Asko DW70 Service Manual Page 1

Service manual DishwashersType: DW70

10COMPONENT INFORMATIONFlowmeterThe ow meter is tted in the air gap. The ow meter is used to control the water intake so that the right volume is

11COMPONENT INFORMATIONSpray arm diverterCertain machines are tted with a spray arm diverter. The spray arm diverter comprises a synchronous motor th

12DoorswitchA micro switch detects when the door has been opened. The program is paused and power to certain components (motor, valves etc.) is cut.

13Turbidity sensor Machines with an auto program have a turbidity sensor that measures how cloudy the water is. The sensor comprises an LED and a phot

145. Programs and control unit5.1 ProgramProgram1st pre-wash2nd pre-wash1st ushMain washClean dr. pump2nd Flush 1st rinse 2nd rinse Clean dr. pum

15* (only Time program)** (only spray arm diverter)*** (For detergent with water softener)1-5 (option alternatives)5.2 Time display DW70.1: The

165.4 Wiring diagram FORMAT A3This document must not be copied withoutour written pemission, and the contentsthereof must not be imparted to a third p

175.4 Timer diagramPROGRAMS AND CONTROL UNITQuick washComponentsStep timesProgramSoftenerBoth (normal)Upper basket washLower basket washMixed washBoth

185.5ProgramowdescriptionPresented below is the Quick program. If the component test in the service menu is not sucient to identify a fault you c

19Panel type DW70.1, L = LED, S = Push buttonVariant settingsWhen the power is switched on for the rst time after replacing the control unit, the var

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20DW70.3Panel type DW70.3, L = LED, S = Push button, Variant settingsWhen the power is switched on for the rst time after replacing the control unit,

21Child safety catch Activating the settings menu:1. Turn o the main power switch (I/0)2. Wait at least 5 seconds3. Press and hold the temperature

22DW70.4Panel type DW70.4, L = LED, S = Push buttonSpecial settingsTurn on the main power switch, press the Menu but-ton (S4) a few times until the sp

23DW70.5Panel type DW70.5, L = LED, S = Push button, D = DisplayVariant settingsWhen the main power switch is switched on for the rst time after repl

24DW70.CWater hardness settingActivate settings menu. :1. Turn o the machine using the main power switch.(I/0)2. Wait for at least 5 seconds.3. Press

255.7. Service menuActivating the service menu DW70.11. Turn o the main power switch (I/0)2. Wait at least 5 seconds3. Press and hold the Program

26Display +15 %: Water intake volume increases by 15 % Display Time: Time-controlled water intakeDisplay +5 %: Water intake volume increases by 5%Disp

27DW70.5 1. Turn o the main power switch (I/0).2. Wait at least 5 seconds.3. Press and hold the Program and Start buttons (S1 and S2).4. Switch o

28TROUBLESHOOTING6. Troubleshooting6.1DishwashingresultsCheck the following points if the dishes are not clean (always begin by checking any fault

296.3 Water level DW70When servicing a DW70 dishwasher it is important to check the water level in the machine.This is particularly important when pro

3 Contents 1. Introduction ...4 1.1 M

30L - LED, S – Push button, F – Fault code or plain text on display, D - Display6.4 Fault indicationDW70.5DW70.1DW70.4PROGRAML6L1L2L3L4L5L11L12L7START

316.4 Fault codes NB:Some DW70.3 and DW70.4 models may have a status lamp that always ashes together with the current fault indicator. If the custom

32TOOLSTurbidity sensor fault (DW70.1 no indication)70.3 L1 and L5 ash 70.4 “Turbidity sensor fault”70.5 Fault code “FA”70.C Fault code “FA”Only

33Article no. 80 836 38 rev. 02

4INTRODUCTION1. IntroductionYou are holding ASKO’s service manual for the DW70 generation of dishwashers.The DW70 dishwasher series is available in v

5DW70.3The DW70.3 is available in two versions – with three and ve options respectively. The machine has six set programs and the controls are on the

62.1 Technical informationHeight: 823-870 mm (32-1/4” to 35-1/2”) = for 820 mm ma chines (XL) 863-910 mm (33-3/4” to

73. InstallationSuggested machine installationsThe dishwasher can be installed built-in, completely freestanding or partially free-standing.CAUTION! C

8ConnectiontowatersupplyThe supply pipe must be tted with a stop-cock. The stopcock should be positioned above the sink unit or at the front of th

94.Component description4.1 Components and measurement valuesThe specied resistance values apply at room temperature (about 20°C/68°F)Values within ±