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Warning

: Electrical Shock Hazard. There are electrically live parts within the temperature management unit when it is connected to a power 

source, even when the unit is in Standby mode. 
For information on operating the Model 750 temperature management unit, please refer to the Model 750 Operator’s Manual.

Please forward to Biomedical Engineering Department

Bair Hugger

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Model 750 Warming Unit

Service Manual

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Bair Hugger Modell 750 Temperaturmanagementgerät Service Gebrauchsanleitung
Warnung:

 Gefährliche elektrische Spannung. In einem an das Netz angeschlossenen Temperaturmanagement-Gerät stehen bestimmte elektrische 

Komponenten auch dann unter Strom, wenn sich das Gerät im Betriebsmodus Standby befindet. 
Informationen zum Betrieb des Temperaturmanagement-Gerätes Modell 750 finden Sie im Betriebshandbuch für das Modell 750.

Bitte an die Abteilung für biomedizinische Technik weiterleiten.

Unité de gestion de température Bair Hugger modèle 750 Service Manuel
Avertissement

  : risque de secousses électriques. L’appareil de gestion de la température contient des pièces qui sont sous tension lorsqu’il est 

raccordé à une source d’alimentation et cela même si l’appareil est en mode d’attente.
Pour de plus amples informations sur le fonctionnement de l’appareil de gestion de la température, modèle  750,  
consulter le manuel de l’utilisateur du modèle  750.

A transmettre au Service d’ingénierie biomédicale

Check the Bair Hugger therapy website to ensure you have the most recent version of this document.      www.bairhugger.com

                              

reorder #200595F

Содержание 750

Страница 1: ...ann unter Strom wenn sich das Gerät im Betriebsmodus Standby befindet Informationen zum Betrieb des Temperaturmanagement Gerätes Modell 750 finden Sie im Betriebshandbuch für das Modell 750 Bitte an die Abteilung für biomedizinische Technik weiterleiten Unité de gestion de température Bair Hugger modèle 750 Service Manuel Avertissement risque de secousses électriques L appareil de gestion de la te...

Страница 2: ...Bair Hugger Model 750 Warming Unit Service Manual English 1 Deutsch 27 Français 55 ...

Страница 3: ... Alternative Modes 8 Exiting an Alternative Mode 8 Service Procedures 9 Calibrating the Operating Temperatures 9 Testing the Over Temperature Detection System 11 Viewing the Fault Code Log 13 Clearing the Fault Code Log 13 Fault Code Table 14 Viewing the Hour Meter 15 Viewing the Operating Timer 15 Replacing the Air Filter 16 Replacing the Hose 17 Cleaning the Warming Unit 19 Technical Support and...

Страница 4: ...ay cause patients to become too warm or too cold The temperature management system can be used with adult and pediatric patients Contraindications Do not apply heat to lower extremities during aortic cross clamping Thermal injury may occur if heat is applied to ischemic limbs Warnings Do not leave patients with poor perfusion unmonitored during prolonged warming therapy 1 sessions Thermal injury m...

Страница 5: ...use ONLY Placing a sheet between the Bair Hugger blanket and the patient does not prevent contamination of this product Monitor the temperature and cutaneous response of patients who are incapable of 2 reacting communication and or who are without a sense of feeling every 10 20 minutes or according to institutional protocol Monitor the patient s vital signs regularly Adjust air temperature or disc...

Страница 6: ...it is installed in an environment that does not meet the appropriate electrical and grounding requirements Read Before Servicing Equipment All repair calibration and servicing of the temperature management unit require the skill of a qualified medical equipment service technician who is familiar with good practice for medical device repair If service does not require the manufacturer s attention t...

Страница 7: ...e following power on reset sequence after you connect the unit to a grounded power source Performs all self test functions Illuminates all indicator lights and all pixels in the alphanumeric display momentarily Displays the text BH 750 and the software revision level in the alphanumeric display Produces 3 chirping sounds Enters the Standby mode If the temperature management unit loses power for le...

Страница 8: ...or light illuminates Blower operates Heater activates except in Ambient mode Temperature mode timer and hour meter activate Temperature at the blanket end of the hose appears in the alphanumeric display Temp in Range indicator light illuminates when the temperature at the blanket end of the hose is within 1 5 C of the selected setting this indicator light does not illuminate in the Ambient mode St...

Страница 9: ...ess any button on the keypad to temporarily silence it The temperature management unit must be unplugged before it can be restarted See Viewing the Fault Code Log on page 13 and the Fault Code Table on page 14 for more information about specific fault codes Over Temperature Condition When an overtemperature condition exists the following events occur Over temp indicator light flashes Audible alarm...

Страница 10: ... or replacing the hose The nozzle temperature can be altered a maximum of 3 0 C by adjusting the calibration offset value In the Calibration mode the temperature management unit operates in the Ambient temperature mode and the alphanumeric display shows the current nozzle temperature and calibration offset with 0 1 C precision The Fault Code Log mode sequentially displays the last 5 fault codes st...

Страница 11: ...de button in combination with one of the operating mode buttons also located on the front panel The chart on the following page indicates which keys must be pressed to enter each of the 5 alternative modes When the correct combination of keys is pressed the display reads Hold for AltModeX where X represents the selected alternative mode from the list above Exiting an Alternative Mode Exit the alte...

Страница 12: ...justment of the temperature management unit s normal operating temperature could result in patient exposure to temperatures outside of the indicated range and may lead to patient injury Service frequency Every 6 months or 500 hours of use or whenever service is performed Tools equipment Model 22110 Temperature Test Unit NOTES The Model 22110 Temperature Test Unit simulates the operating characteri...

Страница 13: ...ext TMP and the temperature in C 0 1 C resolution at the end of the hose appear in the alphanumeric display The text OS and the current calibration offset value 0 1 C resolution appear in the alphanumeric display Compare the temperature shown on the alphanumeric display and the temperature on the 8 independent temperature calibration device If the temperatures match press the Alternative Mode butt...

Страница 14: ...ow it to reach ambient temperature before beginning the test Connect the temperature management unit to a grounded power source The unit performs 1 a self test and automatically proceeds to Standby mode Connect the temperature test kit to the hose of the temperature management unit 2 Press the 3 Ambient button and allow the temperature management unit to run for 5 minutes Press the 4 Alternative M...

Страница 15: ...t FAIL Unit did b not detect an over temperature condition within 150 seconds time out failure An alarm sounds and the Fault indicator light flashes The text FAIL flashes in the alphanumeric display followed by these messages OT Test 1 FAIL TestTime 2 150 Secs Unplug 3 To Reset NOTE Do not place a temperature management unit back into service if it fails the Over temperature Detection System test ...

Страница 16: ... FC n XX appears in the alphanumeric display FC is an abbrevia tion for the c phrase fault code n represents the numerical order of the fault code in the log and XX represents the code for the fault condition See page 14 for a list of fault codes and their meanings The time of each fault appears below FC n XX in the alphanumeric display d Press either the 3 Low or Med button to view the next fault...

Страница 17: ...gh wattage heater failure 10 A D converter timeout 11 A D startup check failed 12 Reserved Fault Code 13 Error in execution loop 14 Timeout on alphanumeric display busy flag clearing 15 RAM corruption in duplicate RAM locations 16 Error in executing a depressed key 17 Stuck key during startup 50 EEPROM is at max write cycles 51 Non 0 EEPROM byte detected after zeroing 52 EEPROM checksum failure on...

Страница 18: ...temperature management unit is now in Hour Meter Display mode In this mode the temperature management unit performs the following tasks Continues to operate in current operating mode a Hours appears in the alphanumeric display b Cumulative hours of temperature management unit operation appear in the c alphanumeric display Wait 60 seconds or press the 3 Alternative Mode button to return the tempera...

Страница 19: ...nal protocol for biohazardous material Method Disconnect the temperature management unit from the grounded power source 1 Turn the temperature management unit upside down 2 Remove the 2 screws located in the louvered filter cover 3 Lift the filter cover off the temperature management unit 4 Remove the air filter and discard it 5 Place the new filter in the filter compartment with the gasket toward...

Страница 20: ...d DETACHING HOSE Disconnect the temperature management unit from the power source before replacing 1 hose Unscrew the hose collar 2 If present use the Phillips screwdriver to remove the 2 screws that attach the hose to the 3 unit Slide the hose out of the temperature management unit The hose will still be attached to 4 the unit by a cable Using the needle nose pliers carefully detach the cable con...

Страница 21: ...ding slots on the header Align the flat section of the hose end with the corresponding flat part of the unit s hose 2 connector and slide the replacement hose into the temperature management unit Screw the hose collar back into place 3 Reconnect the temperature management unit to a grounded power source 4 Calibrate operating temperature settings 5 Perform over temperature detection system test 6 F...

Страница 22: ...nts and thermal injury may result precautions Do not use a dripping wet cloth to clean the cabinet Moisture may seep into the electrical contacts and damage the components Do not use alcohol or other solvents to clean the cabinet Solvents may damage the labels and other plastic parts Method Disconnect the temperature management unit from the power source before cleaning 1 Wipe the cabinet and the ...

Страница 23: ... call us The serial number label is located on the back or side of the unit In Warranty Repair and Exchange USA Call Arizant Healthcare customer service if your Model 750 temperature management unit requires factory service A customer service representative will give you a Return Authorization RA number Please use this RA number on all correspondence concerning your temperature management unit You...

Страница 24: ...e top foam piece If the plastic liner is available use it to enclose the the 2 temperature management unit Lower the temperature management unit carefully into the carton 3 Place the unit hose on the temperature management unit See Figure 4 4 Replace the top foam piece Observe proper orientation 5 Seal the carton with tape 6 Apply the shipping label addressed to Arizant Healthcare Inc 7 Write the ...

Страница 25: ...l Electronically controlled heat generated 1644 BTU hr average 482 W average operating temperatures Average temperatures at the end of the hose HIGH 43 1 5 C 109 4 2 7 F MED 38 1 5 C 100 4 2 7 F LOW 32 1 5 C 89 6 2 7 F Safety System thermostat Independent electronic circuit thermal cutoff shuts the heater OFF to ensure hose end air remains below 56 C 53 C 3 C typical back up over temperature detec...

Страница 26: ...0601 1 CAN CSA C22 2 No 601 1 EN 60601 1 2 EN 55011 ASTM F2196 02 classifications Classified under EN 60601 1 Guidelines and other national versions of the Guidelines as Class II Type BF Ordinary equipment Continuous operation Not suitable for use in the presence of flammable anesthetic mixtures with air or with oxygen or nitrous oxide Classified by Underwriters Laboratories Inc with respect to el...

Страница 27: ...Bair Hugger Model 750 Temperature Management Unit Service Manual 24 Maintenance Log Date Maintenance Action Performed Hour Meter ...

Страница 28: ...NDBY ON used on isolation switch OFF used on isolation switch ON OFF push button switch Temperature control Equipotentiality plug ground Fuse Caution Attention consult appropriate documents Warning Nonexplosion proof Dangerous voltage Type BF equipment patient applied Voltage alternating current AC Special Refuse discard separately Protective earth ground No free hosing VAC V ...

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