MFI WA Light Source
Contents
1. Light Lighting lllumination Intensity INDICATIONS Use of the Welch Allyn Light Source is indicated for medical lighting applica tions requiring a remotely located high quality white light This product must only be used by qualified medical personnel CONTRAINDICATIONS The use of the Welch Allyn Light Source is contraindicated for applications where high intensity light might burn or damage tissue such as for neonate transillumination and ophthalmic procedures For further contraindications the user must also consult the operating manual of the instrument being used with the Light Source in the medical procedure WARNINGS AND PRECAUTIONS N WARNING Possible explosion hazard Do not use in the presence of flammable anesthetics To ensure patient and operator safety read and understand this manual before using the Welch Allyn Light Source Do not remove cover Electrical shock hazard due to high internal voltage There are no user serviceable parts inside except for the lamp and fuse which are accessible through the bottom and back cover panels Refer all service to Welch Allyn Replace fuses as marked See Fuse Replacement Section page 8 The high intensity light at the front of the light source and at the tip of the Fiber Optic Bundle may give rise to high temperatures and bright light To minimize the risk of injury avoid direct viewing or contact with sensitive tissues Do not use for neonate transilluminati2. wall outlet The lamp was not able to cool down before restarting Verify that the wall outlet has power by checking the circuit breaker status and by operating other eguipment at that wall outlet Wait at least 15 seconds after turning the Light Source off before turning it back on The Light Source has overheated Verify that all ventilation slots and the fan area are not obstructed The Light Source should be mounted on the supplied mounting bracket and there should always be at least 3 inches clearance The lamp has burned out 11 Replace with a new Welch Allyn lamp Refer to the lamp replacement section MAINTENANCE AND REPAIR For minor trouble refer to the troubleshooting section in this manual for possible causes and corrective action Only qualified personnel should make electrical inspections of the Welch Allyn Light Source Repair To locate gualified personnel contact your local authorized Welch Allyn distributor or call Welch Allyn directly at 315 685 4560 WARRANTY AND SERVICE Welch Allyn warrants the Welch Allyn Light Source when new to be free of defects in material and workmanship and to perform in accordance with manufacturer s specifications when subject to normal use and service for a period of three years from the date of purchase from Welch Allyn or an authorized agent Welch Allyn will either repair or replace any components found to be defective or at variance from m
3. 42 EEC Medical Device Directive Declarations of Conformity are held by Welch Allyn s European Representative European Regulatory Manager Welch Allyn Ltd Kells Road Navan County Meath Republic of Ireland Tel 353 46 28122 Fax 353 46 28536 ENVIRONMENT Operating 60 F 15 C to 85 F 30 C Storage 13 F 25 C to 140 F 60 C EQUIPMENT CLASSIFICATION Class I Type B Continuous Operation FUSES T1 0A L250V 1 0A 250V time lag slow blow low breaking capacity 10 TROUBLESHOOTING If lamp is not illuminating and POSSIBLE CAUSE SOLUTION fan is not operating fan is operating Light Source is not plugged into either the wall outlet or the power cord socket Plug the power cord into the wall outlet and power cord socket at back of unit Power switch is not turned on Depress the I side of the power switch The bottom cover is not properly installed Remove the bottom cover and reinstall carefully making sure that the lip on the bottom fits into the front of the housing and that the thumbscrew is fully tightened One or both fuses have blown Replace both fuses Follow the instructions in the fuse replacement section If fuses continue to blow return Light Source to an authorized repair center Power cord is damaged This may cause intermittent operation Replace the power cord with a new Welch Allyn power cord No power is supplied to the
4. NOTE Welch Allyn Light Source should not be sterilized or immersed 1 Prior to cleaning turn power off and disconnect the power cord from both the wall outlet and the Welch Allyn Light Source 2 The external surfaces may be cleaned by wiping with a cloth dampened with mild soap and water or by using the following cleaning disinfecting solutions DO NOT IMMERSE Cidex CidexPlus 70 isopropyl alcohol 10 mild bleach solution Metracide 10 Wescodyne Banicide Wavecide 01 3 The power cord may be wiped clean using the same cleaning disinfecting solutions listed above Wipe dry with a clean cloth Care must be taken not to get the plug prongs wet DO NOT IMMERSE 4 Do not plug the unit into a wall outlet until it is thoroughly dry SPECIFICATIONS ELECTRICAL Input Voltage 100 240 VAC 50 60 Hz Input Current 1A 100 VAC Output 60 VDC 0 4A Leakage Current less than 100 microamps DIMENSIONS 8 2 21 cm L x 3 1 8 cm W x 5 2 13 cm H ILLUMINATION SYSTEM Welch Allyn HI Lux Lamp Color Temperature 5500 K Lamp 60 Volts 24 watts Lamp Life 300 hours average DIMMING SYSTEM Manual Shutter 20 to 100 FIBER OPTIC BUNDLE INTERFACE Standard ACMI Connector APPROVALS UL 2601 1 IEC 801 2 3 4 5 CSA C22 2 NO 601 1 M90 EN 55011 IEC 601 1 Australia AS3200 IEC 601 1 2 CE The CE mark on this product indicates it has been tested to and conforms with the provisions noted within the 93
5. Welch Allyn Light Source For Model Numbers 49500 49502 49504 and 49506 WA Welch Allyn CONTENTS Thank you for purchasing the Welch Allyn Light Source designed by a leading worldwide manufacturer of illuminated diagnostic instruments By following the use and care guidelines given in this manual you will be rewarded with years of dependable trouble free service from your new Light Source Read these instructions thoroughly before use System Symbol Descriptions 1 Warnings and Precautions 2 System Description ussssss 4 System Set up Operation 5 Mounting erem 6 Lamp Replacement ssssss 7 Fuse Replacement sssssss 8 Cleaning i e ee gt eee Ten 9 Specifications sseesssesesesss 10 Troubleshooting Guide 11 Maintenance and Repair 12 Warranty and Service usssss 12 Ordering Information 13 SYMBOL DESCRIPTIONS Attention Read Operating Manual for Warnings Precautions and Instructions for Use Dangerous Voltage Refer Servicing to Gualified Personnel gt gt CAUTION Type B Equipment Caution Hot Warning Risk of Fire Replace Fuses as Marked gt gt gt
6. anufacturer s specifications with in this time at no cost to the customer It shall be the purchaser s responsi bility to return the instrument directly to the authorized distributor agent or service representative This warranty does not cover the HI Lux Lamp or breakage or failure due to tampering misuse neglect accidents improper installation modification shipping or to improper maintenance service and cleaning procedures This warranty is also void if the instrument is not used in accordance with manufacturer s recommendations or if reguired or serviced by other than Welch Allyn or an authorized agent Purchase date determines warranty reguirements No other express or implied warranty is given 12 ORDERING INFORMATION 49500 49502 49504 49506 Welch Allyn Light Source 100 240 VAC 50 60 Hz U S A Plug Type Welch Allyn Light Source 100 240 VAC 50 60 Hz European Plug Type Welch Allyn Light Source 100 240 VAC 50 60 Hz U K Plug Type Welch Allyn Light Source 100 240 VAC 50 60 Hz Australian Plug Type REPLACEMENT PARTS 09500 76500 76502 76504 76506 24W HI Lux Lamp U S A Power Cord European Power Cord U K Power Cord Australian Power Cord 13 WA Welch Allyn 4341 State Street Road Skaneateles Falls NY 13153 Telephone 800 535 6663 315 685 4560 FAX 315 685 3361 Part 495002 Printed in U S A
7. m the holding spring assembly Lamp Connection Assembly Holding Spring 4 Replace with Welch Allyn replacement lamp 09500 only Do not touch the lamp itself or the interior reflective surface of the lamp Skin oils on the lamp will cause premature lamp failure Hold lamp by the outside of the reflector or the connector only Remove any grease or fingerprints with a clean cotton swab moistened with alcohol Do not leave any lint on the lamp 5 Reconnect the lamp to the lamp connector and place in the spring mechanism Be sure that the pin on the lamp is properly seated in the slot on the lamp bracket 6 Reattach the lamp door securely The unit will not power up unless the lamp door is seated properly FUSE REPLACEMENT 1 Turn the unit off and remove the power cord from both the wall outlet and the Welch Allyn Light Source Fuse Holder Fuse Holder 2 Use a small screwdriver to remove the fuse holder above the power cord connector by releasing the spring loaded snap connections 3 Pull out the fuse holder 4 Remove and replace with new fuses of the same type There is no reguired orientation of the fuses Be sure to replace both fuses Snap Connections Fuses 5 Reinsert the fuse holder by pressing it into the power connector until it snaps into place 6 If the new fuse blows immediately contact Welch Allyn Technical Service at 315 685 4560 8 CLEANING
8. on Erythema may result To prevent temporary blinding always plug the fiber optic bundle into the Welch Allyn Light Source before turning the power ON Total system risk current including the patient applied instrument should not exceed 100 microamps An isolation transformer is reguired if total system risk current exceeds 100 microamps when accessories are interconnected Do not sterilize the Welch Allyn Light Source Refer to Cleaning section for cleaning instructions Do not switch the Welch Allyn Light Source ON and OFF in rapid succession Doing so will dramatically shorten lamp life Allow lamp to cool down 10 to 15 seconds between uses CAUTION The Light Source should only be used by gualified medical personnel Provide adeguate ventilation to prevent overheating Do not cover or drape this light source Provide a 3 inch 7 62 cm distance between the Welch Allyn Light Source and any solid objects Grounding reliability is achieved only when connected to hospital use or hospital grade receptacles Inspect electrical plug and cord routinely Do not use if damage is discovered Do not use or store liguids above or on the Welch Allyn Light Source If this light source is used during invasive surgery the failure of a component within the system causing loss of illumination may indirectly cause risk to the patient Therefore it is recommended to have alternative means of illumination available Since
9. the light source uses a custom lamp always have a spare lamp available for replacement Use caution because lamp may be hot Allow the lamp to cool before replacing Use only Welch Allyn supplied power cord SYSTEM DESCRIPTION The Welch Allyn Light Source is used to supply high quality white light for video and optical illumination systems It accepts standard ACMI connectors Power Switch Fan Grill Fuse Drawer AC Power Fiber Optic input Control Knob FRONT BACK Mounting Post Mounting Bracket SS gt Nc SEC p BOTTOM SET UP AND OPERATION After a 15 second warm up period the light output will stabilize at its normal intensity The fiber optic bundle must be plugged in to stabilize light output CAUTION Verify that the supply voltage matches the voltage range indicated on the rear of the Welch Allyn Light Source To prevent temporary blinding turn power on only after the fiber optic bundle is plugged in and the intensity control knob is set to the minimum position The fiber optic bundle port is hot when fiber optic bundle is removed 1 Plug the Welch Allyn Light Source into a hospital grade receptacle 2 Turn the light intensity control knob to its minimum position Plug the fiber optic bundle in
10. to the illuminator port and connect the opposite end to the instrument 3 Turn the power switch to the on position The lamp will take 15 seconds to complete its warm up cycle Minimum Light Output Maximum Light Output Fiber Optic Bundle Port Control Knob 4 Set light intensity to desired level 5 Turn unit off when not in use NOTE Do not restart lamp immediately after turning off The lamp may fail to start If this occurs turn the power switch off and wait 15 seconds before restarting the Welch Allyn Light Source 5 MOUNTING CAUTION Do not cover or drape light source generates heat For proper ventilation maintain a clearance of 3 inches 8 cm around the unit especially around the fan Secure bracket to a flat surface with screws provided Align mounting post on Light Source with mounting hole on bracket View A Slide mounting lock until it clicks into place View B Light Source is now securely mounted to table VIEW A Supplied Screws Mounting Post Mounting Bracket VIEW B Mounting Lock LAMP REPLACEMENT CAUTION Lamp may be hot Allow the lamp to cool before replacing 1 Turn unit off and unplug the power cord from both the wall outlet and the Welch Allyn Light Source 2 Remove the lamp door from the bottom of the Welch Allyn Light Source by unscrewing the lamp access knob on the back of the lightbox 3 Disconnect the lamp connector assembly and remove the lamp fro
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