Home
User`s Manual (6/6A)
Contents
1. Zhermack technica a EN MAINTENANCE AND USE MANUAL EJ IDENTIFICATION DATA The equipment described in this manual has an ID platelet giving information about both the machine and the manufacturer BEYOND INNOVATION BEYOND INNOVATION oO mE SpA Badia Polesine RO Italy mme SpA Badia Polesine RO Italy Q 305201 VAP6 o EE C305203 VAP 6A SN 20000000 Q9 SN 20000000 Q 230V 50 60Hz 1700W J 230V 50 60Hz 1700W J mak C Zhermack Name address of manufacturer Equipment code and model Serial number Power supply information gow The equipment has been built in compliance with the EC directives listed in the enclosed EC declaration of conformity When requesting spare parts information or assistance from your Authorised Servicing Centre always quote the data on the ID plate Should the ID plate deteriorate and become illegible even partially order a replacement plate from the manufacturer remember to quote the relevant data Do not remove and or damage the plate as you must be able to read the data at AN all times 3 5 1 On equipment labels and symbols The following symbols are applied on the machine OR REMOVE PROTECTION BEFORE YOU HAVE DISCONNECTED THE PLUG ATTENZIONE DANGER OF AN ELECTRICAL CURRENT DO NOT OPEN DOORS FROM THE ELECTRICAL SOURCE 136 Of 828 vap 6A AD 8 ZhermacK MAINTENANCE AND USE MANUAL
2. turn the water softener knob 30 to position 2 as illustrated in fig 2 section 3 4 Loosen the lid knob 25 and wait for the pressure to be released Remove the lid by unscrewing the knob 25 then introduce the salt Clean off any salt or resin that may have deposited on the lid seal replace the lid and screw it back in place properly Turn the knob 30 to position 3 as illustrated in fig 3 section 3 4 and let the salt water drain from the hose 31 until it becomes fresh this takes about 40 minutes Turn the knob 30 to position 4 as indicated in fig 4 section 3 4 wait about 30 seconds then bring the knob 30 to position 1 as illustrated in fig 1 section 3 4 In the intervening 30 seconds the unit will not be supplied with softened water When regeneration is being carried out the steam generator connected to E the softener is still supplied with water but the latter is not softened Regeneration frequency depends on how often the AD 8 softener is used and the degree of purity of the water The installer will be able to provide information regarding the hardness of the water at the installation site To maintain AD 8 water softener performance use the chart enclosed with E this manual to record regeneration data Use only NaCl common cooking salt to regenerate the softener Do not use acid or basic substances solvents chemical products 148 of 328 vap 6 vap 6A 8 ZhermacK MAINTE
3. HOW TO READ AND USE THIS MANUAL This Use and Maintenance Manual provides information on the utilisation installation and maintenance of electronic steam generators VAP 6 VAP 6A and water softener AD 8 made by Zhermack S p A The equipment must be used in accordance with the instructions in this manual it is therefore recommended that you read it carefully prior to installation and start up Make sure that you read the entire manual and pay particular attention to messages written in bold type or items highlighted by boxes and or symbols the symbols are designed to highlight situations involving danger or requiring caution see paragraph 1 2 Observance of standards and regulations shown in this manual will ensure that the equipment is used properly and that maintenance work is carried out safely This Use and Maintenance Manual is an integral part of the equipment it should therefore be kept together with the equipment so that it can be consulted as and when necessary keep the booklet in a secure a dry place away from sunlight atmospheric agents etc It must be available for consultation throughout the working life of the equipment even when the equipment is sold or finally dismantled t is recommended that you keep this manual constantly updated by integrating any amendments additions or modifications made by the Manufacturer Any notes or comments should be made on the blank pages at the rear of the booklet see A
4. TECHNICAL On the VAP 6 there is a label on the water filler plug which says EXTREME CAUTION HOT STEAM EXTREME CAUTION VERY HOT PRESSURISED STEAM This label informs the user that there is a danger of high temperature steam escaping when the water filler plug is unscrewed always proceed with maximum caution when unscrewing the plug and observe the instructions given in this handbook 6 6A 8 137 of 328 Zhermack TECHNICAL EN MAINTENANCE AND USE MANUAL CHAPTER 4 TECHNICAL CHARACTERISTICS EIB TECHNICAL CHARACTERISTICS AND OPERATING PRINCIPLE Zhermack S p A designs and manufactures work instruments that provide cutting edge technology and first rate quality They are specially designed to provide made to measure solutions that offer long lasting performance every single day of their working life In making these products Zhermack S p A makes use of the latest design tools thus ensuring that all finished equipment is as functional as possible Use of only top quality materials and thorough testing aimed at providing maximum user safety are an Zhermack S p A constant making our products safe and internationally competitive The VAP 6 and VAP 6A are compact electronic steam generators they produce steam or hot water at pressures of up to 6 bar They have the following technical characteristics electronic operation with on gauge pressure display boiler is filled with water manually VAP 6
5. properly compiled ID form If the equipment is to be transported by courier the postal service or rail it is recommended such shipments be insured DISPOSAL DISMANTLING When disposing of the packaging materials the user must comply with the standards in force in his her country regarding the following materials Wood paper non polluting materials but must be recycled properly Polystyrene plastic pollutants which must not be burnt toxic fumes nor dispersed into the environment but disposed of in compliance with the standards in force in the country of use If the equipment is to be dismantled the user must in compliance with EC directives and the laws in force in the country of use effect elimination and recycling of the following materials Plastic and glass parts insulated electrical wiring rubber parts There are no toxic or corrosive parts This product must not be disposed of as household waste but rather when no longer used must be collected separately according to EC Directive 2002 96 Vap6 vap6A AD8 YC 1106328 Zhermack TECHNICAL CN MAINTENANCE AND USE MANUAL CHAPTER 6 INSTALLATION AND FIRST TIME USE KAH WARNINGS AND PRECAUTIONS Before proceeding with installation make sure that all relevant safety conditions prevail and follow the instructions below carefully So as to provide greater clarity the numbers given in the diagrams in this EJ chapter correspond exactly to the
6. TECHNICAL CHAPTER 8 MAINTENANCE CLEANING The equipment exterior can normally be kept clean just by wiping it with a dry cloth If necessary wet the cloth just a little water or use a non degreasing detergent see section 2 4 The operator must ensure that the equipment is kept clean and free from any foreign bodies such as dirt water non conducting liquids etc Cleaning should be carried out at the end of every work session and must be done with the equipment switched OFF and stable If you need to clean the interior of the unit contact an Authorised Service Centre Before cleaning the equipment exterior always turn the main switch to OFF It is strictly forbidden to clean the equipment while it is connected to the mains power supply Never use inflammable corrosive alkaline or toxic liquids when cleaning the equipment Eye goggles and a face mask must be worn when using compressed air for cleaning purposes Do not allow any persons near the equipment as they could be hit by flying dust gt 90 ROUTINE MAINTENANCE Once the equipment has been cleaned see section 8 1 the operator must check for worn damaged or loose parts If any such anomalies are discovered contact your Authorised Servicing Centre Should any of the above anomalies be discovered it is strictly forbidden to restart the equipment before such faults have been set right More precisely should the operator note any defects or problems of any k
7. all responsibility If a maintenance task is required but is not described in this manual you must contact an Authorised Servicing Centre 8 3 1 Emptying the water from the boiler To empty the VAP 6A boiler quickly proceed as follows Turn the main switch 4 to off Select the water function via the mode switch 16 Drain the water by pressing the gun trigger button 9 If instead you are emptying the VAP 6 proceed as follows Switch off the machine via the main switch 3 and disconnect the plug from the mains power socket Wait for the equipment to cool down completely this takes about 40 minutes Unscrew the water filler plug 13 Grip the unit by its base turn it upside down and pour the water into a suitable recipient see illustration below described above when it is switched on or under pressure The Manufacturer cannot be held liable for any damages caused by any failure to observe the above information and instructions p Q It is strictly forbidden to empty the machine as The machine is heavy at least 2 two workers 557 are required to turn it upside down 154 of 328 vap 6 vap 6A AD 8 ZhermacK MAINTENANCE AND USE MANUAL CEN TECHNICAL Replacing the nozzle 8 3 2 To replace the nozzle proceed as follows remove the old nozzle by pulling it outwards make sure that the rubber seal is inserted correctly in its seat in the gun insert the new nozzle secure it by pu
8. to carry out routine maintenance or customer negligence This Warranty does not provide for any awards for direct or indirect damages of any kind caused to persons or things by any equipment inefficiency 2 The Warranty is instantly rendered null and void if the equipment is repaired modified or tampered with by the purchaser or any unauthorised third parties Responsibility for damages caused by defective products expires 10 years after the Manufacturer puts them on the market after such time damages are the user s responsibility as stated in EC Directive 85 374 3 To have work carried out under Warranty the purchaser must only contact the retailer the Manufacturer authorised servicing centres or the Manufacturer The Warranty entitles the purchaser to free replacement of defective parts It does not entitle the purchaser to replacement of the entire equipment 4 In the event of disputes over application of the Warranty the quality or condition of the equipment the purchaser shall not suspend payment or delay payment of the price or price instalment 5 The purchaser shall not be entitled to damages for any loss of production 6 The Warranty is rendered null and void if a the equipment is damaged by a fall exposed to fire spilt liquids lightning natural disaster or any other cause not imputable to the Manufacturer b installation has not been carried out properly c power supply is incorrect e g rated mains voltage incorrect Erroneo
9. 021 Badia Polesine RO Italy Tel 39 0425 597 611 Fax 39 0425 53 596 http www zhermack com e mail info zhermack com If equipment maintenance work fails to comply with instructions or is done in such a way as to compromise equipment integrity or modify its characteristics Zhermack S p A shall be exonerated from any liability as regards worker safety and or equipment performance WARRANTY GENERAL INSTRUCTION FJ Included in the Appendices to this Use and Maintenance Manual you will find the Warranty certificate and the ID Form which must be filled out in full In general the Warranty is rendered null and void by the following Improper equipment use Incorrect installation Serious negligence of maintenance schedules Modifications to or work on the equipment which has not been authorised by the Manufacturer especially on safety devices Use of non original spare parts IMPORTANT Always keep the original product packaging throughout the guarantee period You will need the packaging if the product has to be returned to the Service Centre for repairs or replacement in the event of manufacturing defects or malfunction with the exception of wilful damage negligence failure to perform routine maintenance or damage during transport If you are not in possession of the original packaging contact Zhermack S p A and ask for instructions possible repackaging costs will be charged on delivery The customer is res
10. CE AND USE MANUAL CEN TECHNICAL FIRST TIME USE VAP 6A IX Fig 8 Place the steam generator on the work bench and the softener on the floor making sure both Ti mia are level see section 6 3 1 TI DM Fig 9 Connect up the water softener to the mains water supply by attaching the hoses to the inlet tap 29 and water outlet tap 26 on the softener itself Then tighten the hose clips Connection to the water softener must only be effected by qualified authorised personnel Fig 10 Connect the water outlet hose 31 on the softener directly to an open siphon this must be below the softener Before connecting up the hoses remove any rubber plugs inserted in lt lt the inlet outlet connectors on the AD 8 water softener Figure 10 Fig 11 To ensure that the resin in the exchanger gives the required performance rinse the softener by turning the knob 30 to position number 4 backflow position see fig 4 section 3 4 for at least 10 gt lt minutes until the water outflow is perfectly clear When doing this direct the water into the open siphon see previous figure Figure 11 6 6A 8 145 of 328 Zhermack TECHNICAL EN MAINTENANCE AND USE MANUAL Fig 12 Regenerate the water softener as explained in section 6 6 2 Improper regeneration of the water ecm softener can damage the steam generator If you have any doubts
11. EM L D 8 A Migne mee don 5 ners clea m Stea C cnn MAINTENANCE AND USE MANUAL Translation of the original operating instructions GENERAL INDEX ZhermacK INTRODUCTION CH 1 Pag 127 1 1 How to read and use the manual Pag 128 1 2 Terminology and symbols GENERAL INFORMATIONS CH 2 Pag 129 2 1 Responsibility Pag 129 2 2 Warranty general instruction Pag 130 2 3 Authorized personnel Pag 130 2 4 General safety regulations DESCRIPTION OF THE EQUIPMENT 3 Pag 132 3 1 General description of equipment Pag 132 3 2 Table of the components VAP 6 VAP 6A Pag 133 3 2 1 Description of the components VAP 6 VAP 6A Pag 134 3 3 Table of the components AD 8 Pag 134 3 3 1 Description of the components AD 8 Pag 135 3 4 Description of the AD 8 valve dial positions Pag 136 3 5 Data for the identification Pag 136 3 5 1 On equipment labels and symbols TECHNICAL CHARACTERISTICS CH 4 Pag 138 4 1 Technical characteristics and equipment operating principle Pag 139 4 2 Technical Data Pag 139 4 2 1 Standard accessories Pag 139 4 2 2 Weight and overall dimensions TRANSPORT AND MOUNTING 5 140 5 1 Warning Pag 140 5 2 Packing and unpacking Pag 141 5 3 Transport and mounting Pag 141 5 4 Disposal Dismantling INSTALLATION AND FIRST TIME USE CH 6 Pag 142 6 1 Warnings and precautions Pag 142 6 2 Permitted ambient conditions Pag 142 6 3 Required work spac
12. NANCE AND REPAIR WORKSHEET DATE DESCRIPTION WORK SIGNATURE 6 vap 6A 8 161 of 328 CEN MAINTENANCE AND USE MANUAL WATER SOFTENER REGENERATION CHART DATE DESCRIPTION WORK SIGNATURE 162 of 328 6 vap 8 Zhermack MAINTENANCE AND USE MANUAL CEN TECHNICAL AUTHORIZED SERVICE PARTNERS Please visit the page http www zhermack com Technical Equipment Authorized service partners kl to check all the updated telephone numbers and addresses of the Authorized service partners NOTES FNA vap 6 vap 6A AD8 163 of 328 www tecnomedia biz z o CN gt Zhermack TECHNICAL Zhermack S p A Via Bovazecchino 100 45021 Badia Polesine Rovigo Italy Tel 439 0425 597 611 www zhermack com
13. NANCE AND USE MANUAL CEN TECHNICAL PURPOSE OF THE EQUIPMENT IMPROPER AND FORBIDDEN USE The VAP 6 and VAP 6A steam generators have been designed to generate steam or hot water to clean semi finished odontotechny products The AD 8 water softener is connected up to the mains water supply and connected to the VAP 6A Steam generator where the latter is connected directly to the mains water supply The AD 8 water softener has been designed to soften the mains drinking water to ensure long lasting performance of the VAP 6A steam generator Using the equipment for any purpose other than that described in this manual shall be considered improper and thus forbidden Improper use renders the Warranty null and void Zhermack S p A shall not be liable for any damages to objects workers or third parties AN The main reasons for which the Warranty may be rendered null and void are given in section 2 2 and in the Warranty Certificate enclosed with this Manual Vap6 vap6A AD 149 0328 Zhermack TECHNICAL EN MAINTENANCE AND USE MANUAL CHAPTER 7 USING THE EQUIPMENT WARNINGS The equipment must not be used with any of its parts disassembled before using the equipment make sure that all its components properly place follow the described procedures with caution To ensure that work is done in absolute safety always make sure that you To provide greater clarity the numbers given in the d
14. ORTANT Always keep the original product packaging throughout the 140 of 328 vap 6 vap 6A AD 8 ZhermacK MAINTENANCE AND USE MANUAL CEN TECHNICAL The equipment is not supplied with gloves or protective glasses however the operator must be in possession of these items in order to utilise the lt equipment TRANSPORT AND MOUNTING Should it be necessary to move the equipment proceed as follows 1 disconnect the equipment from the mains power supply 2 if necessary empty the boiler see section 8 3 1 3 disconnect for VAP 6A the water softener hose if any from the water inlet connector 29 4 disconnect the other softener hose from the water supply tap 5 grip the unit by the base making sure you hold it vertically Proceed cautiously bearing in mind the size and weight of the unit see section 4 2 2 so as to prevent any accidents that might be caused by failure to evaluate such factors 6 Pack the equipment in its original box or if this is not possible take all the necessary precautions to protect the equipment against knocks or drops in that the goods are transported at the owner s risk Failure to observe the above exonerates the Manufacturer from any liability concerning equipment malfunction and consequently renders the Warranty lt null and void When shipping delivering the equipment to your Authorised Servicing Centre always enclose a copy of the purchase document and a copy of the
15. d inside the boiler when the element is on 1 Low pressure inside the boiler due to steam condensation 1 Press the gun trigger for a few seconds with the machine on 156 of 328 vap 6 vap 8 ZhermacK MAINTENANCE AND USE MANUAL recnnieat APPENDICES CE DECLARATION OF CONFORMITY A 1 CE DECLARATION OF CONFORMITY 2 WARRANTY CERTIFICATE AND IDENTIFICATION FORM A 3 MAINTENANCE AND REPAIR WORKSHEET 4 WATER SOFTENER REGENERATION CHART A 5 AUTHORIZED SERVICE PARTNERS A 6 NOTES A 7 Vap6 vap6A AD8 BOF 328 Zhermack TECHNICAL EN MAINTENANCE AND USE MANUAL EW DECLARATION OF CONFORMITY The Manufacturer Zhermack S p A Via Bovazecchino 100 45021 Badia Polesine RO Italy Tel 39 0425 597 611 Fax 39 0425 53 596 Person authorised to compile the technical file Zhermack S p A Via Bovazecchino 100 45021 Badia Polesine RO Italy Tel 39 0425 597 611 Fax 39 0425 53 596 declares under its sole responsibility that the product Vap 6 Vap 6A is in conformity with Directive 2011 65 EU of the European Parliament and of the Council of 8 June 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment It is also in conformity with the laws implementing the following directives EC Directive 2004 108 EC Directive and subsequent amendments EC Directive 2006 95 Low Voltage Direc
16. e Pag 143 6 3 1 Worktops Pag 143 6 4 Connecting up to the power supply Pag 144 6 5 First time use VAP 6 Pag 145 6 6 First time use VAP 6A Pag 148 6 6 1 Filling the boiler with water VAP 6 Pag 148 6 6 2 Regenerating the AD 8 water softener Pag 149 6 7 Purpose of the equipment Improper and forbidden use 125 of 328 vap 6 vap 6A 8 Zhermack TECHNICAL EN MAINTENANCE AND USE MANUAL USING THE EQUIPMENT 7 Pag 150 7 1 Warning Pag 150 7 2 Safety system Pag 151 7 3 Start up and operation Pag 152 7 4 Residual risk MAINTENANCE 8 Pag 153 8 1 Cleaning Pag 153 8 2 Routine maintenance Pag 154 8 3 Unscheduled maintenance Pag 154 8 3 1 Emptying the water from the boiler Pag 155 8 3 2 Replacing the nozzle Pag 155 8 4 Restarting after a long period of inactivity Pag 155 8 5 Requesting technical assistance TROUBLESHOOTING CH 9 Pag 156 9 1 Warning Pag 156 9 2 Problems causes and remedies APPENDICES Pag 158 A 1 CE Declaration of conformity Pag 159 A 2 CE Declaration of conformity Pag 160 A 3 Warranty certificate and identification form Pag 161 4 Maintenance and repair worksheet Pag 162 A 5 Water softener regeneration chart Pag 163 A 6 Authorized service partners Pag 163 A 7 Notes The data given in this manual may be modified without prior notice 126 of 328 vap 6 vap 6A AD 8 ZhermacK MAINTENANCE AND USE MANUAL CEN TECHNICAL CHAPTER 1 INTRODUCTION
17. e power lead or tamper with the supplied plug It is forbidden to use the equipment on items other than those for which it has been specifically designed Before doing any cleaning routine and or unscheduled maintenance work make sure that the equipment has been unplugged from the mains socket Make sure that there are no foreign objects inside the work area as these could damage the equipment and or injure personnel Do not use petrol or flammable solvents as detergents use only non flammable non corrosive and non toxic substances see paragraph 8 1 High temperature steam can cause burns where the unit is used improperly Do not direct the jet of steam from the gun at sources of electricity and or at people VAP 6 never unscrew the water filler plug if there is steam in the boiler 130 of 328 vap 6 vap 6A AD 8 ZhermacK MAINTENANCE AND USE MANUAL CEN TECHNICAL If you do not intend to use the equipment for some time always disconnect it from the power supply Have the machine serviced by the Manufacturer at least once a year VAP 6A if the overpressure warning light comes on repeatedly switch off the machine via the main switch and contact an Authorised Service Centre VAP 6A if the safety valve opens switch off the machine via the main switch and contact an Authorised Service Centre The AD 8 water softener has been designed to operate at a working pressure of between 1 and 8 bar and must on
18. electronic control of minimum water level with element shutdown device and warning light working pressure switch dual safety device overpressure switch with element shutdown device warning light safety valve stainless steel 4 litre boiler with water refill of about 2 5 litres safety fuse 2 work modes are available on the VAP 6A high temperature steam from gun hot water from gun on the VAP 6A the quantity of water or steam exiting the gun can be adjusted the VAP 6A can be connected to the mains water supply or an electronically controlled external tank The AD 8 instead is a water softener Utilisation of the AD 8 is advisable where the VAP 6A is connected to a mains water supply The AD 8 softener has been designed to operate at working pressures of 1 8 bar It has a stainless steel body It should only be supplied with cold drinking water Regeneration must be carried out with NaCl only common cooking salt 138 of 328 vap 6 vap 6A AD8 ZhermacK MAINTENANCE AND USE MANUAL CEN TECHNICAL TECHNICAL DATA Technical data on the electronic steam generators VAP 6 VAP 6A Power supply 230 V 10 50 60 Hz Max absorbed power 1700 Watt Protection rating IP IPXO Noise level 70 dB Gun voltage 24V Boiler capacity 41 Boiler refill pM Boiler dimensions cm 15 5 I x 31 p x 26 h Technical data on the AD 8 water softener Working pressure between 1 and 8 bar Water supply cold dr
19. he VAP 6 VAP 6A via the main switch the LED on the key fails to come on 1 The plug is not inserted in the socket The power lead is damaged 2 Fuse blown 1 Insert the plug in the mains power socket If the power lead needs replacing always contact an Authorised Service Centre 2 Replace the fuse with one of identical specifications T 10 A Always contact an Authorised Service Centre During start up of the VAP 6 the indicator light 6 stays on for longer than 5 seconds 1 No water not enough water in the boiler 1 Add distilled water to the boiler see section 6 6 1 The electric pump on the VAP 6A fails to fill the boiler with water 1 Automatic pump shutdown on account of the overheating caused by high pressure or no water in the boiler 1 Proceed as per point 1 of section 22 Steam generator overpressure warning light comes on 1 Safety pressure switch has tripped because pressure is higher than 6 bar thus shutting down the machine 1 Proceed as per point 2 of section 7 2 If overpressure warning light comes on repeatedly contact an Authorised Service Centre Steam generator safety valve has opened 1 Steam generator malfunction 1 Switch off the machine via the main switch see note in section 7 2 and contact an Authorised Service Centre The pressure in the boiler drops considerably when the gun trigger button is pressed or noise is hear
20. he machine back on 150 of 328 vap 6 vap 8 ZhermacK MAINTENANCE AND USE MANUAL CEN TECHNICAL If the overpressure warning light comes on repeatedly switch off the steam generator via the main switch and contact an Authorised Service Centre AN turn the element switch to OFF 4 release the pressure via the gun until it drops to 4 bar switch off the steam generator via the main switch and contact an Authorised Service Centre If the safety valve should open proceed as follows START UP AND OPERATION gun is present If there is no gasket replace it with the one in the kit making sure the nozzles are correctly inserted to avoid flow back of water and or steam towards the user If you are using the kit XR0020065 gun kit make sure the gasket at the end of the After setting up the machine see sections 6 5 and 6 6 proceed as follows On the VAP 6 1 Switch the element on via the relevant switch 4 the on switch LED comes on The water low warning light 6 and element ON indicator light 5 come on simultaneously After five seconds the water low warning light goes out automatically while the element ON indicator light 5 stays on until pressure reaches 6 bar If after 5 seconds the water low warning light 6 remains on the boiler must be filled with water see section 6 6 1 2 Press the trigger button 9 on the gun and the steam exits the gun nozzle 3 Adjust steam o
21. iagrams in the following EJ paragraphs correspond exactly to the numbering in Chapter 3 in the Equipment Description section SAFETY SYSTEMS To ensure optimum working reliability Zhermack S p A employs only top quality materials and components for the manufacture of the equipment The equipment is also thoroughly tested before delivery All materials are of only the highest quality and are checked on arrival at our plant during storage and when they are used so as to guarantee a product that is free from damage deterioration and or malfunctions In particular the steam generators in addition to the safety fuse and safety valve have 1 On the VAP 6A Automatic pump shutdown if the pump overheats because of high pressure or lack of water To reset the pump proceed as follows turn the element switch to OFF 4 switch off the machine via the main switch 3 and remove the plug from the power socket let the pump cool for about 15 minutes remove the rear cover by unscrewing the fixing screws press the pump reset switch 22 replace the rear cover 2 On the VAP 6 and VAP 6A Internal safety pressure switch which shuts down the machine if working pressure exceeds 6 bar in this event the overpressure warning light comes on To reset the machine proceed as follows release pressure via the gun until it drops to 3 bar turn the element switch to OFF 4 switch off the machine via the main switch switch t
22. ind whatsoever he she must place a warning sign on the equipment indicating that maintenance work is in progress and that using the equipment is forbidden EC compliant signs can be purchased from the relevant suppliers Routine maintenance cleaning and proper equipment use are essential factors in guaranteeing long lasting equipment performance and safety maintenance purposes Such items must be replaced as soon as the situation which led to their removal no longer exists and in any case before the equipment is used again Equipment safety deviceslguards must never be removed except for repair and Vap6 vap6A AD 153 of 328 Zhermack TECHNICAL EN MAINTENANCE AND USE MANUAL UNSCHEDULED MAINTENANCE Unscheduled maintenance includes repair of any accidental breakage and replacement of worn or malfunctioning parts electrical and mechanical work must only be carried out by an authorised Zhermack S p A maintenance technician Modifications which alter the equipment characteristics from a safety and EJ risk prevention viewpoint may only be made by the Manufacturer who shall then issue a certificate stating that the equipment conforms to safety standards Therefore any modification or maintenance tasks not actually described in this manual are to be considered forbidden If the equipment is modified tampered with or repaired by unauthorised personnel or non original spare parts are used the manufacturer is relieved of
23. inking water Regeneration NaCl 1 kg The frequency with which regeneration needs to be carried out depends on how often the AD 8 softener is used and the degree of purity of the water lt The installer will be able to provide information regarding the hardness of the water at the installation site Standard accessories 4 2 1 In addition to this Use and Maintenance Manual the equipment comes complete with COMPONENTS QuaNTITY ORD Water filler funnel VAP 6 1 10020255 Gun kit 1 XR0020065 Fuse 2 XE0802100 Water inlet outlet tap connection hoses VAP 6A 2 XF0486320 Please quote the order code when ordering a spare part You may order parts from your local Authorised Servicing Centre Weight and overall dimensions 4 2 2 Dimensions 6 VAP 6A WITHOUT PACKING WITH PACKING Height h 42 cm 53 cm Width 29 cm 39 cm Depth p 46 cm 55 cm Weight 15 kg 19 5 kg Dimensions AD 8 WITHOUT PACKING WITH PACKING Height h 40 cm 70 cm Width 30 cm IIS IG Depth p 20 cm 22 cm Weight 8 5 kg 10 kg Vap6 vap6A AD 139 of 328 Zhermack tecnica a EN MAINTENANCE AND USE MANUAL CHAPTER 5 TRANSPORT AND MOUNTING WARNING prevent any injury to persons or damage to things always proceed with the utmost care and attention when mounting the equipment Observe all the precautions and instructions contained in the following paragraphs PACKING AND UNPACKING All the material is thoroughly checked b
24. l DANGER N This symbol refers to safety standards which must be observed at all times in order to protect both workers and equipment Critical situations concerning dangerous areas or tasks in which failure to observe the instructions may render the warranty null and void or cause damage to equipment connected components or the surrounding area are highlighted by the symbol WARNING A This symbol refers to safety standards which must be observed carefully in order to guarantee your safety other people s safety and prevent damage to the equipment Any work that fails to comply with instructions in this manual or any tampering which might automatically render the warranty null and void is highlighted by the following symbol FORBIDDEN This symbol refers to actions which must never be carried out i e forbidden actions Any general information and or advice which may be useful at any time is highlighted by the following symbol NOTE CS This symbol highlights information and or useful advice 128 vap 6A AD 8 ZhermacK MAINTENANCE AND USE MANUAL CEN TECHNICAL CHAPTER 2 GENERAL INFORMATIONS RESPONSABILITY Failure to observe the instructions in this Use and Maintenance Manual exonerates the Manufacturer from any liability whatsoever For any matters not covered by this manual or about which you have any doubts please contact the Manufacturer directly Zhermack S p A Via Bovazecchino 100 45
25. lified personnel or maintenance work that does not comply with the instructions in this manual Zhermack S p A is as of this moment exonerated from any liability concerning injury to persons or damage to objects that may result from using this equipment in a way other than that described in this manual This equipment has electrical parts therefore in the event of a fire no matter Q Vap6 vap6A AD8 81 328 Zhermack TECHNICAL CEN MAINTENANCE AND USE MANUAL CHAPTER 3 DESCRIPTION OF THE EQUIPMENT GENERAL DESCRIPTION OF THE EQUIPMENT This manual describes the following equipment items VAP 6 electronic steam generator with manual water fill designed for the steam cleaning of semi finished odontotechny products VAP 6A electronic steam generator with direct connection to mains water supply or to an external tank designed for steam cleaning or hot water cleaning of semi finished odontotechny products AD 8 water softener indispensable where the VAP 6A steam generator is connected directly to the mains water supply TABLE OF THE COMPONENTS 6 VAP 6A s as 132of 3288 vap 6A AD 8 Gy Zhermack MAINTENANCE AND USE MANUAL Description of the components VAP 6 VAP 6A 3 2 1 Steam flow adjuster knob Pressure gauge Main switch Element switch Element ON indicator light Water LOW warning light Handle Gun support h
26. ly be supplied with cold drinking water regenerate the water softener use only NaCl acid or base substances such as solvents and various chemical products must not be used The resins contained in the water softener are necessary for proper operation and therefore must not be removed The water softener must be installed in indoor areas with an ambient temperature higher than 0 so as to prevent freezing of the water Install the water softener in a place where it is protected from accidental knocks this prevents damage to the cover valves and taps To prevent damage to the water infeed pump make sure that water pressure does not exceed 3 4 bar It is advisable to use a pressure reducer calibrated between 1 and 2 bar If the VAP 6A steam generator is to be used without connecting it directly to the mains water supply i e where the water softener is no longer necessary a water intake recipient filled exclusively with distilled water must be used Wear protective gloves and eye goggles when using the steam generator Personnel using the steam generator must wear protective eye goggles No other persons must be allowed near the work area as they could be hit by flying dirt dust or steam how small use only powder type extinguishers Never attempt to put out an electrical fire with water Zhermack S p A cannot be held liable for any damage to persons or objects caused by incorrect maintenance carried out by unqua
27. nnecting check that mains voltage and frequency are as indicated on the identification plate incorrect power supply voltage may damage the equipment that the mains supply has a proper efficient earth connection It is forbidden to tamper with the power lead and its plug When replacing them owing to damage and or wear please contact an Authorised Service Centre use an extension lead the latter must comply with the standards force the A proper earth connection is compulsory Should it temporarily be necessary to i country of use vap 6 vap 6A AD8 143 of 328 Zhermack TECHNICAL CEN MAINTENANCE AND USE MANUAL FIRST TIME USE VAP 6 Fig 5 Place the steam generator on the work bench see section 6 3 1 Th W Connect the lead to the power mains ensure that connection is effected as per the instructions given in section 6 4 Fig 6 Unscrew the water filler plug 13 and fill the boiler with water If it overflows clean the steam generator thoroughly then screw the plug back on To prevent limescale build up which ec might damage the steam generator we recommend that you use distilled water Figure 6 Fig 7 Press the main switch 3 the LED on the switch come on Figure 7 Failure to observe any of the above installation instructions may lead to malfunctions and render the warranty null and void 140328 ap 6 vap 6A AD 8 ZhermacK MAINTENAN
28. nnel safety the quality of the work and proper maintenance This zone must not only be spacious enough to allow for optimum equipment operation but must also be well illuminated aired not dusty and not exposed to direct sunlight Note also that the unit must be positioned so the connection plug can be handled manipulated with ease 7 142013287 vap 6 vap 6A AD 8 ZhermacK MAINTENANCE AND USE MANUAL CEN TECHNICAL Worktops 6 3 1 The VAP 6 VAP 6A steam generators has been designed for operation on a rigid worktop parallel to the floor Suitable worktops include service furniture where the operator is standing or modelling tables where work is done sitting down All worktops must be checked for stability Install the AD 8 water softener where applicable in a place where ambient temperature is higher than 0 so as to stop the water in it freezing the installation site should also protect the softener against accidental knocks and be perfectly horizontal CONNECTING UP TO THE POWER SUPPLY The user must provide a power connection with relative socket near the equipment installation point The user must also install an adequate electrical circuit breaker upstream from the socket as well as efficacious overload indirect contact safety devices Connection is effected via the safety plug 16A in compliance with European standards at the end of the power lead this must be inserted in the mains socket When co
29. numbering in the Components Table Ch 3 PERMITTED AMBIENT CONDITIONS Unless stated otherwise at the time of order the equipment will be configured to operate properly under the following ambient conditions Place of Use Indoors Altitude Up to 2000 m Working temperature From 5 C to 40 C Humidity Max 80 Ambient conditions other than those listed above may cause malfunctions or sudden breakdowns Lighting in the installation area must be sufficient to provide good visibility at every single point on the equipment More specifically luminosity must not be less than 200 lux lighting must be as uniform as possible and there must be no reflected light as this could dazzle the operator explosive and or at risk of fire as it has not been designed for use in such areas Nevertheless should a fire accidentally break out follow the procedure described in paragraph 2 4 The equipment must not be used in workplaces having an atmosphere which is Work area lighting is an important factor in both personnel safety and the EJ ultimate quality of the work being done In Italy lighting must comply with a Ministerial Decree Law that clearly defines minimum lighting requirements In other countries lighting requirements form part of the accident prevention and workplace hygiene standards REQUIRED WORK SPACE Choosing a good workplace with an appropriate amount of space available for equipment installation is an essential factor in perso
30. on of the equipment The user must comply with the information given at all times Furthermore the user must use the work sheets enclosed with this manual so as to keep a record of maintenance component replacement work as well as make notes on any equipment malfunctions Before using this equipment or carrying out any work on it the operator must Zhermack S p A authorised maintenance technician Person authorised to carry out work on the equipment under all operating conditions and all safety levels He she is also authorised to carry out any mechanical or electrical repairs adjustments scheduled maintenance and any component replacement work GENERAL SAFETY REGULATIONS The operator must read the advice and warnings given below and comply with such regulations at all times doing so will ensure safe long lasting equipment performance Do not allow untrained personnel to use this equipment Ensure that the work area is properly prepared it must be free from obstacles clean and properly illuminated Take measures to ensure that you are not distracted when using the equipment the event of a malfunction follow the advice given in this manual if you have any doubts shut down the equipment and contact your Authorised Service Centre immediately Never use a malfunctioning equipment and always inform the Maintenance Manager of any faults Do not open compartments containing electrical parts Do not replace th
31. ook 9 Gun trigger 10 Gun 11 Overpressure warning light 12 Gun connection lead e N 6 vap 6A 8 13 14 15 16 17 18 19 20 21 22 23 24 Water filler plug VAP 6 Fuse Power lead Water steam mode selector VAP 6A Water filler connection VAP 6A Anti cavitation valve VAP 6A Working pressure switch Safety pressure switch Water filler solenoid valve VAP 6A Pump reset switch VAP 6A Water filler pump VAP 6A Element 1330f328 Zhermack TECHNICAL CEN MAINTENANCE AND USE MANUAL EEJ TABLE OF THE COMPONENTS AD 8 3 3 1 Description of the components AD 8 25 Open close lid knob 29 Water inlet connector 26 Water outlet connector 30 Valve knob 27 Water outlet hose 31 Water outlet and steam release hose 28 Water inlet hose 134 of 328 vap 6 vap 6A AD 8 ZhermacK MAINTENANCE AND USE MANUAL CEN TECHNICAL DESCRIPTION OF THE AD 8 VALVE DIAL POSITIONS A valve knob 30 is installed on the AD 8 water softener this can be adjusted to four different positions POSITION 1 Fig 1 Used during routine operation POSITION 2 Fig 2 Used during steam release and salt 1 kg loading for softener regeneration Figure 2 POSITION 3 LIT Fig 3 Used during regeneration 27 28 Figure 3 POSITION 4 Fig 4 Used during backflow Figure 4 Vap6 vap6A AD8 185 328
32. please contact properly qualified personnel Fig 13 Connect the other end of the softener hose 27 to the water inlet connector 17 on the steam generator Figure 13 Fig 14 Connect the other end of the softener hose 28 to the mains water supply Make sure water pressure does not gt exceed 3 4 bar it is advisable to fit a pressure reducer calibrated to 1 2 bar Figure 14 Fig 15 If you do not connect up directly to the water mains via the water softener connect one end of the supplied hose to the water inlet connector 17 on the steam generator and insert the other end in a recipient of distilled water Figure 15 146 of 328 vap 6 vap 6A AD 8 ZhermacK MAINTENANCE AND USE MANUAL CEN TECHNICAL Fig 16 Fill the boiler by opening the water inlet tap see figure 14 and open the anti cavitation valve 18 Fig 17 Connect the lead to the power mains ensure that connection is effected as per the instructions given in section 6 4 Press the main switch 3 the LED on the switch come on Fig 18 Switch on pump and element by acting on l Switch 4 the LED on the switch comes on the l water low warning light 6 comes on and the pump starts working Keep open the anti cavitation valve see figure 16 until all the air has exited and water starts to flow out then re close it It is advisable to install a tap between the mains water supply and the
33. ponsible for all costs associated with unsuitable packaging of the product to be returned to the manufacturer Zhermack is not liable for faults malfunctions or damage to the product deriving from or consequent to the use of unsuitable packaging or packaging not of a quality equal to or better than the packaging used for the original shipment modified or tampered with without prior written consent from the Manufacturer Consequently any repairs made by unauthorised personnel use of non original spare parts or failure to comply with the installation standards specified in this manual shall immediately render the Warranty null and void Zhermack S p A cannot as of this moment be held liable if the equipment is i 6 vap 6A 8 129 of 328 Zhermack TECHNICAL EN MAINTENANCE AND USE MANUAL AUTHORIZED PERSONNEL Personnel may be divided into the following categories Operator user Person trained to use the equipment He she may carry out all the tasks needed to operate the equipment these tasks include starting stopping the equipment carrying out routine inspections and any other tasks linked to everyday equipment use The operator user must only use the equipment when it is fully assembled and the safety devices are working properly as described in this manual read the entire contents of this manual This manual has been drawn up to provide the user with essential information on rational safe utilisati
34. ppendices Note Use the manual properly so that it is not damaged in any way Do not remove tear or write on any part of the pages If the manual is lost or damaged and its contents become illegible you can request replacement copy from the Manufacturer The purpose of this Use and Maintenance Manual is to provide users with information on how to operate the equipment properly The manual contains all the information needed to use the device as intended in particular the manual includes instructions and information on the following Correct equipment installation Detailed description of how the equipment works and its components Initial start up Scheduled maintenance Basic Safety and Accident Prevention info This manual contains nine chapters each of which covers a specific argument The appendices at the rear of the manual are a useful complement to these chapters Vap6 vap6A AD8 127 OF 328 Zhermack TECHNICAL EN MAINTENANCE AND USE MANUAL TERMINOLOGY AND SYMBOLS It is important that you understand the following symbols and their significance as they highlight important information such as critical situations practical advice or straightforward information If you have any doubts as to the significance of a symbol always consult this page Tasks for which failure to observe instructions or tampering with equipment parts may put personnel in serious danger are highlighted by the symbo
35. released such product on the market and that such liability is transferred to the user in accordance with Directive 85 374 EEC subsequent amendments and the laws implementing it Badia Polesine 25 02 2014 Vap 6 GA AD8 159 of 328 Zhermack TECHNICAL EN MAINTENANCE AND USE MANUAL WARRANTY CERTIFICATE AND IDENTIFICATION FORM 1 This document certifies that the Manufacturer has built the product correctly using only top quality materials carried out all the necessary tests and that the product complies with EC directives This product Warranty is valid for 12 months as from date of delivery to the customer Proof of such date shall be provided by a purchase document or the completed identification form These documents must be handed over together with the equipment to the Servicing Centre Persons wishing to make use of warranty coverage must make the fault known within eight days of its discovery as per Italian civil code art 1495 Warranty cover is limited to replacement or repair of individual components or pieces with manufacturing defects and does not cover costs related to transfer of technical personnel transport packing etc Breakdowns faults or damages which derive from poor maintenance incorrect power supply negligence inexperience and other causes not imputable to the Manufacturer and parts subject to normal wear are not covered by the Warranty The Warranty does not cover breakdowns caused by failure
36. shing the mobile lock ring all the way down RESTARTING AFTER A LONG PERIOD OF INACTIVITY EYJ Should the equipment need to be restarted after a particularly long period of inactivity proceed as described in Chapter 6 First time Use If there are any faults or malfunctions proceed as described in Chapter 9 Troubleshooting If the problem persists or is not covered by the information in this chapter contact your Authorised Servicing Centre immediately REQUESTING TECHNICAL ASSISTANCE To obtain technical assistance choose one of the following options 1 contact your Authorised Servicing Centre 2 telephone the Zhermack S p A Customer Assistance Service on the number 39 0425 597 611 and proceed as follows give personal data e g address and telephone n state the information on the equipment ID plate see paragraph 3 5 and explain the problem clearly 3 fax all the above information and a properly filled out ID Form see Appendix A 3 to 39 0425 53 596 Vap6 vap6A AD8 04 155 OF 328 endi aid CEN MAINTENANCE AND USE MANUAL CHAPTER 9 TROUBLESHOOTING WARNING Should any of the anomalies described below occur try setting the situation right as far as is permissible by following the instructions contained in this Manual Should the problem persist contact your Authorised Servicing Centre PROBLEMS CAUSES AND REMEDIES PROBLEM CAUSE REMEDY After switching on t
37. t to use the steam generator for E some time see section 8 3 1 Failure to observe any of the above installation instructions may lead to AN malfunctions and render the warranty null and void RESIDUAL RISK Residual risk is a danger that cannot be completely eliminated through design and application of safety devices potential danger which cannot be highlighted The steam generator produces steam or hot water and therefore works at temperatures of over 100 the residual risks are thus associated with the following situations connected to its support could cause burns Allowing work to be carried out on the interior of the machine by unauthorised personnel or carrying out such work with the plug inserted in the mains socket Steam jets exiting an accidentally triggered gun that has not been properly Servicing Centre The steam generator where the user fails to observe the instructions contained in this manual is a potential source of explosion or fire Should you have any doubts whatsoever always contact the Manufacturer or an Authorised Service Centre To prevent accidents always observe the instructions in this Manual Should you have any doubts at all please contact the Manufacturer or your Authorised The above mentioned dangers are indicated by special labels attached to the equipment as described in sub section 3 5 1 015201322807 vap A AD 8 ZhermacK MAINTENANCE AND USE MANUAL CEN
38. tive and subsequent amendments EC Directive 1997 23 Pressurised equipment Please note that the manufacturer s liability for damages caused by a defective product expires 10 years from the date on which the manufacturer released such product on the market and that such liability is transferred to the user in accordance with Directive 85 374 EEC subsequent amendments and the laws implementing it Badia Polesine 25 02 2014 Paolo Ambr General Mghager 158 of 328 vap 6 vap 6A AD 8 ZhermacK MAINTENANCE AND USE MANUAL CEN TECHNICAL CE DECLARATION OF CONFORMITY Fl The Manufacturer Zhermack S p A Via Bovazecchino 100 45021 Badia Polesine RO Italy Tel 39 0425 597 611 Fax 39 0425 53 596 Person authorised to compile the technical file Zhermack S p A Via Bovazecchino 100 45021 Badia Polesine RO Italy Tel 39 0425 597 611 Fax 39 0425 53 596 declares under its sole responsibility that the product AD8 is in conformity with Directive 2011 65 EU of the European Parliament and of the Council of 8 June 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment It is also in conformity with the laws implementing the following directives EC Directive 2001 95 EC Directive 1992 59 EC Directive 85 374 Please note that the manufacturer s liability for damages caused by a defective product expires 10 years from the date on which the manufacturer
39. us mains connection rated mains voltage incorrect or failure to install proper protection devices d the serial number has been removed cancelled out or altered 7 Any components to be replaced under the terms of the Warranty shall be sent back to Zhermack S p A which shall then send the appropriate spare parts Should the changed part not be replaced it shall be charged to the person who ordered it 8 The Manufacturer and the Dental Deposit are not required to provide replacement equipments while repairs are carried out 9 Spare parts shall for tax purposes only be provided under warranty where the relevant limitations set out in the terms and conditions of the warranty are observed 10 For any other eventuality not provided for by this Warranty Certificate and the regulations consult the Italian Civil Code 11 Labour travel and call out invoices must be paid for on their receipt 12 The manufacturer and the dealer shall comply with all data processing laws including proper observance of data security standards in compliance with the specifications given in the data processing information sheet IDENTIFICATION FORM EQuiPMENT MODEL EQUIPMENT SERIAL NUMBER E ee Im Sen Rp a ee j x E s B 160 of 328 6 6A AD 8 MAINTENANCE AND USE MANUAL D ZhermacK MAINTE
40. utflow as desired by acting on the knob 1 rotate anticlockwise to increase flow and clockwise to decrease When the steam starts flowing out of the gun the pressure in the boiler drops and the element ON indicator light 5 comes back on For the VAP 6A 4 Switch on pump and element by acting on switch 4 the LED on the switch comes on the water low warning light 6 comes on and the pump starts working 5 When the water level in the boiler reaches the minimum level the indicator light 6 goes out and at the same time the element ON indicator light 5 comes on and stays on until pressure reaches 6 bar 6 Select the work mode by acting on switch 16 7 Press the trigger button 9 on the gun and the water or steam will exit the gun nozzle Adjust steam outflow as desired by acting on the knob 1 rotate anticlockwise to increase flow and clockwise to decrease Once steam starts flowing out of the gun the pressure in the boiler drops and the element ON indicator light 5 comes back on 6 vap 6A 8 1510f328 Zhermack tecnica a EN MAINTENANCE AND USE MANUAL The steam generator can however be used before the element ON indicator EJ light goes out in this case though the pressure displayed on the gauge will be below 6 bar If you are in possession of a VAP 6A note that it is inadvisable to use the E water function for prolonged periods of time Always empty the boiler if you do not expec
41. water inlet hose of the softener so that the water flow can be closed off if necessary Position the container at the same height as the steam generator Always add a glass of natural water to the container and check that the lt latter does not run dry so as to prevent the pump aspirating air Failure to observe any of the above installation instructions may lead to malfunctions and render the warranty null and void AN Vap6 vap6A AD8 147 0328 Zhermack tecnica a EN MAINTENANCE AND USE MANUAL 6 6 1 Filling the boiler with water 6 The first time the VAP 6 steam generator is switched on or when the water in the boiler is running out the water low warning light 6 comes on simultaneously the element is switched off thus causing the element on indicator light 5 to go out The element will remain off until the boiler is refilled To fill the boiler with water proceed as follows Switch off the element via the main switch 4 release the steam in the boiler by pressing the gun trigger 9 unscrew slowly and cautiously the plug 13 so as to release any residual steam in the boiler fill the boiler with water replace the plug and tighten it securely 13 turn the element switch 4 to ON To prevent temperature imbalance do not use cold water when filling a 39 boiler that is still hot 6 6 2 Regenerating the AD 8 water softener To regenerate the AD 8 water softener proceed as follows
42. y the Manufacturer prior to shipment When you receive the goods make sure they have not been damaged during transit and that no one has tampered with the packaging and removed any of the parts contained therein Should you note any damage or missing parts please inform your Dealer and the shipping carrier immediately take photographs and send them on to both dealer and carrier The packaging consisting of a cardboard box with internal expanded plastic padding contains the VAP 6 or VAP 6A electronic steam generator and or the AD 8 water softener the accessories see section 4 2 1 this Use and Maintenance Manual guarantee period You will need the packaging if the product has to be returned to the Service Centre for repairs or replacement in the event of manufacturing defects or malfunction with the exception of wilful damage negligence failure to perform routine maintenance or damage during transport If you are not in possession of the original packaging contact Zhermack S p A and ask for instructions possible repackaging costs will be charged on delivery The customer is responsible for all costs associated with unsuitable packaging of the product to be returned to the manufacturer Zhermack is not liable for faults malfunctions or damage to the product deriving from or consequent to the use of unsuitable packaging or packaging not of a quality equal to or better than the packaging used for the original shipment IMP
Download Pdf Manuals
Related Search
Related Contents
1 - Accueil thèses Massive Wall light 56281/48/10 取扱説明書 2011年 8月 Manuale IL640 Les conventions d`engagement volontaire Livret de santé bilingue (français/chinois) Copyright © All rights reserved.
Failed to retrieve file