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Frigidaire FKCH17F7HW Technical & Service Manual

Frigidaire FKCH17F7HW Technical & Service Manual

Convertible refrigerator / freezer
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ELECTROLUX MAJOR APPLIANCES OF NORTH AMERICA
Technical Service Manual
Convertible
Refrigerator / Freezer
Model FKCH17F7HW
REFRIGERATOR/FREEZER SERVICE MANUAL #5995519443
2008 ALL RIGHTS RESERVED

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Summary of Contents for Frigidaire FKCH17F7HW

  • Page 1 ELECTROLUX MAJOR APPLIANCES OF NORTH AMERICA Technical Service Manual Convertible Refrigerator / Freezer Model FKCH17F7HW REFRIGERATOR/FREEZER SERVICE MANUAL #5995519443 2008 ALL RIGHTS RESERVED...
  • Page 3: Basic Information

    Basic Information Section 1 Basic Information...
  • Page 4: Table Of Contents

    Basic Information Section 1 - Basic Information ......1-1 Charging the System ..........3-10 Preparing the Charging Cylinder ......3-10 Table of Contents ............ 1-2 Final Leak Test ............3-11 Safe Servicing Practices ........1-3 Verify Refrigerant Type in the System ....3-12 Product Features ............
  • Page 5: Safe Servicing Practices

    Basic Information Safe Servicing Practices Section 5 - Troubleshooting ......5-1 Troubleshooting Chart .......... 5-2 Avoid personal injury and/or property damage by Electronic Control Troubleshooting Chart .... 5-4 observing important Safe Servicing Practices. Following are some limited examples of safe Section 6 - Wire Diagrams ........
  • Page 6: Product Features

    Basic Information Product Features Frigidaire refrigerator/freezers are designed for optimal convenience and storage flexibility. Use the illustration below to familiarize yourself with product features and terminology.
  • Page 7: Door Storage

    Basic Information Door Storage Door bins, shelves, and racks are provided for convenient storage of jars, bottles, and cans. Frequently used items can be quickly selected. The dairy compartment, which is warmer than the general food storage section, is intended for short term storage of cheese,spreads or butter.
  • Page 8: Serial Plate

    Basic Information Serial Plate The serial plate is located inside the cabinet on the left sidewall. The technician should always refer to the serial plate to assure refrigerant type and quantity, as well as electrical ratings and operating pressures. (See Figures 1-5 and 1-6) Care and Cleaning •...
  • Page 9: Section 2 - Electronic Control

    Electronic Control Section 2 Electronic Control...
  • Page 10: Electronic Temperature Control

    Electronic Control Electronic Temperature Control The electronic temperature controls are located on the evaporator cover in the upper right hand corner. (See Figure 3-1) The rocker switch controlling the mode of operation is mounted to the top of the evaporator cover.
  • Page 11: Operation Of Electrical Control Components

    Electronic Control Operation of Electrical Control Components Freezer and Refrigerator Modules The modules, when selected by the rocker switch, control the temperature of the unit by an internal thermistor mounted on the circuit board. Each module has an individual service mode. Each module has the following connections to the rear of the circuit board: 1= Neutral 2= Not Used...
  • Page 12: Service Diagnostic Mode

    Electronic Control Service Diagnostic Mode Initiate Service Mode The refrigerator and freezer controls have individual service modes. Each control assembly has a thermistor embedded on the electronic control assembly circuit board. To initiate service mode for the refrigerator or freezer control, set the control to “4” then press and hold the UP and DOWN buttons for 3 seconds until the display changes to "8".
  • Page 13: Error Indication

    Electronic Control Error Indication The following error conditions are monitored by each electronic control assembly: 1. Thermistor open or shorted. A defective thermistor will require that the affected electronic control assembly be replaced. 2. Stuck Key (the key appears to be pressed for longer than 30 seconds). 3.
  • Page 14 Electronic Control Notes...
  • Page 15: Section 3 - Refrigeration System

    Refrigeration System Section 3 Refrigeration System...
  • Page 16: Definitions

    Refrigeration System Safety Warnings Instructions given here are furnished as a guide. Compressor Testing Persons attempting to use these instructions to make repairs to the sealed refrigeration system Whenever testing a compressor, extreme caution should should have a working knowledge of be used to prevent damaging the terminals.
  • Page 17: Soldering

    Refrigeration System Basic Components WEAR APPROVED SAFETY GLASSES WHEN The basic components of a refrigerator/freezer are a WORKING WITH OR ON ANY PRESSURIZED compressor, condenser, evaporator, heat exchanger SYSTEM OR EQUIPMENT. HAVE AN APPROVED (capillary tube and suction line) and drier. DRY TYPE FIRE EXTINGUISHER HANDY WHEN USING ANY TYPE OF GAS OPERATED TORCH.
  • Page 18: Low/High Side Leak Or Undercharge

    Refrigeration System Low/High Side Leak or Undercharge Testing for Refrigerant Leaks A loss of refrigerant can result in any of the following: The line piercing valve (clamp-on type) should be used for test purposes only. It must be removed 1. Excessive or continuous compressor operation. from system after it has served its purpose.
  • Page 19: To Flush The System

    Refrigeration System To Flush The System To Use Refrigerant To Flush The System: Use extreme care when using Dry Nitrogen to Refrigerant used for flushing must be recovered flush systems. Pressure in nitrogen cylinder into a recovery system. Meter amount of could be as high as 2000 psi.
  • Page 20: Installing A New Compressor

    Refrigeration System Installing a New Compressor The following instructions are generalized to help the technician understand the procedures Entirely new compressors have been developed of sealed system repairs. See Section 5 for use with R-134a and Ester oil refrigeration Component Teardown on the exact steps of systems.
  • Page 21: Condenser Replacement

    Refrigeration System 10. Reform both suction and discharge lines to align Condenser Replacement with new compressor. If they are too short, use additional lengths of tubing. Joints should overlap 0.5” to provide sufficient area for good solder joint. The following instructions are generalized to Clean and mark area where tubing should be cut.
  • Page 22: Filter-Drier Installation

    Refrigeration System Filter-Drier Installation Evaporator and Suction Line Replacement Any time the sealed system is opened and the refrigerant charge is removed, the liquid line filter-drier The following instructions are generalized to must be replaced and the system thoroughly evacuated help the technician understand the procedures before replacing refrigerant.
  • Page 23: Equipment Needed For Evacuation & Recharging

    Refrigeration System Equipment Needed for Evacuation & Recharging: Check the serial plate for the correct refrigerant type. It is extremely important to verify the type • Heated charging cylinder of refrigerant in the system before starting any sealed system repairs. •...
  • Page 24: Evacuating System

    Refrigeration System 7. Leak test low-side. Close compound gauge. Run compressor for a few minutes and leak test R-134A SYSTEMS ARE PARTICULARLY high-side. When leak is found, recapture refrigerant SUSCEPTIBLE TO MOISTURE CONTAMINATION using EPA approved recovery system. Repair and WHICH CAN ONLY BE PREVENTED BY go back to step 1.
  • Page 25: Final Leak Test

    Refrigeration System 10. Slowly open the high-side manifold gauge valve to Final Leak Test allow the compressor to remove any refrigerant 1. With the refrigerator turned OFF leak test all trapped in the high-side hose and the process low-side system components. fitting.
  • Page 26: Verify Refrigerant Type In The System

    Refrigeration System R-134a Refrigeration Systems Instructions given here are furnished as a guide. The sealed refrigeration system will consist of the same basic components being utilized in the R-12 systems. Persons attempting to use these instructions to make repairs to the sealed refrigeration system There is a 10% to 15% discharge pressure increase should have a working knowledge of refrigera- using R-134a, with a 5% to 10% decrease in suction...
  • Page 27: Water In The Refrigeration System

    Refrigeration System For example, hoses that were used for a refrigeration system operating on R-12 may contain small quantities of mineral oil which can block the capillary tube in a system operating on R-134a. As little as one milligram may be sufficient to cause a blockage. In addition, sealed system components that have been used with CFC systems must not be used with R-134a systems.
  • Page 28: Vacuum Pump Maintenance

    R-134a. Electrolux Home Products does not approve the use of the Sweep Charge for sealed system repair. This method of servicing sealed systems is often used to If you use a vacuum pump with mineral oil to repair products in the field.
  • Page 29: Leak Detection

    Refrigeration System Leak Detection Halogen-specific detectors use a specialized sensor that allows detection of compounds containing chlorine, R-134a system leaks can be pinpointed by means of an fluorine, bromine, and iodine without being activated by electronic leak detector or by bubble solution. other species.
  • Page 30: Refrigeration System

    Refrigeration System HFC-134a, CFC-12 Pressure Temperature Chart 3-16...
  • Page 31: Inhalation Toxicity

    Refrigeration System Inhalation Toxicity Spills or Leaks HFC-134a poses no acute or chronic hazard when it is If a large release of vapor occurs, such as from a large handled in accordance with DuPont recommendations spill or leak, the vapors may concentrate near the floor and when exposures are maintained at or below the or low spots and displace the oxygen available for DuPont Acceptable Exposure Limit (AEL) of 1,000 ppm...
  • Page 32: Combustibility Of Hfc-134A

    Refrigeration System Combustibility of HFC-134a Filling and Charging Operations HFC-134a is nonflammable at ambient • Before evacuating cylinders or refrigeration temperatures and atmospheric pressure. However, tests equipment, any remaining refrigerant should be have shown HFC-134a to be combustible at pressures removed by recovery system.
  • Page 33: Section 4 - Component Teardown

    Component Teardown Section 4 Component Teardown...
  • Page 34: Warnings And Cautions

    Component Teardown COMPONENT TEARDOWN This section explains how to access and remove components from a Frigidaire Refrigerator/Freezer, and has been arranged in such a way as to simulate which components would need to be removed first in order to gain access to other components.
  • Page 35: Exterior Components

    Component Teardown Exterior Components Handle Assembly Door Handle Removal Set Screw The door handle is secured to the door assembly with two set screws in the door handle that clamp the door handle to the handle mounting shoulder screws mount- ed on the door assembly.
  • Page 36: Door Stop

    Component Teardown Door Stop Removal Door Frame The door stop is mounted to the underside of the door Screws assembly and secured in position with two flat head screws. Door Stop To remove the door stop: 1. Remove door from unit. 2.
  • Page 37: Gallon Door Bin

    Component Teardown Gallon Door Bin Removal Bend In Here The gallon door bin has slots on each end that fit over molded slots in the door liner. To remove the gallon door bin, bend the inside lip of the gallon door bin away from the supports molded into the door liner while pulling out of the door.
  • Page 38: Door Switch

    Component Teardown Door Switch Removal Access Hole The door switch is mounted inside a hole in the cabinet base along the lower right hand side. (See Figure 5-10) Wire Terminals To remove the door switch: 1. Remove kickplate. Door Switch 2.
  • Page 39: Light Shield

    Component Teardown Crisper Cover Assembly Removal Crisper Cover Crisper Cover Support RH Support LH The crisper cover assembly slides into a slot formed in the left and right hand supports that are secured with Screws screws to the liner sidewall. Humidity To remove the crisper cover assembly: Control LH...
  • Page 40: Baffle Plate

    Component Teardown Baffle Plate Removal The baffle plate is secured with four retaining latches to slots in the compartment upper back wall. (See Figure 5-15) To remove the baffle plate, with one hand grab the baffle plate from the center and pull back while with the other hand, reach behind to disengage the retaining latches.
  • Page 41: Electronic Control

    Component Teardown Electronic Control Removal Control Switch Refrigerator Control The electronic control is secured to a housing with four retaining latches on the inside of the evaporator cover. Disconnect The housing has air holes for the thermistors mounted Here on the circuit board. To remove the electronic controls: 1.
  • Page 42: Defrost Thermostat

    Component Teardown Defrost Thermostat Removal Disconnect Here The defrost thermostat is secured with a retaining clip to the upper left corner of the evaporator assembly. To remove the defrost thermostat: Defrost 1. Remove the evaporator cover. Thermostat 2. Disconnect the defrost thermostat wire leads from the wire harness.
  • Page 43: Compressor Area Components

    Component Teardown Compressor Area Components Electrical Connection Power Cord Removal The power cord enters the compressor area on the Ground lower left side and is secured to the compressor Screw mounting plate with a P-clamp and screw. To remove the power cord: 1.
  • Page 44: Compressor

    Component Teardown Compressor Removal The compressor sits on four grommets and is secured Capacitor with four screws to the compressor mounting plate. Ground (See Figure 5-25 & 5-26 ) Wire To remove the filter-drier: 1. Pull unit from its installation position. 2.
  • Page 45: Drain Pan And Drain Pan Heater Loop

    Component Teardown Drain Pan and Drain Pan Heater Loop Removal Screws The drain pan heater loop is clamped to the drain pan with two brackets and secured with screws. The drain pan is secured with four screws to the underside of the unit frame.
  • Page 46: Condenser Service

    Component Teardown Condenser Service The condenser is foamed in place and is not accessible for repair. However, repair can be made by installing a service replacement condenser kit. Refer to the part list of the model being serviced for the correct kit part number.
  • Page 47: Section 5 - Troubleshooting

    Troubleshooting Section 5 Troubleshooting...
  • Page 48 Troubleshooting Cause Correction Problem Refrigerator/Freezer Use another circuit. Check circuit for proper Refrigerator/Freezer is plugged into a compressor does not run. voltage. circuit that has a ground fault interrupt. Set control to a temperature setting. Instruct Temperature control is in the "OFF" posi- customer.
  • Page 49 Troubleshooting Problem Cause Correction Louder sound levels Modern Freezers have increased storage This is normal. When the surrounding noise level is whenever capacity and more stable temperatures. low, you might hear the compressor running while it They require heavy duty compressors. Refrigerator/Freezer is on.
  • Page 50 Troubleshooting The following table relates to troubleshooting the electronic control and associated components. Cause Correction Problem Compressor and evapora- 1. Do any of the LED’s on the control Yes. Go to step 2. tor fan motor does not run. illuminate? No.
  • Page 51 Troubleshooting Problem Cause Correction Freezer does not 1. Program the control for a manual Yes. Replace electronic control. automatically defrost. defrost. Does the defrost operate? No. Go to step 2. 2. Disconnect the orange wire from the Yes. Replace electronic control. defrost thermostat and the white wire No.
  • Page 52 Troubleshooting Notes...
  • Page 53: Wiring Diagram

    Wiring Diagrams Section 6 Wiring Diagrams...
  • Page 54 Wiring Diagrams...
  • Page 55: Thermistor Resistance Chart

    Wiring Diagrams Thermistor Resistance Chart Temp °C Temp °F Nominal Resistance Max. Ohms Min. Ohms Tolerance Ohms % +/- 0° 32° 32,654 33,604.72 31703.29 2.91 -15° 5° 72,940 75,283.21 70,596.79 3.21 -20° -4° 97,060 100,283.44 93,836.56 3.32 -30° -22° 177,000 183,293.70 170,706.30 3.55...
  • Page 56: Section 7 - Installation Information

    Installation Information Section 7 Installation Information...
  • Page 57: Important Safety Instructions

    Caution indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. ELECTROLUX CANNOT BE HELD RESPONSIBLE FOR DAMAGE TO PROPERTY OR INJURY TO PERSONS CAUSED BY FAILURE TO COMPLY WITH THE INSTALLATION, MAINTENANCE AND SAFETY INSTRUCTIONS CONTAINED IN THIS SERVICE MANUAL.
  • Page 58 Installation Information DESTROY CARTON, PLASTIC BAGS, AND ANY EXTERIOR WRAPPING MATERIAL IMMEDIATELY AFTER THE REFRIGERATOR/FREEZER IS UNPACKED. CHILDREN SHOULD NEVER USE THESE ITEMS FOR PLAY. CARTONS COVERED WITH RUGS, BEDSPREADS, PLASTIC SHEETS OR STRETCH WRAP MAY BECOME AIR TIGHT CHAMBERS AND CAN QUICKLY CAUSE SUFFOCATION. A CHILD MIGHT SUFFOCATE IF HE CRAWLS INTO THE FREEZER TO HIDE OR PLAY.
  • Page 59: Location

    Installation Information Location 1. Choose a place that is near a grounded electrical outlet. Do Not use an extension cord or an adapter plug. 2. If possible, place the refrigerator/freezer out of direct sunlight and away from the range, dishwasher or other heat sources.
  • Page 60: Electrical Information

    Installation Information Electrical Information These guidelines must be followed to ensure that safety mechanisms in the design of this refrigerator/freezer will operate properly. Refer to the serial plate for correct electrical rating. The power cord of the freezer is equipped with at three- prong grounding plug for protection against shock hazards.
  • Page 61: Door Removal

    Installation Information Door Removal Hinge Cover For some installations it may be necessary to remove the door to fit through the entrance of the installation site. Hex Head To remove the door, follow the steps below. Screws 1. Make sure electrical plug is disconnected from the wall outlet.
  • Page 62: Model Fkch17F7Hwa Unit Dimensions

    Installation Information Model FKCH17F7HW Unit Dimensions ¾ ⅛ ⅛...
  • Page 63 Installation Information Notes...

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