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790 ACTIVE SMART

REFRIGERATOR FREEZER

517800

Содержание 790 Active Smart

Страница 1: ...790 ACTIVE SMART REFRIGERATOR FREEZER 517800...

Страница 2: ...2...

Страница 3: ...d by the reprint date and replaces any earlier editions Fisher Paykel Appliances Inc 27 Hubble Irvine California CA92618 USA Telephone 949 790 8900 Facsimile 949 790 8911 Fisher Paykel Appliances Ltd...

Страница 4: ...s Rail 19 5 4 4 Divider Partition 19 6 ELECTRONICS SECTION 20 6 1 Overview Function Description 20 6 1 1 Control Peripheral Functions 20 6 1 2 Power Control Module 20 6 1 3 Display Module 21 6 1 4 Doo...

Страница 5: ...mbient Heater T Model 37 7 12 Replacement Of Low Ambient Heater B Model 38 7 13 Replacement Of Low Ambient Heater B Model In Return Air Grill 38 7 14 Evaporator Replacement 38 7 15 Removal Of The FC E...

Страница 6: ...sulated ducted moulded polystyrene inner core FAN MOTORS DC 12 volt brushless variable speed fan motors for air circulation in both the FC and PC compartments EVAPORATOR Aluminium corrugated type moun...

Страница 7: ...odule Part No 881218 Part No 881218 Power Control Module Part No 884252 Part No 884252 Module Inverter Part No 884260 Part No 884260 SUCTION LINE ASSEMBLY Part Number 875113 874810 DEFROST ELEMENT Par...

Страница 8: ...T Top 6 Litreage of Cabinet Approximate total capacity 7 Type of System E Electronic N No Frost C Cyclic 2 3 Serial Number Identification The serial number consists of three letters and six digits an...

Страница 9: ...nd Safety When servicing products consider safety and health issues and requirements which must be adhered to at all times Specific safety issues are 1 Electrical safety 2 Electrostatic discharge 3 Mi...

Страница 10: ...t the appliance sits solidly on the floor Front and rear rollers are fitted ex factory Cabinet levelling can be done by adjustment of the front roller levelling wheel fitted ex factory See diagram 4 1...

Страница 11: ...uirements On all refrigerators and freezers it is important that an air gap is left around the product 2 inches clearance at top 1 inch clearance each side 4 3 Temperature Adjustment Refer DISPLAY MOD...

Страница 12: ...cold air into the provision compartment The amount of air is controlled electronically by two sensors which in turn regulate the speed of both PC and FC fans to maintain selected temperatures in each...

Страница 13: ...ous defrost history the number of door openings and the compressor run time are used to determine the interval between defrosting The typical time interval for defrosts is between 12 and 24 hours Howe...

Страница 14: ...cabinets The condenser then continues across the top front edge of the cabinet to form the right hand side condenser before entering the filter drier which is mounted vertically in the unit compartmen...

Страница 15: ...as the name suggests is both a filter and a drier Whenever a system is opened it is essential that the filter drier is replaced ALWAYS ensure that replacement filter driers are kept well sealed and ai...

Страница 16: ...ing the high side circuit to split the condenser into its 3 sections to locate which section is at fault Always ease the back panel away from the cabinet slightly before pressure testing the internal...

Страница 17: ...NDENSER LAY OUT 680 790 T MODELS CONDENSER WITH TUBE CROSS RAIL FROM BACK PANEL CONDENSER BACK PANEL CIRCUIT REMOVED FOR CLARITY ALL BRAZED CONDENSER JOINTS ARE EXTERNAL IN UNIT COMPARTMENT Diagram 5...

Страница 18: ...18 CONDENSER LAY OUT 680 790 B MODELS CONDENSER WITH TUBE CROSS RAIL FROM BACK PANEL CONDENSER ALL BRAZED CONDENSER JOINTS ARE EXTERNAL IN UNIT COMPARTMENT Diagram 5 4 2C...

Страница 19: ...he plastic cover in the centre 5 4 4 Divider Partition This is moulded in two outer pieces and has an inner polystyrene moulded duct assembly that is wax coated This provides a barrier between the FC...

Страница 20: ...s is defined below 6 1 2 Power Control Module This module is the electronic brain and control centre of the refrigerator It contains a microprocessor support circuitry and switching devices The power...

Страница 21: ...shown as a series of L E D lights on a thermometer symbol To adjust the temperature of the PC simply press the temperature up or down buttons to the appropriate setting Press the mode button on the l...

Страница 22: ...tor compartment temperatures via thermistors and the defrost cycle and from this information sends signals to the electronic module inverter to determine compressor speeds Whenever the compressor star...

Страница 23: ...inverter will break the current supplied to the control This fuse cannot be replaced in servicing 6 1 5 3 VCC Module Inverter Identification The module inverter has an identification label giving the...

Страница 24: ...ted on the evaporator chassis This sensor must register 8o C 46o F before terminating the defrost heater element Previous defrost history the number of door openings and the compressor percentage run...

Страница 25: ...perature in the provision compartment above freezing The ambient heater is controlled by the power control module which runs the heater at 58 duty cycle to give 4 1 watts of heat This is achieved by t...

Страница 26: ...average speed used from the previous cycles under normal door openings and loading conditions During the off cycle of the compressor the PC fan will run at a very low speed to prevent air transfer in...

Страница 27: ...sensors are used for temperature measurement therefore once the temperature of the refrigerator has reached its set temperature the power control module will turn the compressor off Their electrical r...

Страница 28: ...lt audio alarm sounds as soon as the refrigerator is turned on or as soon as the doors are closed the service technician should wait for 20 seconds before opening the door to check the fault code This...

Страница 29: ...lay Code 9 Reason The resistance of the PC sensor is outside the normal range 45K Ohms Primary Action Check the sensor connection at the power module Secondary Action Replace the sensor Display Code 1...

Страница 30: ...he PC fan is drawing more current than expected Either the wiring is shorted or the fan is faulty Primary Action Check PC fan wiring and connections at both fan and power module Secondary Action Check...

Страница 31: ...played in a code form refer Section 6 2 3 Sensor Temperature Conversion 2 times Defrost sensor temperature The current defrost sensor temperature is displayed in a code form refer Section 6 2 3 Sensor...

Страница 32: ...eps are 1a Press and hold the MODE button a short beep will sound 1b Whilst still holding the MODE button briefly press the TEMPERATURE UP button a short beep will sound this enters diagnostic mode St...

Страница 33: ...beep sounds then the defrost cycle has started 3 To exit manual defrost mode turn the refrigerator off at the power supply and then while pressing the MODE button switch the refrigerator on again at t...

Страница 34: ...the compartment select MODE button for 10 seconds Note When in the special option mode the Active Smart will operate as normal without the above being used In normal operation the set temperature L E...

Страница 35: ...FC door closed and the PC door open then press any of the buttons on the user interface in the PC The power control module then knows that the reed switch that is open circuit is controlled by the PC...

Страница 36: ...is important that the fan sits central to the housing and that there is a loop in the fan motor wiring harness between the motor and the housing This loop should be on a horizontal plane to the fan mo...

Страница 37: ...o F they are not resettable 7 10 Replacement Of Interior Lamp 1 Unplug the refrigerator from the power supply 2 Remove the lens cover with the aid of a small flat bladed screwdriver 3 Remove the fault...

Страница 38: ...emoved 9 Take the replacement evaporator and fit it to the carrier fitting the defrost element assembly and the 2 heat shrink sleeving onto the pipes 10 Align the evaporator and joints ready to be sol...

Страница 39: ...ol can be used to release and remove the freezer compartment fan cover in the Active Smart T model refrigerators If preferred the tool can be made from a screwdriver with a shaft length of approximate...

Страница 40: ...nd braze this end off to totally seal the circuit Step 3 Connect a nitrogen bottle to the in line pressure gauge by means of a hose with a Schrader valve depressing key in the hose coupling Step 4 Ope...

Страница 41: ...and suction pipes on the compressor uppermost Refer diagram Diagram 7 17A Note We mark all our refrigerator and freezer cartons with a number of stars on one side of the carton If the product is to b...

Страница 42: ...42 8 WIRING DIAGRAM...

Страница 43: ...o plug Check polarity Check for broken wires Check fan is not jammed with ice or anything else Replace fan PC fan upside down Fan hub to be facing FC refit Return duct iced up De ice duct area behind...

Страница 44: ...play for any fault code Check defrost element continuity Put cabinet into manual defrost wait for defrost relay to click on 2 minutes after pressing buttons If no click check power control module If c...

Страница 45: ...touching Shift capillary from fan area make sure it is not touching any part of the cabinet Fan motor noisy Fit replacement Wires pulled tight Re route wiring ICE BUILD UP IN COMPARTMENT Doors sealing...

Страница 46: ...interface L E D s working If not check display module connection If OK is compressor running If not replace power control module PC delivery duct blocked De ice area behind chassis FC TOO COLD FC sens...

Страница 47: ...or and press compartment select button Poor connection Spread halogen bulb legs Check lamp holder replace where possible Check connector on display module CONSOLE NO L E D LIGHTS Power control module...

Страница 48: ...Has product been initialised Is there 12V DC between the power control module and the display module No Is there power to the power control module Are any L E D s on at the display module Is the compr...

Страница 49: ...replace faulty components Replace power control module Is there power to the refrigerator PC light L E D s on Repair fault in house wiring No Is there power to the house outlet socket Yes Yes No Repai...

Страница 50: ...available Refer to Section 10 10 Refer to Section 6 2 1 Repair or replace faulty components Are temperature settings correct Are temperatures of contents of PC FC OK Advise customer temperatures OK Ad...

Страница 51: ...y Is Smart Tool download available Refer to Section 6 2 1 Repair or replace faulty components Are temperature settings correct Check door gasket sealing is OK Install components correctly sealing any...

Страница 52: ...nts of PC frozen Is Smart Tool download available Refer to Section 6 2 1 Repair or replace faulty components Are temperature settings correct Check assembly of all ducts covers Check for blockages in...

Страница 53: ...e Repair or replace faulty components Check that drain is not blocked Are the door gaskets sealing correctly Explain to customer that some ice condensation is normal in heavy usage situations Is the p...

Страница 54: ...tialised Check is light bulb OK With FC door closed and PC door open press Mode button Replace faulty component Repair Replace power control module Repair replace faulty component Refer to Section 9 8...

Страница 55: ...Tool data download will verify door switch failures by very high door open counts V actual openings Replace reed switch Repair Yes No Yes No Does FC door L E D switch on off as FC door is opened and...

Страница 56: ...ce faulty components Advise customer no fault found Check correct operation of defrost heater Check location of defrost sensor Check if door has been left ajar Yes No Repair replace faulty components...

Страница 57: ...play module illuminated Is refrigeration taking place With FC door closed and PC door open press Mode button Check for loss of gas leak or blockage Check for correct fitting of sensors Check sensor re...

Страница 58: ...here a full frost pattern on the evaporator Yes 10 12 Compressor Will Not Run And Is Hot To Touch 10 13 Compressor Electrical Tests OK Refit original electronic module inverter Are compressor winding...

Страница 59: ...peratures Check compressor and system for leaks blockage and repair as required Yes Yes No No No Remove FC cover Is there a full frost pattern on the evaporator Yes Should the compressor be running Ch...

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