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Hotpoint FDM550P Service Information

Freestanding dishwasher
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Service
Information
© 2010 Reg. Office: Peterborough PE2 9JB Registered in London: 106725
Indesit Company UK Ltd
5407485 Issue 3
Hotpoint
Freestanding
DISHWASHER
Model Covered
Hotpoint
Italian manufacture
FDM550P
FDM554P
Polish manufacture
FDM550P.R
FDM554P.R
June 2010
54445
63569
56396
64674

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  • Page 1 5407485 Issue 3 June 2010 Hotpoint Freestanding DISHWASHER Model Covered Hotpoint Italian manufacture FDM550P 54445 FDM554P 63569 Polish manufacture FDM550P.R 56396 FDM554P.R 64674 Service Information Indesit Company UK Ltd © 2010 Reg. Office: Peterborough PE2 9JB Registered in London: 106725...

  • Page 2: Table Of Contents

    General Dishwashing Information ........31 - 34 Production Changes DEA602 Power Module Introduced: FDM550P.R - from Serial Number 91231.9999 FDM554P.R - from Serial Number 91023.9999 Standby Function Added:...

  • Page 3: Technical Specifications

    Width 595 mm Depth 570 mm Weight 43 Kg Capacity 12 place settings - FDM550P + FDM550P.R 14 place settings - FDM554P + FDM5540.R Electrical Supply 230/240 Volts AC @ 50Hz Energy Consumption Standard Cycle: 1.08kW/h Water Consumption Standard Cycle: 15 litres...

  • Page 4: General Information

    Indesit Company GENERAL INFORMATION This model is a freestanding front loading dishwasher providing a choice of 5 wash programmes to suit load requirements. The Programme Selector, Option buttons and LED indicators are mounted on the front panel. There are "Low" warning LED’s mounted on the Console for Salt and Rinse Aid. Water hardness is adjusted by the user before the machine is first used.

  • Page 5: Console Panel

    Indesit Company CONSOLE PANEL ON-OFF/RESET BUTTON Press this button to switch the appliance on. To Re-set a programme that requires cancelling press and hold down the On-Off button. ON-OFF INDICATOR LAMP This Lamp shows that the Dishwasher is Switched on. START/PAUSE BUTTON Once the Programme and Options required have been selected.

  • Page 6: Programme Guide

    Indesit Company PROGRAMME GUIDE If the crockery is only lightly soiled or if it has been rinsed with water before being placed in the dishwasher, reduce the amount of detergent used accordingly. The number and type of wash cycles and options may vary depending on the dishwasher model. Detergent Wash Wash cycle...
  • Page 7 Indesit Company Programme Cycle Sequences Drying Drying Pre-wash Pre-wash Warm Cycle Wash Rinse 1 Rinse 2 WITH WITHOUT Rinse water water INTENSIVE 45°C 63°C Cold Cold 70°C 15 mins 20 mins NORMAL Cold 52°C Cold 70°C 18 mins 8 mins PREWASH Cold ECO*...

  • Page 8: Setting The Water Hardness

    Indesit Company SETTING THE WATER HARDNESS These models have 5 Water Hardness Settings to allow for the water supply where the machine is located. The Water Hardness Setting must be set: - before the machine is used for the first time (the factory default setting is 3) - if a new Module has been fitted or if the machine is moved to a different water area.

  • Page 9: Component Description

    FDM554P.R before Serial number 91023.9999, FDM550P.R before Serial number 91231.9999). DEA602 Module Used in production - FDM554P.R from Serial number 91024.0000, FDM550P.R from Serial number 00101.0000). The pressure and door switches and associated wiring are Low voltage (12 Volts and 10mA) with RAST 2.5 connector.
  • Page 10 Indesit Company Water Turbine This is situated at the bottom of the Air Break. Consisting of a fixed reed switch and a magnet fitted to an impeller. Unlike previous control systems, water fill is no longer dependant on the operation of the pressure switch.
  • Page 11 Indesit Company Heater The heater is encased in a metal housing with integral safety cut-out and fuse. It connects to the Circulating Wash pump housing via a bayonet fitting. Refer to the Circulating Wash Pump description. Circulating Wash Pump The motor used is a synchronous motor. The pump housing is connected to the water dispenser, which feeds the lower and upper spray arms.
  • Page 12 Indesit Company 6. Starts resin wash. Between 1 and 2 litres of water flow directly through the resins. (Inlet valve is on, regeneration valve is off. 7. Drains. Note: Regeneration time is hidden within the cycle so does not affect programme times.
  • Page 13 Indesit Company Drying The Natural Drying System uses Residual Heat and Rinse Aid to Dry loaded dishwasher. During the Drying Phase of the cycle the Water reaches a very high Temperature 70 ° C,. Drying is carried out in 2 steps both with the machine paused (Circulating wash pump off) 1.

  • Page 14: Fault Codes & Diagnostics

    Indesit Company FAULT CODES & DIAGNOSTICS If an error is detected in programme, the programme will be terminated and one of the following errors will be displayed using a combination of the programme LED’s on the console panel. The relevant LED(s) will flash in the event of a fault. The On/Off LED will also flash. Fig.
  • Page 15 Indesit Company Possible Reasons for Fault Code Displayed Note: - Always carry out an earth insulation test before using the fault guide, as an earth fault on a component or damaged wiring may display fault codes not related to the component signalled. If any earth faults are found on initial testing they must be rectified before using the fault code chart, to avoid erroneous codes being displayed.
  • Page 16 Indesit Company • Check the inlet valve coil (4k ohms approximately) and wiring to valve and edge connector on module. • Check the wiring and connector blocks to module, inlet valve and turbine. • If all above tests are OK, replace turbine or module as required. Aborts the cycle and energises the drain pump.
  • Page 17 Indesit Company Fault Notes It is recommended BEFORE a module is replaced or when the fault is not obvious, the heating element is tested for continuity and resistance to earth at its terminals, with the heater disconnected. • Blocked Filter There is NOT a fault code for a blocked filter.

  • Page 18: Test Programme

    Indesit Company Test Programme A short test programme is available. This test will display a previous fault code if there is one. The test will check many of the components and filling and if faulty, will display a fault code quicker than running a cycle.
  • Page 19 Indesit Company DEA602 Module - Auto Test Sequence All times are approximate. At each stage if "time out" occurs then a fault code will display, but if the task is completed within the correct time, the Test will move to the next task. Drain until empty + 15 seconds (90 second Time out, when fill time out alarm will display) Fill until Turbine registers 2 litres and Pressure Switch Full.

  • Page 20: Wiring Diagram - Models Fitted With Dea601 Power Module

    WIRING DIAGRAM - DEA 601 Module FDM550P, FDM550P.R, FDM550P before Serial No. 91231.9999 & FDM554P.R before Serial No. 91023.9999 NEUTRAL (CN01- 1) 220/240V LIVE (CN01- 2 ) TIMER DEA 601 50 HZ Door Switch LIVE SWITCHED (CN01-3 ) LIVE IP (CN01-4)

  • Page 21: Wiring Diagram - Models Fitted With Dea602 Power Module

    WIRING DIAGRAM - DEA602 Module FDM550P.R models from Serial Number 00101.0000 & FDM554P.R models from Serial Number 91024.0000 LINE (CN01-1) TIMER DEA602 NEUTRAL (CN01-2) RR T.F. (CN01-3) RR ITR (CN01-4) IN LINE SUPPRESSOR T.F. (206°) n.c. HEATER CN05 CN03 CN04...

  • Page 22: Power Module Photo

    WIRING DIAGRAM with module photo...

  • Page 23: Module Programming

    Indesit Company Module Programming The module will always be supplied without a programme when supplied as a spare part. NOTE: This board does not have a physically replaceable Eeprom. Programming Access Panel - situated beneath the Dishwasher Door. use a small flat bladed screwdriver to release the panel. Programming a Module: There are a number of ways the board can be programmed - some of which are not applicable to certain markets.
  • Page 24 Indesit Company PROGRAMMING (Using EMIT) These dishwashers can be programmed via the Emit, using a USB lead (Part number C00222800), Hardware key (Part number C00115587) & the Memwriter software. You MUST hold the Reader in place whilst programming is taking place. Select Memwriter programme.

  • Page 25: Dismantling Instructions

    Indesit Company DISMANTLING INSTRUCTIONS SAFETY NOTES:- 1. ENSURE THAT THE MACHINE IS UNPLUGGED BEFORE DISMANTLING 2. BEWARE OF SHARP EDGES ON METAL PANELS AND PRESSED PARTS. Access to all components are via the side panels, front plinth or the access panel in the base tray. Plinth and Side Cheek Assembly Fully open the Dishwasher Door Remove the screw securing each side cheek to the dishwasher cabinet.
  • Page 26 Indesit Company Power Module 1. Release front access flap as in E). and release harness retaining clip before hinging down. 2. Slide power module towards connections to release from access panel. 3. Note position and remove connections. 4. Release board from carrier. Note: A Service Module is supplied WITHOUT a programme loaded.
  • Page 27 Indesit Company H. Circulating Motor & Heater Hose 1. Remove base access panel as in G). Clips 2. Release 2 hose clips and hoses. 3. Ease motor towards front away from mounting bracket. 4. Separate motor from heater by twisting in a anti clockwise direction.
  • Page 28 Indesit Company Air-break & Turbine 1. Facing the front of machine remove l/h side panel as in D). 2. Unscrew the ring nut fixing the air-break to the D/W tank. 3. Disconnect flow meter wiring. 4. Lift air-break up and release from water softener.
  • Page 29 Indesit Company P. Display Board 1. Remove Outer Door panel C) 2. Remove Console Panel (6 screws) and disconnect wiring Harnesses. Noting Connector orientation and position. 3. Remove the Control Knob 4. Using a flat bladed screw driver, ease clips securing card cradle to console (see Figs. 2 + 3 below.) Fig.3 Fig.2...
  • Page 30 Indesit Company Note 2: Each NEW hinge is locked in position New hinges are supplied by a temporary pin. DO NOT REMOVE with a Temporary until BOTH hinges are fixed to the Locking Pin. Door and Dishwasher body. DO NOT REMOVE these pins until after full re-assembly.

  • Page 31: General Dishwashing Information

    Indesit Company GENERAL DISHWASHING INFORMATION NOTE: - Many faults occur over along period of washing incorrectly. Correcting faults may not immediately cure a problem, e.g. several washes may be necessary to give better results. POOR WASH RESULTS A variety of factors influence wash results and some of the more common are listed below. A.
  • Page 32 Indesit Company B. WHITE COATING ON DISHES AND INSIDE THE MACHINE White coating or scale Detergent not only loosens the remains of food but, together with the calcium salts in the water, forms water-soluble compounds which prevent the appearance of the white calcium coating or scale.
  • Page 33 Indesit Company E. POOR DRYING Correct amount of Rinse Aid The purpose of rinse aid when added to the water of a final rinse is to allow the water to run off the dishes as a complete film so that no water-run marks or calcium are left. To enable this to happen it is essential that the correct amount of rinse aid is dispensed.
  • Page 34 Indesit Company Nickel Silver (German Silver) is an alloy of copper, nickel and zinc, and when subjected to heat in dishwashing solutions the metal acquires a yellow colour. Maintaining this alloy in attractive condition requires frequent polishing and it should not be washed in a dishwasher. Pits and rust marks on stainless steel cutlery can usually be attributed to inferior quality stainless steel or the finished article not being highly polished during manufacture.
  • Page 35 Indesit Company Service Manual UK English 35 of 35...

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