SERVICE MANUAL
Contents
1. memmenk s Experts in Thermostatics IPP 200 500 Cooled incubator with Peltier technology HPP 108 Constant Climate Chamber with humidification Contents 1 About this guide 4 1 1 Purpose and target group 4 1 2 Related documents 4 1 3 Tools needed 4 1 4 Manufacturer address and customer service 4 2 Safety regulations 5 3 Finding Errors and Error Messages 6 4 Overview 8 4 1 Construction 8 4 2 Control unit 10 5 Removing covers 11 5 1 Removing top panel 11 5 2 Removing the rear panel 12 6 Mainboard 13 6 1 Check switching function of mainboard 13 6 2 Replace fuses 14 6 3 Replace mainboard 14 7 Replacing the switched mode power supply 15 8 Replace main switch module with the push turn control 16 9 Replace controller 17 10 Replace Pt100 temperature sensor 18 11 Replacing the chamber fan 19 12 Removing the fan from the rear panel 21 13 Replacing a Peltier cooling heating module 23 Service IPP 200 500 HPP 108 10 2008 memmerl 14 Adjusting and removing inner door 14 1 Adjusting inner door 14 2 Removing the inner door 15 Installing removing and adjusting door 15 1 Removing the door 15 2 Installing the door 15 3 Adjusting the door 15 4 Removing and installing the door lock 16 Replacing seals 16 1 Replacing door seal 16 2 Replacing the chamber seal and the cage seal 17 Replacing the interface module 18 Humidification and or dehumidification does2. Remove the cover plate 5 Pull off the plug in connections of the Peltier module in the control unit and pull down the cable through the floor of the control unit Pull out the Peltier module towards the front 6 Insert a new Peltier module from the front and screw it tight from the back 1 Guide the connection cable of the new Peltier module up wards through the floor of the control unit and into the unit and connect it Screw the cover plate 5 in the interior of the appliance back on Remount the rear wall of the casing 3 Put the cover of the Peltier module 2 back on Re attach the top panel see page 11 Reconnect the mains plug Subject the appliance to a function test If the fault should persist or if it works incorrectly contact the manufacturer Spare part Spare part number IPP 200 300 E04002 odar Os IPP 400 03986 Peltier module IPP 500 HPP 108 E04641 IPP 200 300 E03973 IPP 400 500 Type Supercool E03972 Peltier module IPP 400 500 Type R bsamen amp Herr E05231 HPP 108 E03972 Service IPP 200 500 HPP 108 10 2008 23 memmert Fig 13 Replacing a Peltier module actual view may differ from this representation depending on the appliance model 1 Retaining nuts of the Peltier module 2 Casing cover of the Peltier module 3 Rear panel of casing 4 Mounting bolts of the cover plate 5 Cover plate 6 Peltier module Fig 14 Cable feed through of t
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4. IPP 500 HPP 108 all B00408 B00430 B00432 B00444 B03749 B00995 B02600 B02419 B02603 B02420 B02421 B02720 29 memmert 16 Replacing seals 16 1 Replacing door seal 1 Remove locking cover 2 see page 28 2 Lift up door panel 4 and remove old seal 3 3 Cut out the new door seal at the ends using the old one as a template and push onto the door panel 4 Insert the door panel and press on 5 Re attach the lock cover 2 3 4 3 1 Fig 21 Replacing the door seal cross section 1 Screw 2 Lock cover 3 Door seal 4 Door panel 16 2 Replacing the chamber seal and the cage seal The appliance has two seals gt Chamber seal Cage seal The seal can be pulled out after the door is opened and the new seal be pushed into place Push in the pre cut length of seal into the space without stretch ing it and cut off the end if necessary Fig 22 Replacing the chamber and cage seals 1 Chamber seal 2 Cage seal 3 Seal cross section 30 Service IPP 200 500 HPP 108 10 2008 memmert IPP 200 Z00691 IPP 300 Z00692 Door seal IPP 400 Z00693 IPP 500 HPP 108 Z00694 IPP 200 Z00713 IPP 300 Z00714 Cage seal IPP 400 Z00715 IPP 500 HPP 108 Z00716 IPP 200 Z00699 IPP 300 Z00700 Chamber seal IPP 400 Z00701 IPP 500 HPP 108 Z00702 Service IPP 200 500 HPP 108 10 2008 31 memmert 17 Replacing the interface module Disconnect the mains plug 2
5. Remove the top panel see page 11 3 Pull off the plug on the USB interface module or Ethernet module depending on the appliance fittings on the rear cas ing panel 1 4 Undo 2 screws at top and bottom with which the module is attached to the rear wall 2 remove module 5 Insert anew module and screw tight 6 Connect the plug 7 Re attach the casing lid k j f Fig 23 Replacing the interface module 1 Plug 2 Screw connection USB interface module B04118 Ethernet module B04121 32 Service IPP 200 500 HPP 108 10 2008 memmert 18 Humidification and or dehumidification does not work properly only for constant climate chambers HPP 108 If humidification or dehumidification does not work properly for HPP 108 constant climate chambers see also operating instruc tions there may be several different causes It is described below how the fault can be determined and what needs to be done to remedy this First check whether an error message of the control module for humidification dehumidification is displayed at the front of the appliance see operating instructions If this is the case the con trol module must be replaced see page 39 If this is not the case check whether an error message from the humidity sensor is displayed If this is the case the humidity sen sor must be replaced see page 40 If no error message is displayed proceed as follows 18 1 Humidification is no
6. see also page 17 Sensor for operating controller 4 pin controller slot J4 Sensor for monitoring controller 4 pin controller slot J3 Put the top panel back on connect the mains plug Subject the appliance to a function test If the fault should persist if it works incorrectly contact the manufacturer Fig 10 Replace temperature sensor see also control unit overview on page 10 Temperature sensor for operating controller Temperature sensor for monitoring sensor Clamp Feed through through the control unit floor chamber ceiling Cable connection to the controller in the control unit OBWN gt Pt100 temperature sensor E04822 Service IPP 200 500 HPP 108 10 2008 11 10 11 memmerl Replacing the chamber fan Disconnect the mains plug Remove the top panel see page 11 Undo the screws of the fan cover 1 remove the fan cover 2 Remove the plug connector of the chamber fan from the switched mode power supply see page 10 Undo the screws of the chamber fan 3 Remove the chamber fan 4 from the heat sink of the Peltier module 5 Place a new fan on the heat sink of the Peltier module and screw it in Connect the plug connector of the fan to the switched mode power supply in the control unit Position the fan cover and screw it down Re attach the top panel Reconnect the mains plug Subject the appliance to a func tion test If the fault should persist or if it works in
7. 2 Replace the dehumidification power supply unit 1 2 3 Disconnect the mains plug Remove the top panel see page 11 Pull off all the plugs from the dehumidification power supply unit 1 Undo the screw connection 2 for the ground plate on the connection side of the power supply unit 2 screws Pull the power supply unit horizontally away in the direction of the arrow from the third screw on the opposite side 3 and remove Push in new power suppy unit underneath the remaining screw and screw tight on the connection side Reconnect the plug connectors Re attach the top panel Reconnect the mains plug Check that the dehumidification is now working properly If this is not the case contact the manufacturer Fig 29 Replace the power supply unit for dehumidification 1 2 3 Undo the plug Undo the screws on the bottom plate 2 screws Pull away power supply unit to the side Dehumidification power supply unit E05400 38 Service IPP 200 500 HPP 108 10 2008 memmert 18 3 Replace control module 1 2 3 4 u Disconnect the mains plug Remove the top panel see page 11 Undo all plug connectors on the control module 1 Undo the screws of the control module 2 4 screws and remove the control module Screw in a new control module Reconnect the plug connections The number of the respec tive slot is marked on the cables Re attach the top panel Reconnec
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9. left unattended until it has reached the steady state If the fault or malfunction cannot be rectified by the repair work Contact the manufacturer Service IPP 200 500 HPP 108 10 2008 5 memmert 3 Finding Errors and Error Messages Error description Cause of error Rectifying errors Fuse 100 mA 200 mA 115 V faulty Appliance fuse 15 A faulty Controller display does not light up Mainboard faulty Temperature cannot be Appliance locked by UserID card adjusted and appliance can in general not be operated with the push turn control Push turn control faulty cooling fan faulty switched mode power supply faulty Cooling fan on rear wall does not turn cooling fan faulty switched mode power supply faulty Cooling fan in interior does not turn Check fuse replace if 14 necessary Check fuse replace if 14 necessary Replace mainboard 13 Undo lock with UserID card Replace main switch module 16 with push turn control replace cooling fan 21 replace switched mode 15 power supply replace cooling fan 19 replace switched mode 15 power supply Red LED on the mainboard does not light up When changing from heating to cooling the red LED on the mainboard does not go out switched mode power supply faulty contact element MOSFET faulty switched mode power supply faulty contact element MOSFET faulty When switching from heating to cooling the relay does not swit
10. not work properly 18 1 Humidification is not working properly 18 1 1 working properly 18 2 1 19 Circuit diagrams 19 1 Legend 19 2 IPP 200 300 400 19 3 IPP 500 19 4 HPP 108 Replac steam generator 18 1 2 Replacing the pump 18 2 Dehumidification is not Replace fan and dehumidi fication Peltier module 18 2 2 Replace the dehumidi fication power supply unit 18 3 Replace control module 18 4 Replacing the humidity sensor 25 25 25 26 26 26 27 28 30 30 30 33 33 35 36 36 37 38 39 40 42 42 43 44 45 memmert 1 About this guide 1 1 Purpose and target group This guide describes the service and repair work available for cooling incubators of types IPP 200 500 and constant climate chambers of type HPP 108 It is intended exclusively for use by electrical technicians who are familiar with safety regulations for electrical engineering 1 2 Related documents Apart from this service guide the information and regulations in the user manual for the respective appliance must also be ob served for all service and repair work Please refer to the circuit diagrams at the end of this guide for all work on the electrical system 1 3 Tools needed The following tools and equipment are required to perform the work described in this guide gt Torx screwdriver sizes 8 and 10 Phillips screwdriver size 1 Wire cutting pliers Flat pliers to remove the connection cable Allen key 2 mm f
11. 10 Cover of dehumidification Peltier module 37 11 Cover of right hand Peltier heating cooling module 21 only for types IPP 500 and HPP 108 types IPP 200 400 have just one interior fan and one Peltier heating cooling module on the rear side only for constant climate chambers HPP 108 Service IPP 200 500 HPP 108 10 2008 9 memmert 4 2 Control unit see also circuit diagrams from page 42 The control unit can be reached after the top panel has been removed see page 11 Fig 3 Control unit IPP 500 HPP 108 Main connection terminal Mainboard see page 13 Controller see page 17 Chipcard reader Main switch see page 16 Feed through for temperature sensor Pt100 see page 18 Switched mode power supply ies see page 15 NOUBWN Only for HPP 108 8 Pump for humidification see page 36 9 Control module for humidification page 39 10 Power supply unit for humidification page 38 10 Service IPP 200 500 HPP 108 10 2008 memmert 5 Removing covers For some service work it is necessary to remove case panels top side rear panels How these panels are removed is described below What panel s need s to be removed for the respective service work is described in the relevant chapter 5 1 Removing top panel Removing the side panels Put the covers back on mie Danger After removing the top panel voltage carrying parts in the control unit may be exposed if the mains plu
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13. Inset a hard paper disk on the lower door hinge between the eccentric tappet 3 and door 5 3 Insert the door When doing this make sure that the adjuster cam of the eccentric tappet 3 is pointing forwards 1a 4 Put screws back in 4 and tighten up Fig 16 Installing removing door 1 2 3 4 5 26 Eccentric socket 1a Eccentric tappet moved fowards factory settings for door 1b Eccentric tappet moved to the right Doors are therefore also adjusted to the right Allen set screw Eccentric tappet Screws Door Service IPP 200 500 HPP 108 10 2008 memmert 15 3 Adjusting the door 1 Undo mounting bolts 2 at the top and bottom of door 2 The top section of the door hinge 1 can now be moved slightly in the direction of the arrow 3 After undoing the Allen set screw 5 the door can be adjust ed by turning the eccentric tappet 3 with a screwdriver The Allen set screw 5 is fixed with lock washer varnish It can be undone with a jolting motion using a 2 mm Allen key 4 Apply lock washer varnish to the Allen set screw 5 and screw it tight 5 Tighten the mounting bolts 2 Fig 17 Adjusting the door 1 Upper section of the door hinge 2 Mounting bolts 3 Eccentric tappet 4 Eccentric socket 5 Allen set screw The locking plate 7 can also be adjusted in the direction of the arrows after undoing the screws Afterwards screw the locking plate back fi
14. ch over Green LED on the mainboard does not light Relay faulty switched mode power supply faulty contact element MOSFET faulty replace switched mode 15 power supply replace switched mode 5 power supply Replace mainboard 13 replace switched mode 15 power supply up Monitoring controller has switched off heater since temperature difference between operating and monitoring controller is too small Caution icon A is flashing a Increase temperature difference between monitoring temperature and working temperature Replace Pt100 temperature sensor of monitoring 18 controller if necessary Service IPP 200 500 HPP 108 10 2008 Cause of error Error description Error message E 3 alternates with display of temperature Pt100 temperature sensor of monitoring controller faulty Monitoring controller is working in emergency mode with the temperature value of the Pt100 temperature sensor from the operating controller Error message E 0 Serious configuration error e g incorrect cabinet type or wrong temperature range Error message CONF is displayed for only 10 sec after switching on Checksum error error when saving set values e g air turbine speed Communication with the mainboard interrupted Error message E L1 in the timer display Error message E 3 alternates with display of monitor Pt100 temperature sensor of controller is working in emergency mode wi
15. correctly contact the manufacturer Fig 11 Replacing the chamber fan OBWNS Screws for the fan cover Screws for the fan Heat sink for the Peltier module Service IPP 200 500 HPP 108 10 2008 19 memmert Chamber fan IP54 all B04004 IPP 200 300 E03995 IPP 400 E03994 Fan cover IPP 500 E04656 left E05401 HPP 108 right E05402 20 Service IPP 200 500 HPP 108 10 2008 memmert 12 Removing the fan from the rear panel Depending on the appliance model there may be up to three U fans on the rear panel one IPP 200 400 or two IPP 500 HPP fans for heating cooling one fan for dehumidification only for HPP How to replace this is described on page 37 The descrip tion on this page refers to the removal of the fan s for heating cooling see also overview diagram on page 8 Disconnect the mains plug Remove the top panel see page 11 Remove the cover of the Peltier module 1 Undo the mounting bolts of the fan 2 Remove the fan cover grid 3 Pull off the plug connector of the fan in the control unit Remove the fan 4 from the heat sink of the Peltier module 5 8 Screw on a new fan 4 with cover grid 3 to the heat sink of the Peltier module 5 9 Connectthe plug connector of the fan in the control unit 10 Remove the cover of the Peltier module 1 11 Put the top panel back on and connect the mains plug 12 Subject the appliance to a function test and check the fan to
16. f the dehumidification Peltier module and of the steam generator in the centre 2 Pull rear panel upwards out of the appliance 3 Make sure that the rear panel does not jam when doing this Fig 5 Removing the rear panel 1 2 3 Unscrew the cover grid of the Peltier module s Unscrew the cover grid of the dehumidification Peltier module and of the steam generator only for the HPP 108 Pull out the rear panel of the casing upwards Insert the rear panel carefully from above into the guide rails and push downwards until it slots into place Make sure that the rear panel does not bend when doing this Screw on the grid covers of the Peltier modules on the right and left 1 In addition for the constant climate chambers HPP 108 Screw on the cover grid of the dehumidification Peltier mod ule and of the steam generator in the centre 2 Service IPP 200 500 HPP 108 10 2008 memmert 6 Mainboard Fig 6 Mainboard see also control unit overview on page 10 Heat up LED red cool down LED green S 30 fan Screw Spacer bolt S 28 controller display Appliance fuse Fuse for controller display Main connection terminal power supply ONAN Pwm 6 1 Check switching function of mainboard Remove the top panel to do this see page 11 The actual status of the actuator can be checked via the red and green LED 1 on the mainboard gt red LED heating P green LED cooli
17. g has not been disconnected Do not reach inside the control unit If you want to examine or replace the components inside disconnect the mains plug first 1 Undo the 4 screws to the left and right on the rear side of the appliance holding down the top panel 1 2 Slightly raise the panel and pull it out backwards 2 Fig 4 Removing the top and side panels You can now also remove the left and or right side panel They are not screwed down and can simply be pulled out by pulling upwards 3 Make sure when doing this that they do not jam and disconnect the PE conductor connection Insert side panels carefully from above into the guide rails and push downwards until they slot into place Make sure that the side panels do not jam when doing this Reconnect the PE con ductor Put on the top panel and push forwards into the support Insert the screws with retaining washers into the openings in the rear panel and screw down the top panel 1 The retaining washers are necessary to create a safe PE conductor connection with the top panel Service IPP 200 500 HPP 108 10 2008 11 memmert 5 2 Removing the rear panel Put the rear panel back on Disconnect the mains plug Remove the top panel see page 11 Unscrew the cover grid of the Peltier module IPP 200 400 or of the two Peltier modules IPP 500 HPP 108 on the rear side 1 In addition for the constant climate chamber HPP 108 Un screw the cover grid o
18. he Peltier module 1 Connection cable 2 Plastic wedge 3 Foam ring cable seal 24 Service IPP 200 500 HPP 108 10 2008 memmert 14 Adjusting and removing inner door 14 1 Adjusting inner door 1 Loosen screws 1 do not remove screws completely as oth erwise the mounting block inside will fall out 2 Check the screw 2 in the hinge and tighten if necessary 3 Adjust the inner door 4 and tighten screws 1 again fa mounting block has fallen out you can reach it by pulling out the side section and then mount it again 14 2 Removing the inner door Undo the screw 2 counter with open end wrench tilt glass door forwards and lift out from lower hinge Fig 15 Adjusting removing inner door 1 2 3 4 5 Screws Screw Inner door hinge Inner door Outer door open Spare part Spare part number IPP 200 B03395 IPP 300 B03396 Inner door IPP 400 B03397 IPP 500 HPP 108 B03398 Inner door hinge top all B02902 Inner door hinge bottom all B02903 Service IPP 200 500 HPP 108 10 2008 25 memmert 15 Installing removing and adjusting door 15 1 Removing the door 1 Open door 180SDgr and undo screws 4 at the two eccentric sockets 1 at the top and bottom 2 Pull out door 5 horizontally in the direction of the arrow 15 2 Installing the door 1 Grease the moving parts of the door hinges with thin silicone grease see also operating instructions Maintenance 2
19. ive controller slots Push the push turn control back on Put the top panel back on connect the mains plug Subject the appliance to a function test If it should still work incorrectly contact the manufacturer 1 PP s00 R507 0070 J13 2 J4 J3 J11 3 3 4 3 J2 J9 2 J8 RR mw Fig 9 Replace controller see also control unit overview on page 10 Controller RS 232 Controller RS 485 IPP 200 300 400 B04279 IPP 500 HPP 108 B04281 IPP 200 300 400 B04280 IPP 500 HPP 108 B04282 Service IPP 200 500 HPP 108 10 2008 17 memmert 10 Replace Pt100 temperature sensor 1 2 3 Disconnect the mains plug Remove the top panel see page 11 Push the temperature sensor on the ceiling of the chamber 1 2 carefully to the rear and out of the clamp 3 and thread upwards through the feed through in the control unit floor 4 In the control unit pull off the plug of the sensor from the controller see also page 17 Sensor for operating controller 4 pin controller slot J4 Sensor for monitoring controller 4 pin controller slot J3 Cut through cable tie with wire cutting pliers and remove Pt100 sensor with cables Thread in new sensor downwards from the control unit into the climate chamber Carefully push sensor into the clamp Make sure that it is properly mounted Insert the sensor in the clamp so that it is straight In the control unit connect the cable of the sensor on the controller
20. module in the control unit Re attach the side rear and top panels Reconnect the mains plug Check that the humidification and dehumidification is now working properly If this is not the case contact the manufac turer Service IPP 200 500 HPP 108 10 2008 memmert Fig 31 Replacing the humidity sensor 1 Humidity sensor in the insulation material on the rear panel of the appliance 2 Connection cable in the control unit 3 Allen set screw 4 Undo the Allen set screw with the 1 5 mm Allen key through the opening in the insulation material on the side wall 5 Pull the humidity sensor out and upwards through the opening in the floor of the control unit Humidity sensor E05249 Service IPP 200 500 HPP 108 10 2008 41 memmert 19 Circuit diagrams 19 1 Legend Legend for circuit diagrams on the following pages drawing B1 Temperature sensor Pt100 B2 Temperature sensor Pt100 J15 Sensor board for angular sensor 55161 B N1 Temperature controller 55161 N2 Mainboard 55162 N5 Chipcard reader N7 N9 Switched mode power supply SP 200 24 V 200 W N8 N10 Peltier module with fan motors IPP 200 300 M 064 24 12 12 ME IPP 400 500 M 081 24 12 00 ME S1 Main switch X1 SUB D 9 pin RS 232 RS 485 X2 SUB D 25 pin printer 42 Service IPP 200 500 HPP 108 10 2008 n SBunuyaieZ 0 DuipjoooD eowep Ajayos yobu essppizinuos AOEZ AGLI JN 8 D499 q0 YODqOMYDS 9Z116 0
21. move the top panel see page 11 2 Check that all plugs in the control unit are connected 3 Check that the fuse for the control module is OK see page 34 If not replace the fuse 4 Check that the green LED on the power supply unit lights up for dehumidification see page 34 If not Replace the power supply unit see page 38 5 If no errors can be found either in the fan or the control module or power supply unit the dehumidification Peltier module with the fan must be replaced see next chapter 18 2 1 Replace fan and dehumidification Peltier module Disconnect the mains plug Remove the top and rear panels see pages 11 and 12 Undo the plug connector of the fan 1 Undo the screw connection of the fan at the top and the bot tom 2 Pull out the fan with the Peltier module to the rear 6 Insert a new fan with Peltier module and screw it tight at the top and the bottom 7 Connect the plug connector of the fan 8 Mount all three cover grids on the rear side of the appliance Re attach the rear and top panels 9 Reconnect the mains plug 10 Check that the dehumidification is now working properly If this is not the case contact the manufacturer flew ul Fig 28 Replace the dehumidification Peltier module with fan 1 Plug connection 2 Screw connections at the top and bottom 2 screws Dehumidification Peltier module E05394 Service IPP 200 500 HPP 108 10 2008 37 memmert 18 2
22. ng Note The heating and cooling icon in the display shows only the cur rent controller actuating variable and not the actual status of the MOSFET actuator In order to protect the Peltier element from the demands made by sudden changes in temperature every change in performance takes place smoothly i e a sudden change in the set value from heating to cooling causes a slow and smooth polarity reversal of the Peltier element Service IPP 200 500 HPP 108 10 2008 13 memmert 6 2 Replace fuses The fuses for controller display and appliance protection are lo cated on the mainboard see page13 1 2 3 Disconnect the mains plug Remove the top panel see page 11 Measure the fuse resistance with a continuity tester If the fuse is in order the resistance should only be a few Ohms To replace the fuse push an insulated flat screwdriver be neath the side of the fuse and lever it out of the mounting bracket Press the new fuse into the mounting bracket from above Appliance fuse 15 A quick blow 32 x 6 3 mm American Fuse for controller display 100 mA slow blowing 20x5 mm 200 mA slow blowing 20x5 mm 115V Spare part Spare part number Appliance fuse 15 A E02387 100 mA 230 V E02497 Fuse for controller display 200 mA 115 V E01007 6 3 Replace mainboard 1 2 3 Disconnect the mains plug Remove the top panel see page 11 Pull off all cables from the mainboard Label unmarked cables with adhe
23. or door hinge 1 5 mm for humidity sensor for HPP 108 gt Multimeter with voltage and resistance measuring range P Cable ties P Adhesive tape to label cables and components vvwvwN 1 4 Manufacturer address and customer service MEMMERT GmbH Co KG Postfach 17 20 91107 Schwabach Germany AuBere Rittersbacherstr 38 91126 Schwabach Germany Phone 49 0 09122 925 0 Fax 49 0 09122 14585 E mail sales memmert com Internet www memmert com Customer Service Phone 49 0 09122 925 128 and 49 0 09122 925 126 E mail service memmert com For service enquiries please always specify the appliance number on the nameplate 2008 Memmert GmbH Co KG Date 10 2008 We reserve the right to make changes 4 Service IPP 200 500 HPP 108 10 2008 memmert 2 Safety regulations Danger After removing covers voltage carrying parts may be exposed if the mains plug has not been disconnected Any work that involves opening the appliance may only be performed by trained electricians who are familiar with the safety regulations for electrical engineer ing Caution When dismantling the appliance you could be injured on sharp unprocessed metal edges You should wear gloves Please also observe the safety regulations in the operating instructions for the respective appliance After all maintenance or repair work the appliance must be sub ject to a function test The appliance must not be
24. rmly Fig 18 Adjusting the locking plate 6 Screw 7 Locking plate Service IPP 200 500 HPP 108 10 2008 27 memmert 15 4 Removing and installing the door lock 28 1 a dw Undo screws 6 Remove the lock cover 5 Screw off the door panel 2 and lift up Pull off the door handle lid 1 Pull off the circlip 2 sideways and remove the door handle 3 Undo the guide screw 4 and remove the circlips 10 and coil springs 12 Pull out the axles 11 sideways and push the locking pins 7 outwards Remove the door lock mechanism 6 8 9 Fig 19 Removing the door lock au gt PN Door Door panel Door seal Locking mechanism Lock cover Screws Service IPP 200 500 HPP 108 10 2008 memmert x 8 9 1011 Fig 20 Locking mechanism Circlip large Door handle Guide screw Sleeve Locking bracket Locking pin Locking bolt OANA 1 Q N gt e Circlip small Axles Tension spring bai paai N Door handle cover Locking arm brass o 2 lt p lt S O o 0 a ES 0 12 Door Door eccentric tappet IPP 200 IPP 300 IPP 400 IPP 500 HPP 108 all Door handle complete without locking pins all Door lock complete without locking pins Door lock complete with locking pins Locking plate Service IPP 200 500 HPP 108 10 2008 all IPP 200 IPP 300 IPP 400
25. see that it works If the fault should persist or if it works incorrectly contact the manufacturer mO Oy D po NEC Service IPP 200 500 HPP 108 10 2008 21 memmert Fig 12 Remove the fan from the rear panel actual view may differ from this representation depending on the appliance type Cover of the Peltier module Screws for the fan Fan cover grid Fan Heat sink for the Peltier module Rear panel IPP 200 300 B04002 IPP 400 500 HPP108 B04423 aaVUPRWwmN Cooling fan 120 mm 22 Service IPP 200 500 HPP 108 10 2008 memmert 13 Replacing a Peltier cooling heating module Depending on the appliance model there may be up to three 1 Peltier modules on the rear panel one IPP 200 400 or two IPP 500 HPP modules for heating cooling one for dehumidification only for HPP Replacing it is described on page 37 The descrip tion on this page refers to the replacement of a Peltier module for heating cooling see also overview diagram on page 8 1 SO nomen NS 2 10 11 12 13 14 15 16 17 18 Disconnect the mains plug Remove the top panel see page 11 Remove the cover of the Peltier module 2 Pull out the rear panel of the casing 3 upwards Remove the insulation tape from the Peltier module Undo the retaining nuts of the Peltier module 1 From the front side of the appliance undo the mounting bolts of the cover plate in the interior of the appliance 4
26. sive tape to avoid confusion when reconnecting Undo 4 screws from the mainboard Make sure that the spacer bolts are not lost when doing this Remove the mainboard Insert a new mainboard and screw it tight with the spacer bolts Reconnect the cable Put the top panel back on plug in the mains plug Check that the appliance is working If the fault persists Con tact the manufacturer Spare part Spare part number 230 V B04098 Mainboard 115 V B04113 Service IPP 200 500 HPP 108 10 2008 memmert 7 Replacing the switched mode power supply SEE Disconnect the mains plug Remove the top panel see page 11 Disconnect all the plugs on the switched mode power supply and label them if necessary 1 Undo the screws 4 screws at the corners 2 and remove the switched mode power supply Insert a new switched mode power supply and screw tight Reconnect the plug to the switched mode power supply Re attach the top panel Connect the mains plug and subject the appliance to a func tion test If the fault should persist or if it works incorrectly contact the manufacturer Fig 7 Switched mode power supply 1 2 Connections Screws Switched mode power supply E04016 Service IPP 200 500 HPP 108 10 2008 15 memmert 8 Replace main switch module with the push turn control eo UON Unde ue qo Disconnect the mains plug Remove the top panel see page 11 Pull off the push t
27. t the mains plug Check that the humidification dehumidification is now work ing properly If this is not the case contact the manufacturer u L Fig 30 Replacing the control module for the humidification dehumidification 1 2 Control module Screw connection four screws Control module B04376 Service IPP 200 500 HPP 108 10 2008 39 memmerl 18 4 Replacing the humidity sensor 40 1 2 10 11 12 Disconnect the mains plug Remove the top rear and left side panels see pages 11 and 12 Remove the insulation material on the rear of the appliance in the opening for the humidity sensor 1 Undo the connection cable of the humidity sensor 2 on the control module in the control unit On the rear of the appliance there is a small opening in the insulation material through which the Allen set screw 3 can be undone with a 1 5 mm Allen key 4 with which the humidity sensor is attached Undo the set screw and pull out the humidity sensor to the rear Pull the humidity sensor out and upwards through the open ing in the floor of the control unit 5 Push the new humidity sensor down through the opening in the floor of the control unit and insert into the opening in the insulating material on the rear of the appliance Screw down the humidity sensor sideways with the Allen key and push the filling material back inside Connect the plug connection of the humidity sensor to the control
28. t working properly If humidification increase of humidity in the chamber is not working properly this can be seen by the fact that the humidity display on the control panel does not change if a higher humidity is set see operating instructions Reducing the humidity dehu midification works however Proceed as follows to determine the cause 1 Check whether there is water in the external tank canister 1 if not fill it up with distilled water 2 Check whether the water tubes on the appliance and on the steam generator 3 on the rear side of the appliance are con nected properly 2 If not make sure that they are fastened tight Fig 24 Checking the tube connections 1 Water tank canister 2 Tubeconnections 3 Steam generator Service IPP 200 500 HPP 108 10 2008 33 memmert If the fault is not down to the water supply continue as follows di Remove the top panel see page 11 In the control unit that is now accessible you will find the following components for regulating humidity Fig 25 Components of humidity regulation in the control unit 1 2 3 4 34 Pump Control module Fuse for control module Power supply unit Check that all plugs are connected Check that the fuse for the control module 3 is OK If not replace the fuse Check that the pump is running 1 If not Replace the pump see page 36 If the error has still not been been found then the s
29. team generator at the back of the appliance is faulty In this case it must be replaced see next chapter Service IPP 200 500 HPP 108 10 2008 memmert 18 1 1 Replace steam generator 1 2 O0 X OVI 10 11 12 Disconnect the mains plug Remove the rear panel see page 12 To do this the top panel must be removed first see page 11 Undo tube connections at the top and the right 2 on the steam generator 1 Undo the plug connector of the steam generator in the con trol unit on the top of the appliance Unscrew the steam generator 3 Remove the steam generator Put on a new steam generator and screw it tight Connect the plug connector of the steam generator in the control unit on the top of the appliance Connect the water tubes on the right and at the top on the steam generator Put back the rear panel and re attach the cover grids of the steam generator and Peltier modules Re attach the top panel Reconnect the mains plug Check that the humidification is now working properly If this is not the case contact the manufacturer Fig 26 Replace steam generator 1 2 3 Steam generator Tube connections Screw connections four screws Steam generator B04436 Service IPP 200 500 HPP 108 10 2008 35 memmert 18 1 2 Replacing the pump 1 urge wo gt zoomen Disconnect the mains plug Remove the top panel see page 11 Release the two tube connections on the p
30. th the temperature value of the Pt100 temperature sensor from the monitoring controller Error message E 1 Mainboard actuator Triac faulty Error message E 2 Mainboard faulty Neither humidification nor dehumidification are working properly Dehumidification works humidification doesn t work Humidification works dehumidification doesn t work Service IPP 200 500 HPP 108 10 2008 operating controller faulty Operating memmert Rectifying errors Replace Pt100 temperature 18 sensor of the monitoring controller on plug J3 Replace controller 17 The error can be rectified by the controller after a set value parameter has been saved again If the error should continue occurring or cannot be rectified replace the controller 17 Check connection cable replace mainboard if 13 necessary Replace Pt100 temperature 18 sensor of the operating controller on plug J4 Replace mainboard 13 Replace mainboard 13 N memmert 4 Overview 4 1 Construction Fig 1 Construction shown in figure Maximum fittings for HPP 108 the actual fittings may vary depending on the appliance type 8 Service IPP 200 500 HPP 108 10 2008 MEMMER Item Designation see also page item Designation Tu s 1 Top panel 11 2 Rear panel 12 3 Right side panel 11 4 Door 26 5 Inner glass door 25 6 Fan cover right 19 7 Fan cover left 19 8 Left side panel 11 9 Cover of left Peltier heating cooling module 21
31. ump 1 Pull off the plug connector from the control module 2 Undo the screw connection of the pump 3 to the ground plate 2 screws and remove the pump Insert a new pump and screw it tight with 2 screws Connect the plug connector Connect both tube connections Re attach the top panel see page 11 Reconnect the mains plug Check that the humidification is now working properly If this is not the case contact the manufacturer Fig 27 Replace the pump 1 2 3 Remove hoses Undo plug connector Undo screws Pump E04504 18 2 Dehumidification is not working properly If dehumidification decrease of humidity in the chamber is not working properly this can be seen by the fact that the humidity display on the control panel does not change if a lower humidity is set see operating instructions Increasing the humidity hu midification works however Proceed as follows to determine the cause 36 1 On the control panel on the front of the appliance set a low humidity see operating instructions Check that the fan of the dehumidification Peltier module on the rear side of the appliance is running Fig 28 If this is not the case the fan is faulty and needs to be replaced along with the Peltier module see next section Service IPP 200 500 HPP 108 10 2008 memmert If the fan is running but the humidity inside the appliance does not fall you should proceed as follows 1 Re
32. urn control 1 forwards Remove the plugs 4 pin 4 from the controller slot J2 Undo the mounting bolts on left and right 2 Slightly raise the main switch module and pull backwards Place new main switch module into the control panel Attach the module with two screws 2 Connect the plug 4 to the controller slot J2 Attach the push turn control 1 at the front Put the top panel back on connect the mains plug Switch on appliance and check the function of the new main switch module and the push turn control If the error has not been rectified Contact the manufacturer 1 2 Fig 8 Main switch module see also control unit overview on page 10 1 2 3 4 Push turn control Mounting bolts left and right Main switch Plug controller slot J2 Spare part Spare part number Main switch module 230 V B04425 Service IPP 200 500 HPP 108 10 2008 memmert 9 Replace controller 1 2 3 4 e 10 11 12 Disconnect the mains plug Remove the top panel see page 11 Pull off the push turn control to the front see page 16 Undo three screws 3 and remove the main switch module 4 Cut and remove both cable ties 2 with wire cutting pliers Pull off and label the plugs of the respective controller slots Jx Remove controller 1 to the rear Insert new controller and fasten controller and main switch module with three screws 3 Reconnect plug to the respect
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