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SERVICE MANUAL
SERVICE MANUAL
Dishwasher 2005
Dishwasher 2005
SEVEN DIGIT
SEVEN DIGIT
DRAFT
All the parts included in this document are the property of Indesit Company S.p.A.
All rights reserved. This document and the information it contains are supplied without liability for possi-
ble errors or omissions; no part of this document can be reproduced, used or copied without written
permission or without being authorised by the terms of a contract clause.
Service Manual
Seven Digit - 2005
Edition
2005.07.08
G
Language
English
B
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Summary of Contents for Indesit LF 70 IT
- Page 1 SEVEN DIGIT DRAFT All the parts included in this document are the property of Indesit Company S.p.A. All rights reserved. This document and the information it contains are supplied without liability for possi- ble errors or omissions; no part of this document can be reproduced, used or copied without written permission or without being authorised by the terms of a contract clause.
- Page 2 CONTENTS OF THE MANUAL: NOTE FOR THE ENGINEER This manual is a supporting document for technical personnel. It contains a description of the various product types, the general operating principle, and indications concerning assistance. Technical personnel should anyway consult the specific model on (servicenet.indesitcompany.com) to access data and updates of electrical diagrams, technical bulletins, and spare parts.
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Page 3: Table Of Contents
CONTENTS 1. TYPOLOGY OF PRODUCT Legend Interfaces Technical features Energy Label 2. FUNCTIONING 7-10 Programs Program Table Function setting New programs Other innovations 3. COMPONENTS 4. WIRING DIAGRAMS 5. TECHNICAL ASSISTANCE 14-20 Demo Mode Auto Test Rod and Sat Testing cycle 15-17 Fault &... -
Page 4: Typology Of Product
1. TYPOLOGY OF PRODUCT: 1.1. LEGEND: Ariston: LF 70 IT - LF 70 X IT - LF 70 FR - LF 70 EU - LF 70 X EU L L 7 0 X F R Brand + Interface Dimensions: Interface:: Colour:... -
Page 5: Technical Features
1.3. TECHNICAL FEATURES: MODEL: SEVEN DIGIT Dimensions: Width: Height: Depth: Water supply: Maximum pressure: Minimum pressure: 0,5 bar Power supply: Tension: 220/230 Volt. (EU) - 230/240 Volt. (UK) Maximum power absorbed: 2000 Watt. Service Manual Edition Language Seven Digit - 2005 2005.07.08 English... -
Page 6: Energy Label
1.3. ENERGY LABEL: E n e r g y Dishwasher Blands ARISTON Manufacturer Model Model LF 70 X EU More efficient Energy class Less efficient 1.05 Energy c o n s u m p t i o n kWh/cy c l e Energy consumption Kw/h - normal (based on test results for manufacturer’s standard cycle using coold fill) -
Page 7: Functioning
2. FUNCTIONING: 2.1. PROGRAMS: 2.1.1. PROGRAM SETTING: Procedura da eseguire: To set a program, follow this procedure: a. Select a program by pressing the relative button until the number of the program chosen appears on the display. b. Select other eventual wash options. c. -
Page 8: Program Table
2.1.3. PROGRAM TABLE: Ariston dishwashers are provided with an automatic system of filter cleaning, which could prolong the duration of programs. Detergent Program (A) = Wash dispenser Indications to Programs Pre-wash Drying length (B) = Pre-wash dispenser choose programs (degree of tolerance +- 10%) powder... -
Page 9: Function Setting
2.2. FUNCTION SETTING: DELAY TIMER: It is possible to delay the start of a program from 1 to 24 hours: 1. Press DELAY TIMER button: at every pressure the display visualizes the time selected and the led correspondent to the delay selected switches on. 2. -
Page 10: New Programs
2.3. NEW PROGRAMS: Program no. 4 - FAST: It is like the traditional FAST program, but it does not accept the HALF LOAD and “4 in 1” functions, to assure detergent melting. Program no. 6 - BABY: Seven Digit dishwasher has a new program, called “BABY”; it is a hygienic cycle to wash nursing-bottle, teats, dishes, cups, glasses, cutlery and all things used by children The handbook recommends to load crockery on the upper basket, but it is important to know that this cycle puts on both the basket and it is not compatible with Half Load function. -
Page 11: Other Innovations
2.3. OTHER INNOVATIONS: -- The electronics of this appliance permits the if the machine does not warm up, before signalling board RESET without unplugging the machine. any problem in the heating circuit, it performs a control on the pressure switch. If the pressure To reset the appliance, press Power On + P switch is in “empty”... -
Page 12: Components
3. COMPONENTS: The new heater is 1800 Watt - powered (the old one: 2040 Watt) and operates at a tension equal to 230 Volt and 7,8 Amp, at a resistance equal to 29,4 Ohm. Heater Moreover the pump is shielded by an automatic- restoration thermal protector, which operates in case of overheating or blockage of the pump. -
Page 13: Wiring Diagrams
4. WIRING DIAGRAMS AND CONNECTIONS: Service Manual Edition Language Seven Digit - 2005 2005.07.08 English... -
Page 14: Technical Assistance
5. TECHNICAL ASSISTANCE: 5.1. DEMO MODE: Seven Digit washing machine is provided with the Demo Mode function. To select it, press and hold Power On + Start + Delay simultaneously for 5 seconds, with the machine on; the display shows the message “dOn”... -
Page 15: Rod And Sat Testing Cycle
5.3. ROD AND SAT TESTING CYCLE: START OF A LONG TESTING CYCLE Drain V + 0 sec. Reading of turbidity sensor and pressure switch in empty state. 3.1. If it read a max turbidity value (clean, connected), it turns on the Rinse Aid led up to the end of the cycle. - Page 16 15.2 Activation of Half Load solenoid valve 15.3 Activation of wash pump - 90 seconds 15.4 Checking the state of HIGH PRESSURE sensor 15", (washing only on the upper basket) (it must be off) If high pressure sensor is on, Half Load solenoid valve does not work, the dw is in filter cleaning alarm Probable defect: faulty Half Load solenoid valve, cables disconnected 15.5 Deactivation of wash pump and Half Load solenoid valve...
- Page 17 24. WASH MOTOR on, 1 minute of preparation to filling. In case it fills a quantity higher than 6 litres, the dw is in filter cleaning Probable defect: faulty pressure switch, cables disconnected/inverted. 25. Activation 10"sec. of HEATER 26. Activation 10"sec. of ELECTRO-DISPENSER 27.
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Page 18: Fault & Solutions
5.3. FAULT ANALISYS AND SOLUTIONS: POSSIBLE FAULT ALARM ALARM Leakage from the hydraulic system (dw OVERFLOW (water leakage/overflow in basin) equipped with turbidity sensor, check if red/black (9 sec.) terminals on the connector are shock-circuited) Faulty drain pump, wires detached or false Max time to reach drain min.;... -
Page 19: Trouble Shooting
5.4. TROUBLE SHOOTING: PROBLEM ANALISYS - Check the socket. - Verify if the door closes the safety switch. It does not switch on - Door micro door-lock - Display board - Tap closed or low pressure It does not fill itself with wa- - Solenoid valve clogged - Solenoid valve not supplied It continuously fills itself with water... -
Page 20: Assembly/Disassembly
5.4 ASSEMBLY/DISASSEMBLY: Demounting the machine, its functional components are the same, therefore we are documenting only the components which have been modified in their characteristics or in their position inside the machine. Disassembly of the Main board: 5. Disconnect the cable under the motor room. 1. - Page 21 Disassembly of the Display board: 3. Remove two screws fixing the main board. 1. Remove the screws around the front panel. 2. Unfasten the front panel by pulling it forward carefully. 4. Disconnect the cable. Disassembly of the NTC 1. Remove two screws fixing the plinth. 2.
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Page 22: Exploded View
6. EXPLODED VIEW: Cabinet. Ref. Item Ref. Item 000 HANDBOOK IT-EN-FR-ES 020 LOWER BASKET WHEEL 001 LEFT SIDE PANEL WHITE 27 021 INTERMEDIATE UPPER SUPPORT 002 BACK PANEL POLIONDA 022 UPPER LOWER CROSSBAR ACQUASTOP 003 BACK UPPER SUPPORT ‘LS COM’ 023 STOPPER DRAIN TUBE ‘LVS 2000’... - Page 23 EXTERNAL DUCT ASSEMBLY. Ref. Item Ref. Item 001 EXTERNAL DUCT ASSY (HIDDEN HEATER) EVO3 029 DOUBLE SOLENOID VALVE EVO3 002 CAP BASKET SLIDE ‘LVS 2000’ 030 COVER DOUBLE SOLENOID VALVE 003 RING NUT FIXING EXT. DUCT UPPER WASH ARM 033 HALF LOAD SOLENOID VALVE ‘LVS2000’ 004 SUPPLY DISPENSER ASSY EVO3 034 FEMALE SCREW ASSY ‘LVS 2000’...
- Page 24 DRUM ASSEMBLY. Ref. Item Ref. Item 001 INNER DOOR ASSY L.I. MARKII 017 RING NUT HINGE PIN LVS2000 D=6MM 004 ELECTR. DETERGENT + RINSE AID REED 018 HINGE PIN ‘LS615ST’ 005 MICRO-SWITCH LOCK UNIT 019 LEFT HINGE ITEM ‘LVS2000’ 006 LOCK UNIT DOOR EVO3 020 DOOR SPRING EVO3 007 START BUTTON WHITE 27 021 TUBE HINGE SPRING...
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Page 25: Exploded View
WIRING EXPLODED VIEW. Ref. Item Ref. Item 007 MODULE-ELECTRO-DISPENSER WIRING 001 DISPLAY-MODULE WIRING 008 MODULE-ELECTRO-PUMP WIRING 002 MODULE-PRESSURE SWITCH-HEATER WIRING 009 ELECTRO-PUMP-HINGE BAR WIRING 003 MODULE-DOOR MICRO-SWITCH WIRING 010 MODULE-DRAIN PUMP-FLOAT WIRING 004 MODULE-SOLENOID VALVE WIRING 011 MODULE-TURBINE WIRING 005 MODULE-POWER SUPPLY-EARTH WIRING Service Manual Edition Language... -
Page 26: Appendixes
7. APPENDIXES: Difference between normal intensive program and “4 in 1” intensive one Intensive 64°c 66,5°c 5' asc.s/h2o x 5' 2'+6' 2'+4' brill RIG. 2'+1' asc.s/h2o x 20' resine x4' “4 in 1” intensive 64°c 70°c 5' asc.s/h2o x 5' 2'+6' 2'+4' brill... - Page 27 Difference between normal eco program and “4 in 1” one 48°c 67°C asc.c/h2o x 5' 2'+4' brill. asc.s/h2o x 30' apertura dispenser resine 4' “4 in 1” eco 55°C 55° 55°C 70°c 70° 70°c asc.c/h2o x 5' 2'+4' brill. asc.s/h2o x 30' apertura dispenser resine 4' Difference between normal stemware program and “4 in 1”...
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Page 28: Half Load
Difference between normal Auto Duo Wash and “4 in 1”Auto Duo Wash Auto Duo Wash 65°c asc. C/h2o x5' 52°c 45°c 36°C+30''mant asc.s/h2o x20'c/vent 2'+1' brill resine5' colpi di calore per 3' “4 in 1” Auto Duo Wash 70°c 70° 70°c asc. - Page 29 Indesit Company viale Aristide Merloni, 47 60044 Fabriano - Italy tel. +39 0732 66 11 - telex 560196 - fax +39 0732 66 2954 - www.indesitcompany.com Service Manual Edition Language Seven Digit - 2005 2005.07.08 English...
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