Teledyne MX300-I manual Ventilate the patient, water

Page 39

Portable Oxygen Monitor

Service Manual

 

 

 

Symptom

Why

What To Do

 

 

ventilate the patient, water

 

 

vapor actually dilutes the

 

 

gas. See Appendix:

 

 

Humidity, Temperature.

 

 

D) If a blender is used, check

 

 

its calibration. See

 

 

Appendix: Discrepancy in

 

 

Readings.

The unit has stopped

The MX300-I

A) Disconnect the batteries and

working and the LCD is

instruments are

inspect the contacts for

displaying

equipped with an

corrosion. Reconnect the

alphanumeric figures.

electronic "watch dog,"

batteries. If the unit functions

 

which monitors the

properly, calibrate the unit

 

circuitry within the unit

and reset the alarm values.

 

for potential faults and

B) Try a new set of batteries.

 

renders the unit

 

 

 

inoperable until the

C) Increase the distance

 

condition is corrected.

between the unit and any

 

(See Watch dog

source of radio frequency

 

section below)

interference. The sensor

 

Several conditions

cable is a prime source of

 

pickup as it can act like an

 

can activate the

 

antenna. Relocate the

 

"watch dog."

 

sensor cable and if possible

 

Dropping the unit,

 

change its coiled length to

 

poor battery

 

“de-tune” its antenna effect.

 

connections, and

 

Placing the cable in a

 

radio frequency

 

different position may also

 

interference are the

 

help.

 

most common

 

 

 

causes. See the

 

 

watch dog section for

 

 

additional information

 

Alarm sounds/flashes

A) Readings are

A) Adjust high and low alarm

continuously.

outside alarm

setting to be above and

 

limits.

below O2 value being

 

 

displayed.

No display.

A) Batteries expired.

A) Check/replace batteries.

 

B) Bad battery

B) Check battery connections.

 

connection.

C) Calibrate.

 

 

 

 

 

Keys inoperable/cannot

The LOCK/UNLOCK

A) Press LOCK/UNLOCK key

turn unit off

key is activated which

once. LCD will flash

 

is preventing key

indicating keys are active.

 

operation

 

Teledyne Analytical Instruments

39

Image 39
Contents MX300-I MX300-I About This Manual How To Use This ManualSafety Messages Table of Contents Appendix MX300-I Front View List of FiguresList of Tables MX300-I Front View IntroductionIntroduction MX300-I Applicable StandardsOptions FeaturesTheory of Operation ApplicationsSensor Signal ProcessingIntroduction MX300-I Operation SetupInstalling the R17MED Sensor Sensor Installation or ReplacementSensor Cable Connection to Monitor Mounting V-Mount Adapter InstallationInstalling Batteries Battery InstallationCalibration Sequence CalibrationPortable Oxygen Monitor Operation Setting the Alarms AlarmsOutput 0-1 VDC or RS232 0-1 VDC or RS 232 Digital Output Port Use ProcedureHumidity Gas SamplingPressure TemperatureAnesthetic Gases Discrepancy in ReadingsOxygen Reading Error in a Mixture of Anesthetic Gas Do’s and Don’ts CleaningPortable Oxygen Monitor Operation Operation MX300-I General Service Information Overall MaintenanceBattery Maintenance Calibration Sensor MaintenanceAlarms Pressure Troubleshooting Troubleshooting√ Sensor Ventilate the patient, water Watchdog Error CodesOther Problems with the Instrument Return Authorization for Service Appendix SpecificationsOptional Accessories Spare Parts ListOrders should be sent to Blank Crossover IndexIndex MX300-I