WMF Presto, Service Manual

Page 1: ...coffee wakes up the world Service manual English 03 02 001 Coffee Machine Series 1400 Edition 08 007 ...

Page 2: ...submenu error list 9 3 7 submenu portioner 9 3 8 submenu standards factory service customer 10 Factory service customer menu 1 Factory service customer menu 2 Factory service customer menu 3 Factory service customer menu 4 Factory service customer menu 5 3 9 submenu Key Operator 12 Key Operator mode 12 Maintenance messages in Key Operator mode 13 Customer check up 13 Summary of maintenance message...

Page 3: ... water 22 6 2 Additional laptop setting options KonfigTool 22 7 Error messages and events 7 1 Display messages 23 7 2 Error list 24 7 3 Reasons for reset 28 7 4 Standby causes 28 8 Mechanical settings 8 1 Grinder setting coarse fine 29 8 2 Setting pressure reducer 30 9 Maintenance schedules 9 1 Customer check up 31 Customer check up routine 9 2 Service maintenance 31 9 2 1 Maintenance sets Service...

Page 4: ...s service program beverage data or KonfigTool beverage data Enter service point KonfigTool required Store data in service memory service program machine data standards customer Service Backup machine data in laptop memory After setup the service technician must note the following statement in the assembly invoice At the end of operation had to be turned off at source The user manual and accessorie...

Page 5: ...played Setup start date service Date of next maintenance service Next descaling care info descaling Next filter change care Info filter Additional maintenance counters under machine data counters brewer 2 2 2 Where is cleaning info displayed Time elapsed since last cleaning care info cleaning How long since last cleaning Last 100 cleaning operations with date and time care report Service info Serv...

Page 6: ...rs cannot be set From software version 3 2 1 The limit for customer check up can be set to 15 000 brewings by KonfigTool Machine maintenance counters always valid Counters relevant to the maintenance information in the brewer menu Customer check up 10 000 brewings Maintenance service 30 000brewings Revision 90 000 brewings Machine data Machine data Reset by tapping on the respective line Reset by ...

Page 7: ...enu maintenance message is only displayed in Key Operator mode Choc maintenance 36 000 dosages Topping portioner maintenance counter Counter relevant to topping portioner maintenance in portioner menu maintenance message is only displayed in Key Operator mode Topping portioner maintenance 108 000 dosages With twin topping the portioner and the motor should be replaced as soon as the first counter ...

Page 8: ... date Set interval for customer check up After entering service date the following requests are displayed 3 4 Temperature submenu Setting range 85 100 C default 96 C Setting range 110 to 130 C default 127 C Changing the steam boiler temperature leads to great changes in the dosage of milk and milk foam Changes are not recommended See chapter Error list See chapter Error list ...

Page 9: ...last beverage dispensing Switch warning signal before foamer rinsing on off 3 6 submenu error list Delete individual errors tap on the line Delete complete error memory tap C 3 7 submenu portioner Example right grinder Idling current determined via service routine Maximum dosage amount in 1 10 seconds Only the maximum dosage amount can be set for the powder portioner default 150 A detection of the...

Page 10: ...istered automatically by its intake valve See chapter boiler wwater system Factory service customer menu 2 Steam dispensing valve existent Fresh milk valve cappuccino valve existent Aquaflex Steam dispensing valve is automatically detected See chapter boiler wwater system Milk is automatically detected See chapter boiler wwater system Aquaflex The machine can be operated as fresh water or water ta...

Page 11: ...kes sense to adjust the 2 level if milk is available Tablet insert Handrein must be set manually for more than 2 portioners for up to two portioners manual insert coffee HandKaff Accounting must be set manually MDB or serial connection Factory service customer menu 5 Operating mode grounds container external grounds disposal through counter Preselect button for decaf brewing instead of steam butto...

Page 12: ...s the individual components to be prophylactically exchanged due to wear The Key Operator also has access to maintenance routines component tests and the counters in the machine data This access is protected by a customer check up PIN If Key Operator is activated only the cleaning cycles are available to the customer Customer check up filter change and filter rinsing are available in the service r...

Page 13: ...tral unit Maintenance after 90 000 grindings Parts to be replaced the respective grinder the grinder drive Reset with C on display counter see machine data wcounter wbrewer wgasket or Menu Care wCustomer check up Reset with C on display counter see machine data wcounter wbrewer wgasket or Menu Care wCustomer check up Reset with C on display counter Counters see machine data wcounter wbrewer wbrewe...

Page 14: ...he control unit must be replaced when the error message F 157 is reported Procedure for battery replacement analogy to service maintenance error message report F 157 Maintenance operations in Key Operator mode The replacement of components is described in the chapters service maintenance and revision Summary of maintenance messages Reset with C on display counter see machine data w Counterw Mixer ...

Page 15: ...03 01 If these settings are changed customers must principally be made aware of the risks of clogging and malfunctions due to descaling and lack of cleaning in writing Page maintenance dates Contact data of service technician with phone number Page PIN Block menu items Set accounting of unit numbers to not deletable Page grounds container Set capacity The notices to the customer regarding warranty...

Page 16: ...ch Run brewer up Run brewer down End switch 0001 end switch contacted Current mA Display value during procedure 4 3 submenu portioner Test right grinder Test left grinder Test powder portioner for choc or topping Current mA Value during portioning procedure is displayed During the test the grounds container must be in position and the adjustable screen closed as the brewer receives the coffee powd...

Page 17: ...ng tests Heating units display of condition and current temperature Level feeding button The level in the steam boiler is lowered via the steam valve button The level in the steam boiler is raised by the supply valve Liquid level the current capacitative value of the sound is displayed The trigger value at which the steam boiler is detected as full is 180 digits Normally the full value is at 212 d...

Page 18: ...play illumination can be switched off for testing 4 10 Grounds container Display if the micro switches switch the 24 V circuits of the grounds container and the adjustable screen 4 11 Fan Test of function and current consumption 4 12 Power status Report power failure to the control unit 4 13 submenu choc dispenser topping Test choc valve Test the portioner the choc valve is also addressed Test mix...

Page 19: ...g cycle can be interrupted Attention If a cleaning or descaling cycle has been interrupted adequate measures must be taken to ensure that no residues of cleaning or descaling agents remain in the machine In this case cleaning or descaling must be repeated The reset of the customer settings program is treated in the same way by the software however does not reset the cleaning and descaling obligati...

Page 20: ...hen the steam boiler electrode is touched In machines without steam boiler filling is always run for 300 seconds during first putting into operation 5 5 Filling the steam boiler At the first setup of a machine delivered by the factory the first filling is done automatically as part of the setup routine The steam boiler is filled via the supply valve until the electrode reports contact The air esca...

Page 21: ...mains all data is automatically loaded into the service memory 5 7 Depressurization Temperature and pressure are reduced under control also in cases of overpressure e g following a malfunction of the heating switch and overheating of the boilers Before opening the screw connections in the boiler water system this routine must be run for safety reasons 5 8 Descaling The same function as in the cust...

Page 22: ...ressing and water amount for warm rinse Milk set dosage time 1 e g milk and 2 e g foam and beverage specific foam quality Overview of beverage data main menu e g hot water General Set recipe and dosage variation Water Set dosage amount 6 2 Additional laptop setting options KonfigTool Page customer general item pretreatment User defined pretreatment setting possible Pressing pre infusion wet pressi...

Page 23: ... first heating or manual via warm rinse button warm rinse If grounds container was drawn out for more than 5 seconds Beans left idling current detected With Aquaflex only Water in tank but set to permanent water supply Cleaning messages Brewing unit not detected following closing of door or inserting of grounds container With machines without drain connection and after cleaning with switching off ...

Page 24: ...No malfunction memory 2 F2 Brewer without electricity 195 5 F5 Brewer shutoff 198 6 F6 Brewer over current 253 7 F7 Brewer timeout no electricity 254 26 F26 Portioner current malfunction 1 36 F36 Current malfunction Portioner 2 3 46 F46 Current malfunction Portioner 3 not implemented 5 not implemented 87 F87 Boiler sensor damaged 40 88 F88 boiler excess temperature 39 89 F89 boiler heating time 41...

Page 25: ...ent in 24 30V systems 86 161 F161 flowmeter malfunction during brewing 241 162 F162 flowmeter malfunction during cleaning 242 163 F163 flowmeter malfunction during checking 243 164 F164 flowmeter malfunction during hot water dosage 244 165 F165 flowmeter malfunction during choc dosage 245 166 F166 flowmeter malfunction during DK feeding 246 167 F167 flowmeter malfunction during descaling 167 186 F...

Page 26: ...ernal 9125 internal Milk foam cleaning in progress internal 9126 internal Cleaning was interrupted due to an error in the cleaning program 9136 Display cleaning obligation Mixer cleaning in progress internal 9180 AD transformer ready for developers only internal 9236 9248 Malfunction in level sensor 9248 9256 Auto detect malfunction Right grinder not detected 9256 9257 Auto detect malfunction brew...

Page 27: ...oner detected 9264 9265 Auto detect malfunction Milk pump detected but no cappuccino valve detected or milk pump not detected but cappuccino valve detected 9265 Power supply reports voltage too low External mains voltage 9268 Pump switches to pressure lowering mode Info button number Pump pressure lowered The beverage number is entered into the laptop Info column 9271 Pump pressure lowered 9271 92...

Page 28: ...WS off RST_k_PWSOFF 46 Reset via service mode RST_k_SERVICE 47 Reset via timer mode ON RST_k_TIMERON 48 Reset via timer mode OFF RST_k_TIMEROFF 49 Reset via cleaning cycle with switch off RST_k_RMASCHOFF 50 Reset via cleaning cycle RST_k_RMASCH 51 Reset via choc cleaning RST_k_RSHOK 52 Reset via cleaning milk RST_k_RMILCH 53 Reset via boot access RST_k_BOOT 54 Reset unknown RST_k_UNKNOWN 55 Rest a...

Page 29: ...nds to setting no 1 espresso See chapter troubleshooting or user manual or respective error massage no 161 if powder is too fine Cream grinder left side Open the setting wheel for a total of 18 turns grinding disks with 2 fixing screws Open the setting wheel for a total of 20 turns grinding disks with 3 fixing screws This setting corresponds to setting no 5 cream fineness 2 turns of the setting wh...

Page 30: ...sure on pressure gauge Set pressure to 1 8 bar at pressure reducer Finish test machine is turned off Dismantle setting equipment and remove auxiliary nipple Replace filler cap Setting pressure reducer with KonfigTool Adjust test environment set pressure reducer start Remove filler screw cap Screw auxiliary nipple to accept plug in connector into the water tank filler Mount auxiliary tool on filler...

Page 31: ...68 x 1 78 mm 33 0394 4100 10 O Ring 37 x 3 5 mm 33 7006 5190 11 O Ring 7 65 x 1 78 mm 33 0396 1000 12 O ring grease 33 2179 9000 Customer check up routine Replace parts of combination spout Replace O rings of brewing unit Replace water tank O rings 9 2 Service maintenance 9 2 1 Maintenance sets Service level 2 for service maintenance 2 30 000 Maintenance set 33 2828 5000 for basic machine with fre...

Page 32: ... 3306493000 1 Connector Basic machine 3322956000 1 Fuse Basic machine 3314719000 1 Plug and socket connection Basic machine 3314480000 1 Only temporary in maintenance set Additional maintenance set for fresh milk 33 2828 9000 Parts Belongs to Part number Amount SV 12 bar steam boiler with milk 3322992099 1 Milk hose 50 cm with milk 0000484948 1 m Milk nozzle 1 4 mm white with milk 3395169000 1 Mil...

Page 33: ...out choc topping water tank model Preparing the machine Open coffee machine Replace fan and suction hose Replace safety valves Replace solenoid valves Replace steam nozzle and Y piece Replace spout Fit milk hose Replace battery Replace coffee delivery Replace brewing unit Close coffee machine Restarting Settings Additional work for machines with choc topping Replace mixer part 18 and fit mixer spo...

Page 34: ...ter dispensing valve Basic machine 3322739000 2 Release valve Basic machine 3322745000 1 Solenoid part for release valve Basic machine 3322737000 1 SV 16 bar Boiler Basic machine 3322970099 1 Fan Basic machine 3316621200 1 Branch pipe 45 Basic machine 3321238000 1 Hose Basic machine 0000480042 1 Battery Basic machine 3322633000 1 Steam nozzle compl Basic machine 3328246000 1 Y piece Basic machine ...

Page 35: ...3322732000 2 Hood 3322729000 1 Hood for tower and choc 3322730000 2 Gasket CU 3300601000 2 Oscillating pump 3322514000 1 Hose complete 3322535000 1 All hoses see tube plan All Plug in connections see tube plan Grinder complete 3370064022 1 Motor 3322532000 1 Flowmeter water tank 3322503000 1 Hose water tank 0000484948 0 7 Steam only Parts Part number Amount Valve steam valve 3322739000 1 SV 12 bar...

Page 36: ...4000 1 Cable ties for steam boiler insulators 3322732000 2 Air pump 3323230000 1 Milk and Steam Parts Part number Amount Valve steam valve 3322739000 1 SV 12 bar steam boiler 3322992099 1 Steam boiler 3322770099 1 Electrode 3328205199 1 Temperature limiter 3322636000 2 Steam boiler temperature sensor 3322624000 1 Cable ties for steam boiler insulators 3322732000 2 Milk hose 100 cm 0000484948 1 Mil...

Page 37: ...3323215000 1 Topping Parts Part number Amount Maintenance set 2 06 3328285000 1 Oval topping hopper complete 3328248000 1 KMP choc topping drive 3322517000 1 Drive actuator 3323215000 1 9 3 2 Revision routine Philips screwdrivers short and long Torque screwdriver TX20 Multitool Open end wrenches 8 12 14 15 and 17 mm Wire cutter spring circlip pliers 8 and 5 5 mm socket wrenches Flat nose pliers 9 ...

Page 38: ...liveries Refit brewer motor Prepare new boiler for mounting Mount boiler Prepare new steam boiler opt for mounting Mount steam boiler optional Mount and connect solenoid valves Replace complete grinder Replace air pump Replace steam nozzle and Y piece Mount milk hose Replace battery Replace brewing unit Checks Close coffee machine Putting back into operation Settings During maintenance pay special...

Page 39: ...39 WMF presto Service manual edition 08 2007 WMF presto Service Manual ...

Page 40: ...40 WMF presto Service manual edition 08 2007 WMF presto Service Manual ...