 SCREW, PAN HEAD PHILIPS SEMS, #4-40 X 5/
30 SCREW, #4-40X 5/8", PHILLIPS, Pan Head
31 SCREW, #4-40 X.125", SHLDR.125"
32 SPACER, ROUND, 3/16” OD x 9/32” LG, ALUM
33 WASHER, FLAT, No. 2 STAINLESS TEEL

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Item # Rad-87 Parts

34 STANDOFF, 3/16" HEX, MALE-FEMALE THREADED
35 STANDOFF, 1/4" ROUND, THREADED, FEMALE,
36 BRACKET-ANTENNA
37 LABEL, RAD-87 CONNECTOR
38 CABLE ASSY, MICRO COAXIAL, PLG RIGHT WHT
39 EJECTOR HEADER CAP, 13 PINS, ROHS
40 TAPE, FOAM, 5/8" WIDE, 1/16" THICK
41 FOAM, RUBBER, NEOPRENE, 0.50" X 0.1875" X 50.0"
42 LABEL,NO IMPLIED LICENSE
43 BRACKET, FAN, MOUNT
44 ASSEMBLY, FAN
45 CABLE TIE
46 MOUNT, ADHESIVE BACKED, NYLON
47 GASKET, SPEAKER

Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual

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Rad-87 Signal Extraction Pulse CO-Oximeter Service Manual