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Spares Operation - R.Kurzke 11/06

599 528 133 EN

SERVICE MANUAL

© AEG Hausgeräte GmbH

Muggenhofer Straße 135
D-90429 Nürnberg
Germany

Fax +49 (0)911 323 1022

Spares Operation

Publ.-Nr.:
599 528 133

11.06

EN

Edition:

Dishwasher

COMPACT

EDW 503

DISHWASHER

COMPACT

EDW 503

Summary of Contents for EDW 503

Page 1: ...1 06 599 528 133 EN SERVICE MANUAL AEG Hausgeräte GmbH Muggenhofer Straße 135 D 90429 Nürnberg Germany Fax 49 0 911 323 1022 Spares Operation Publ Nr 599 528 133 11 06 EN Edition Dishwasher COMPACT EDW 503 DISHWASHER COMPACT EDW 503 ...

Page 2: ...7 Water inlet 14 8 Rinsing system 15 9 Strainer system 16 10 Level control system 17 11 Drain system 18 12 Regeneration 19 13 Thermostats 20 14 Temperatur and safety systems 21 15 Wirings and diagrams 22 25 16 Service informations 26 Spülraum 26 Housing 27 Base plate 28 Components lower region 29 Door components 30 Door switch 31 Rinse aid dispenser detergent dispenser coil 32 Pressure switch Anti...

Page 3: ... 3 Spares Operation R Kurzke 11 06 599 528 133 EN 2 Technical specifications 1 Programme selection cancel button ...

Page 4: ... 4 Spares Operation R Kurzke 11 06 599 528 133 EN 3 Programme chart ...

Page 5: ...nected to a capacitor 2 0 μF for UK 2 5 μF for Europe Pressure Switch The pressure switch controls the water level Without water contact is closed Adjusting Turning the marked screw clockwise level Turning the marked screw anti clockwise level Heating element Power output 1200 W Resistance approx 42 Ω ...

Page 6: ...n pump is driven by a synchronous motor Power output 21 19 W Pump rate 10 12 l min Main winding resistance 200 Ohm Thermostats normally open 45 C closes at 41 C opens at 33 C 55 C closes at 50 C opens at 42 C 65 C closes at 61 C opens at 53 C Overheating protection normally closed opens at 83 C closes at 0 C Electronic EDW 503 On electronic models a micro processor controls all components this is ...

Page 7: ...istance 3000 Ohm Rinse aid dispenser Rinse agency capacity 140 ccm Solenoid coil resistance 1900 Ohm Inlet valve Capacity max 4 l min Resistance 4800 Ohm Anti flood switch If the anti flood swich in the base tray is activated all components are switched off except the drain pump ...

Page 8: ... valve 7 between the salt container and the ion exchanger will then open and regeneration water will flow into the salt container 4 A corresponding amount of water saturated with salt is thus forced into the ion exchanger The salt solution is present in the ion exchanger during the last rinse and thesmallplasticballswillberechargedwithsodiumions According to the actual programmer diagram the inlet...

Page 9: ... 9 Spares Operation R Kurzke 11 06 599 528 133 EN 5 Position of components Outer door Inner door Door opener Door seal EDW 503 Panel upper panel ...

Page 10: ...es Operation R Kurzke 11 06 599 528 133 EN Thermostats Rinse aid dispenser Housing Interference filter Coarse sieve Fine strainer Base plate Basek rails Door switch Coil for detergent dispenser Heating element ...

Page 11: ...zke 11 06 599 528 133 EN Pressure switch Regeneration valve Circulation pump Drain pump Float switch Inlet valve anti siphon valve Inlet hose Drain hose Base plate Softener Reed switch salt indicator Air chamber Water collector ...

Page 12: ... 12 Spares Operation R Kurzke 11 06 599 528 133 EN Cup support Dish rack Cuttlery basket Pump housing Sealing ring Spray arm Basket roller ...

Page 13: ... 13 Spares Operation R Kurzke 11 06 599 528 133 EN 6 Water Course Scheme ...

Page 14: ...e 11 06 599 528 133 EN 7 Water Inlet The water flows into the regeneration dosage chamber via inlet valve over air break into regeneration dosage chambers and into softener The level control container operates the pressure switch ...

Page 15: ...ng in the centre at the rear end of the motor To ensure that no vibrations will be transmitted from the motor to the base plate a plastic foam spacer strip is fitted to the bottom of the chassis The pump casing half which is inside the wash ing chamber also contains the spray tube bear ing with a stainless steel shaft The underside of the spray tube is fitted with a seal ring to minimize leakage T...

Page 16: ...ner All particles larger than 0 5 mm will be trapped and the water flowing through the strainer will thus be virtually clean The performance of the strainer is highly dependent on the suction of the circulation pump being equally distributed over the entire strainer area If the suction is higher at any one point particles will be drawn through the fine strainer at that point and they would then di...

Page 17: ...on the side outside the chassis will also rise The container is connected to a pressure switch by means of a hose As the water level in the contairier rises the air pressure in the hose will also increase and will act on the pressure switch When the pressure has risen to a preset value the pressure switch will open which will cause the inlet valve to close The programmer motor can now advance to t...

Page 18: ...pump casing and jam the impellar the motor will immediately make a new starting attempt in the op posite direction Even if the impellar is seriously jammed e g by a toothpick the motor will most probably release the impellar within about a second The power consumption of the motor is 23 watt and the pump capacity is about 10 I min The internal drain hose is connected to the drain pump To prevent t...

Page 19: ...tion valve is energized The 350 ml water runs into the salt container and mixes with the salt to form a brine solution In the top of the salt container there is an opening with a small filter from here the brine solution enters the softener where the resins are regenerated The softener has 5 settings and can be adjusted to suit the degree of water hardness ...

Page 20: ...the higher the water temperature Depending on the Programme selected the thermostats will be switched in and will interrupt the power supply to the heater element via the programmer when the water has been heated to the required temperature As in the case of al other components there is a certain amount of tolerance on the nominal temperature of the thermostats For the breaking temperatures the to...

Page 21: ...ating safety system is very important Several components and systems are involved in different ways The following conditions must be satisfied before the element can be switched in The rnain switch must be closed the door must be closed so that the door switch is closed and a Programme must have started The machine must contain the correct amount of water as determined by the level control pressur...

Page 22: ... 22 Spares Operation R Kurzke 11 06 599 528 133 EN 15 1 Wiring without softener ...

Page 23: ... 23 Spares Operation R Kurzke 11 06 599 528 133 EN 15 2 Wiring with softener ...

Page 24: ... 24 Spares Operation R Kurzke 11 06 599 528 133 EN 15 3 Connections without softener ...

Page 25: ... 25 Spares Operation R Kurzke 11 06 599 528 133 EN 15 4 Connections with softener ...

Page 26: ...ter is always clean Fine filter It is just important to keep this filter clean The fine filter can easily be lifted out for cleaning when the coarse filter is removed at first Spray arm The spray arm is to be removed by unscrewing the nut clockwise it has a left handed thread and lift of the spray arm Sealing ring To clip out he sealing ring a screwdriver gives support ...

Page 27: ... machine the housing is unclipped front and back from the catches and can be removed All components from the left and right side are now accessible You need screwdriver Torx TX20 Electronic EDW 503 Thermostats Rinse aid dispenser Interference filter Coil for detergent dispenser Pressure switch Drain pump anti siphon valve Softener Air chamber ...

Page 28: ...e base plate of the machine is held with screws on the lower panel and at the bottom Lay the machine on its back and lift off the base plate It contains the bosses for the overflow water and the flooding switch After removal you come to the most important functional components ...

Page 29: ...s Operation R Kurzke 11 06 599 528 133 EN Heating element Regeneration valve Circulation pump Float switch Inlet valve EDW 503 Thermostats Interference filter Drain pump Air chamber Softener Switches temperature ...

Page 30: ...ergend dispenser flap can be removed from the inner door After removing the spring the door opener can be removed from its hinges Re assembly is carried out in the reverse order Outer and inner door They snap together and are held by plastic latches on the under side They can easily be unsnapped The seal is easily be clipped in the inner door frame ...

Page 31: ...ur screws two on each side securing the rack rails Open the door to an angle of about 130 and carefuly relese the hinge pin on the right hand side On the left hand side the hinge pin is inserted in a hole without slot Door switch Remove the the screws on the under side of the upper panel Lift off the upper panel The door switch is easily be screwed ...

Page 32: ... 32 Spares Operation R Kurzke 11 06 599 528 133 EN The coil with tappet as support for the detergent dispenser is held by two screws Remove this screw to dismount the rinse aid dispenser unit ...

Page 33: ...n necessary in case these rubber The air should be able to enter the hose from the holder not the other way around Anti siphon valve The motor capacitor is screwed by a nut parts in the interior of this valve become dirty or stuck because of residues Level control container Air chamber Remove the srew to lift off the level control container for cleaning ...

Page 34: ...eration R Kurzke 11 06 599 528 133 EN Heater element After the removal of the nut and the heater clip in the sump under the fine strainer the heater element can be drawn forward through the chassis opening to remove ...

Page 35: ... unit The switch unit is secured by means of screws and easily to remove Inlet valve The inlet valve is mounted in the same place as the float switch After the removal of the hose the valve can be drawn out of the chassis with suitable pliers The mounting for the thermostats is screwed at the right side of the air chamber After its release the thermostats can be removed Thermostats ...

Page 36: ... cutting pliers Circulation pump After loosening the screws of the holder the circulation pump can be taken out of the pump chamber Drain pump To dismount the drain pump the hose clamps are released and the screws removed After removing the drain pump the tubing bow with seals fitted in the pump chamber is accessible ...

Page 37: ... The connections on the reed switch are removed 3 The hose connections are detached 4 The large nut of the salt hol der must be released 5 A spanner is useful in removing the recycling inlet nut 6 Now the complete unit can be removed Regeneration valve After undoing the screws of the recycling valve this can be removed 1 2 4 3 5 6 ...

Page 38: ...ws on the d pump If the leakage point is located to the d pump check the two screws holding the bracket circulation pump in place disassemble the circulation pump from the tup and check for plastic burr in the tub oring connection Leakages Service solutions Take of the cover to be able to see the Container on the left hand side Let the dishwasher take in water and check the level If the level is t...

Page 39: ... Spares Operation R Kurzke 11 06 599 528 133 EN In the case of leakage here more checkpoints Check the locknut under the salt cap to ensure it is fully tightened It should not be possible to unsrew by hand ...

Page 40: ... 40 Spares Operation R Kurzke 11 06 599 528 133 EN 16 ...

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