Electrolux FKCH17F7HW manuale d’uso

REFRIGERA TOR/FREEZER SERVICE MANUAL #5995519443 2008 ALL RIGHTS RESERVED Convertible Refrigerator / Freezer Model FKCH17F7HW T echnical Service Manual ELECTROLUX MAJOR APPLIANCES OF NORTH AMERICA[...]

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Basic Information 1-1 Section 1 Basic Information[...]

Basic Information 1-2 Section 1 - Basic Information .............................. 1-1 T able of Content s .................................................... 1-2 Safe Servicing Practices ........................................ 1-3 Product Features .................................................... 1-4 Door S torage ............................[...]

Safe Servicing Practices A void personal injury and/or property damage by observing import ant Safe Servicing Practices. Following are some limited examples of safe practices: 1. DO NOT attempt a product repair if you have any doubts as to your ability to complete the rep air in a safe and satisfactory manner . 2. Always Use The Correct Replacement[...]

Basic Information 1-4 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 .[...]

Basic Information 1-5 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 . Adjust able Door Bins Some mode[...]

Basic Information 1-6 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 • Damp objects stick to cold met al surfaces. DO[...]

Electronic Control 2-1 Section 2 Electronic Control[...]

2-2 Electronic Control Electronic T emperature 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 . (See Figure 3-2) T emperature is factory preset to provide satisfactory f[...]

Operation of Electrical Control Component s 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[...]

2-4 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. T o initiate service mode for the refrigerator or freezer control, set the control to “4” then press and hold [...]

2-5 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. S tuck Key (the key appears to be pressed for longer than 30 seconds). 3. Low V oltage (AC line vol[...]

2-6 Electronic Control Notes[...]

3-1 Refrigeration System Section 3 Refrigeration System[...]

3-2 Refrigeration System Instructions given here are furnished as a guide. Persons attempting to use these instructions to make rep airs to the sealed refrigeration system should have a working knowledge of refrigeration and previous training on sealed system rep air , and an EP A certification for servicing refrigeration systems. The use of recove[...]

1. All joints to be soldered must have proper fit. Clearance between tubes to be soldered should be from .001” to .006”. It is not practical to actually measure this; however , you do not want a dry fit or loose fit. T ubing joints should overlap about the distance of their diameter except for restrictor tubes, which should be inserted 1.25”.[...]

3-4 Refrigeration System Low/High Side Leak or Undercharge A loss of refrigerant can result in any of the following: 1. Excessive or continuous compressor operation. 2. Above normal refrigerator/freezer compartment temperature. 3. A partially frosted evaporator (depending on amount of refrigerant loss). 4. Below normal refrigerator/freezer compartm[...]

3-5 Refrigeration System T o Flush The System T o Use Dry Nitrogen T o Flush The System: 1. Remove compressor and filter-drier . Connect process coupling to outlet tube of condenser . 2. Fasten cloth over other end of coil to prevent old oil from spraying over room. 3. Connect hand shut-off valve on flushing hose to process coupling. 4. Slowly open[...]

A new compressor which is cold (e.g. after having been kept in a cold service van) should be left to warm to the surrounding temperature before the plugs on the compressor connections are removed. This will help prevent condensation from forming in the oil and the compressor . Also, avoid opening the system when any of the components or lines are c[...]

Condenser Replacement 1. Disconnect electrical supply to refrigerator . 2. Remove compressor access panel. 3. Recover refrigerant by using EP A approved recovery system. 4. Remove condenser fan mounting screws. 5. Unplug fan motor harness located in back of fan motor . 6. Remove fan motor and fan blade. 7. After refrigerant is completely recovered,[...]

Filter-Drier Inst allation Any time the sealed system is opened and the refrigerant charge is removed, the liquid line filter-drier must be replaced and the system thoroughly evacuated before replacing refrigerant. 1. Disconnect electrical supply to freezer . 2. Recover refrigerant by using EP A approved recovery system. 3. Using a 3 cornered file,[...]

3-9 Refrigeration System Equipment Needed for Evacuation & Recharging: • Heated charging cylinder • S t andard 3-port manifold gauge set: - 4 charging hoses - T ee fitting with valve core stem removed (Robinair No. 40396) - Hand shut-off valve (Robinair No.40380) • T wo stage vacuum pump • Process tube adapter kit (Robinair No.12458) ?[...]

3-10 Refrigeration System Evacuating System T o achieve the required levels of evacuation, a properly maintained two st age vacuum pump in good condition is required. It is absolutely essential to maintain your vacuum pump according to the manufacturer ’s instructions including required oil changes at the recommended intervals. V acuum pump oil s[...]

3-11 Refrigeration System 10. Slowly open the high-side manifold gauge valve to allow the compressor to remove any refrigerant trapped in the high-side hose and the process fitting. 1 1. Close both of the manifold gauge valves. If the high-side gauge reading rises, the pinch-off must be corrected before proceeding. 12. Remove the high-side process [...]

3-12 Refrigeration System V erify Refrigerant T ype In The System Dedicated Equipment R-134a must not be mixed with other types of refrigerants. R-134a must be recovered in dedicated and properly identified recovery bags and tanks. It will be necessary to check with the manufacturer of your recovery equipment to determine R-134a compatibility . Som[...]

3-13 Refrigeration System T o achieve the required 29.9 inch (500 micron) vacuum, a properly maintained two-st age vacuum pump in good condition is required. A two stage pump can reach a deeper vacuum than a single stage because the exhaust from the first pumping stage is discharged into the second pumping stage. This means the second stage begins [...]

3-14 Refrigeration System V acuum Pump Maintenance It is absolutely essential to maintain your vacuum pump according to the manufacturer ’s instructions including required oil changes at the recommended intervals. V acuum pump oil should always be changed after evacuating a contaminated system. V acuum pump performance should be checked periodica[...]

3-15 Refrigeration System Leak Detection R-134a system leaks can be pinpointed by means of an electronic leak detector or by bubble solution. Electronic leak detectors for R-134a service are currently available from several manufacturers. The least expensive models are non-selective detectors that will detect any type of emission or vapor present, [...]

3-16 Refrigeration System HFC-134a, CFC-12 Pressure T emperature Chart[...]

3-17 Refrigeration System Inhalation T oxicity HFC-134a poses no acute or chronic hazard when it is handled in accordance with DuPont recommendations and when exposures are maintained at or below the DuPont Acceptable Exposure Limit (AEL) of 1,000 ppm (8 and 12 hour T ime-Weighted Average or TW A). An AEL is an airborne exposure limit established b[...]

3-18 Refrigeration System Combustibility of HFC-134a HFC-134a is nonflammable at ambient temperatures and atmospheric pressure. However , tests have shown HFC-134a to be combustible at pressures as low as 5.5 psig (139.3 kPa absolute) at 177°C (350°F) when mixed with air at concentrations generally greater than 60% volume air . At lower temperatu[...]

4-1 Component T eardown Section 4 Component T eardown[...]

4-2 Component T eardown - Met al edges may be sharp. Use caution and wear appropriate safety equipment when servicing evaporators and condensers to avoid personal injury . - If working in the compressor area, remember that compressor and tubing may be hot. - IF IT IS NECESSAR Y TO REMOVE AN REFRIGERA TOR/FREEZER UNIT FROM ITS INST ALLA TION, USE PR[...]

4-3 Component T eardown Exterior Component s Door Handle Removal 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 . (See Figure 5-1) T o remove the door handle: 1. Using a 3/32” allen wrench, extract the set screw[...]

4-4 Component T eardown Figure 5-6. Inner Panel and Door Gasket Removal Door Stop Removal The door stop is mounted to the underside of the door assembly and secured in position with two flat head screws. T o remove the door stop: 1. Remove door from unit. 2. Extract the two screws securing the door stop to the bottom of the door assembly . (See Fig[...]

4-5 Component T eardown Figure 5-8. Control Removal Gallon Door Bin Removal The gallon door bin has slots on each end that fit over molded slots in the door liner . T o 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 . (See Figure 5-7) T wo Liter [...]

4-6 Component T eardown Figure 5-10. Door Switch Removal Figure 5-1 1. Glass Shelf Assembly Removal Door Switch Removal The door switch is mounted inside a hole in the cabinet base along the lower right hand side. (See Figure 5-10) T o remove the door switch: 1. Remove kickplate. 2. Reach into the access hole next to the door switch and disconnect [...]

4-7 Component T eardown Crisper Cover Assembly Removal The crisper cover assembly slides into a slot formed in the left and right hand support s that are secured with screws to the liner sidewall. T o remove the crisper cover assembly: 1. Remove crisper drawers from unit. 2. Reach under the crisper cover and lift up on the crisper cover glass inser[...]

4-8 Component T eardown Baffle Plate Removal The baffle plate is secured with four ret aining latches to slots in the comp artment upper back wall. (See Figure 5-15) T o 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. Evaporator Co[...]

4-9 Component T eardown Electronic Control Removal The electronic control is secured to a housing with four retaining latches on the inside of the evaporator cover . The housing has air holes for the thermistors mounted on the circuit board. T o remove the electronic controls: 1. Remove or pull back evaporator cover to access the controls. 2. From [...]

4-10 Component T eardown Defrost Thermost at Removal The defrost thermostat is secured with a ret aining clip to the upper left corner of the evaporator assembly . T o remove the defrost thermostat: 1. Remove the evaporator cover . 2. Disconnect the defrost thermostat wire leads from the wire harness. (See Figure 5-20) 3. Pull the defrost thermosta[...]

4-11 Component T eardown Figure 5-24. Filter-Drier Removal On R-134a systems, the system must NOT be lef t open to the atmosphere for more than 10 minutes to prevent moisture cont amination of compressor oil. Cut Here Cut Here Compressor Area Component s Power Cord Removal The power cord enters the compressor area on the lower left side and is secu[...]

4-12 Component T eardown Compressor Removal The compressor sits on four grommet s and is secured with four screws to the compressor mounting plate. (See Figure 5-25 & 5-26 ) T o remove the filter-drier: 1. Pull unit from its inst allation position. 2. Extract the screws securing the compressor shield to the unit frame and remove from unit. 3. U[...]

4-13 Component T eardown Drain Pan and Drain Pan Heater Loop Removal The drain pan heater loop is clamped to the drain p an with two brackets and secured with screws. The drain pan is secured with four screws to the underside of the unit frame. T o remove the drain pan heater loop: 1. Pull unit from its inst allation position. 2. Using a short phil[...]

4-14 Component T eardown 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 . Each service replacement condenser kit consists of a condenser assembly th[...]

5-1 T roubleshooting Section 5 T roubleshooting[...]

Refrigerator/Freezer is plugged into a circuit that has a ground fault interrupt. T emperature control is in the "OFF" posi- tion. Refrigerator/Freezer may not be plugged in, or plug may be loose. House fuse blown or tripped circuit breaker . Power outage. Room or outside weather is hot. Freezer has recently been disconnected for a period[...]

Modern Freezers have increased storage capacity and more st able temperatures. They require heavy duty compressors. Refrigerator/Freezer operates at higher pressures during the start of the ON cycle. Metal p arts undergo expansion and contraction, as in hot water pipes. Refrigerant used to cool Refrigerator/ Freezer is circulating throughout system[...]

5-4 T roubleshooting Compressor and evapora- tor fan motor does not run. Compressor does not run, but the evaporator fan motor does. Evaporator fan motor does not run,but the compressor operates. Electronic control display does not illuminate, but the freezer operates. The electronic control does not respond when the upper or down arrows are pushed[...]

5-5 T roubleshooting 1. Program the control for a manual defrost. Does the defrost operate? 2. Disconnect the orange wire from the defrost thermostat and the white wire from the defrost heater . Measure the resistance between the wire on the thermostat and the wire at the end of the heater . Is the reading about 25 omhs? 3. Disconnect defrost therm[...]

5-6 T roubleshooting Notes[...]

6-1 Wiring Diagrams Section 6 W iring Diagrams[...]

6-2 Wiring Diagrams 7 4 6 2 8 3 5 1[...]

6-3 Wiring Diagrams T emp °C T emp °F Nominal Resist ance Max. Ohms Min. Ohms T olerance 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 -40° -40° 336,000 349,139.51 322,860.49 3.91 Thermistor Resist ance Chart[...]

7-1 Section 7 Inst allation Information Inst allation Information[...]

7-2 Inst allation Information IMPORT ANT SAFETY INSTRUCTIONS Safety Precautions Do not attempt to install or operate this appliance until you read the safety precautions in this guide. Safety items throughout this guide are labeled with a W arning or Caution based on the risk type. W ARNING indicates a potentially hazardous situation which, if not [...]

7-3 Inst allation Information DESTROY CARTON, PLASTIC BAGS, AND ANY EXTERIOR WRAPPING MA TERIAL IMMEDIA TEL Y AFTER THE REFRIGERA TOR/FREEZER IS UNP ACKED. CHILDREN SHOULD NEVER USE THESE ITEMS FOR PLA Y . CARTONS COVERED WITH RUGS, BEDSPREADS, PLASTIC SHEETS OR STRETCH WRAP MA Y BECOME AIR TIGHT CHAMBERS AND CAN QUICKL Y CAUSE SUFFOCA TION. A CHIL[...]

7-4 Inst allation 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. 3. The refrigerator/freezer must be installed on a floor that is level a[...]

7-5 Inst allation 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[...]

7-6 Inst allation Information Door Removal For some installations it may be necessary to remove the door to fit through the entrance of the installation site. T o remove the door , follow the steps below . 1. Make sure electrical plug is disconnected from the wall outlet. 2. Gently lay freezer on its back on a sof t clean surface. 3. Lift plastic c[...]

7-7 Inst allation Information ⅛ ⅛ ¾ Model FKCH17F7HW Unit Dimensions[...]

7-8 Inst allation Information Notes[...]