GE GBSC0 Technical Service Manual Download

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GE Appliances

General Electric Company

Louisville, Kentucky 40225

31-9179

9179

20-, 22- and 23-cu. ft.

Bottom Mount Refrigerators

Technical Service Guide

December 2008

GE Consumer & Industrial

GBSC0
GBSC3
GDSC0
GDSC3
GDSL0
GDSL3
GDSS0

GFSF2
GFSL2
GFSS2
PDSF0
PFSF2
PDSS0
PFSS2

Summary of Contents for GBSC0

Page 1: ...mpany Louisville Kentucky 40225 31 9179 9179 20 22 and 23 cu ft Bottom Mount Refrigerators Technical Service Guide December 2008 GE Consumer Industrial GBSC0 GBSC3 GDSC0 GDSC3 GDSL0 GDSL3 GDSS0 GFSF2 GFSL2 GFSS2 PDSF0 PFSF2 PDSS0 PFSS2 ...

Page 2: ... avoid personal injury disconnect power before servicing this product If electrical power is required for diagnosis or test purposes disconnect the power immediately after performing the necessary checks RECONNECT ALL GROUNDING DEVICES If grounding wires screws straps clips nuts or washers used to complete a path to ground are removed for service they must be returned to their original position an...

Page 3: ...dure 35 Evaporator 33 Evaporator Fan 39 Freezer and Fresh Food Light Thermostats 39 Freezer Door or Drawer Handle 16 Icemaker 32 Icemaker Service Test Mode 56 Installation 8 Introduction 4 Main Control Board 46 Nomenclature 5 Overtemperature Thermostat 37 Refrigeration Components 30 Refrigeration System 30 Refrigerator Door Handle 15 Removing the Doors French Door Models 12 Removing the Freezer Dr...

Page 4: ...kly cool foods on some models Automatic Icemaker Produces 100 to 130 cubes in a 24 hour period on some models Door Alarm The door alarm will sound if any door is open for more than 2 minutes on some models Water Dispenser Chilled water is dispensed from the door or from the interior side wall of the refrigerator on some models Features may vary by model Introduction ...

Page 5: ...hite BB Black on Black CC Bisque SS Stainless Steel Model Year X 2008 Icemaker Exterior J External Water Dispenser 1 Year Filter Ice Maker Brand Product P Profile Configuration F French Door w FZ Drawer D FF Full Door w FZ Drawer Depth Power S Standard Depth Cubic Feet 20 22 cu ft Interior Features Shelves M Quick Space Shelves P F S F 2 M J X A W W Exterior F High Gloss Smooth S Stainless Steel E...

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Page 7: ...T 0 h PccT _c c aT_PXa P PY a P__ XP RT Ph aTbd c X _Tab P X Ydah P S _a _Tach SP PVT CWT P dUPRcdaTa a bT Ta RP c QT aTb_ bXQ T U a cWT X cTa_aTcPcX U cWXb X U a P cX a RP Xc Pbbd T P h XPQX Xch X R TRcX fXcW Xcb dbT dQ G A45A864A0C8 BHBC4 2 _aTbb a ST b 1CD Wa X X d 2 _aTbb a 2P_PRXch X RWTb 7V X X d 4 dP XiTS aTbbdaT 5 c B86 5 c B86 A45A864A0 C 270A64 A P ST b d RTb ST b d RTb 38B2 42C F4A 2 A3...

Page 8: ... hinge pin from the socket in the top of the door Carefully remove the door thimble D from 4 inside the socket This will be used again when reinstalling the door on the other side Remove the tape and tilt the door away from 5 the cabinet Lift the door off the center hinge pin Ensure that the plastic hinge pin thimble remains on the hinge pin or inside door hinge pin hole located in the bottom of t...

Page 9: ...5 16 in socket ratchet driver remove the screws from the bottom hinge bracket These will be reinstalled on the other side Continued next page Remove the button plug from the left side of the 4 door Remove the door thimble from the right side of the door Install the door thimble into the hole on the left and the button plug into the hole on the right Set the door on a non scratching surface with 5 ...

Page 10: ...ide A To install the bottom hinge and leveling leg Models with freezer door Using a 1 2 in socket ratchet driver install the 1 hinge pin and nut in the opposite hole on the hinge bracket with leveling leg Using a 5 16 in socket ratchet driver install the 2 hinge bracket with leveling leg on the left side of the refrigerator The pin will be toward the outside of the refrigerator Using a 5 16 in soc...

Page 11: ... place tighten the top hinge bolts Replace the hinge cover Remove the adhesive backing paper and align 4 the pins on the back of the badge with the holes in the door Apply pressure to the badge to ensure it sticks to the door Straighten the door and line it up with the center 2 hinge bracket Install the center hinge pin with a 3 4 in socket ratchet driver Turn it until it extends through the hinge...

Page 12: ...e on the opposite door There are no wires water lines or center hinge covers on the opposite side Hinge Cover Top Hinge Removing the Doors French Door Models Important Once you begin do not move the cabinet Note Door swing is not reversible Unplug the refrigerator from its electrical outlet Empty all door shelves including the dairy compartment To remove the top door Tape the door shut with maskin...

Page 13: ...er line and 4 pin connector 6 Make sure the gasket on the door is flush against the cabinet and is not folded Make sure the door is straight and the gap between the doors is even across the front While holding the aligned door in place tighten the top hinge bolts Replace the hinge cover and screw Hinge Pin Bottom Left Hinge Pin Slot appearance may vary 4 Pin Connector Water Line Center Hinge Pin T...

Page 14: ...o their full length on 1 each side of the cabinet Locate the slots on the inside of the rail 2 assemblies near the back 3 Insert the hooks at the back of the drawer railings into the slots on the rail assemblies 4 Lower the front of the drawer making sure the tabs on the sides of the railings fit into the front slots in the rail assemblies Replace the screw on each rail assembly and 5 replace the ...

Page 15: ... sliding the handle A up and off of the mounting fasteners Reversing the plastic door handle on some models Note In the following step ensure the tab is installed underneath the top fastener Remove the handle mounting fasteners B with 1 a 3 16 in Allen wrench Transfer the handle mounting fasteners and tab to the right side Remove the logo badge 2 Remove and transfer the plug button to the left 3 s...

Page 16: ...nd plastic Attach the handle firmly to the mounting fasteners and tighten the set screws on the bottom of the handle with a 1 8 in Allen wrench Freezer Door or Drawer Handle To remove a freezer door or drawer handle stainless steel and plastic Loosen the set screws located on the underside of the handle with the 1 8 in Allen wrench and remove the handle Note If the handle mounting fasteners need t...

Page 17: ...he actual temperature To change the temperature press either the WARMER or COLDER touch pads until the desired temperature is displayed Once the desired temperature has been set the temperature display will return to the actual refrigerator and freezer temperatures after 5 seconds Several adjustments may be required Each time you adjust controls allow 24 hours for the refrigerator to reach the tem...

Page 18: ...emperature display will show After TurboCool is complete the refrigerator compartment will return to the original setting NOTES The refrigerator temperature cannot be changed during TurboCool The freezer temperature is not affected during TurboCool When opening the refrigerator door during TurboCool the fans will continue to run if they have cycled on About Door Alarm on some models The door alarm...

Page 19: ...m the end of the cartridge Lining up the arrow on the cartridge and the cartridge holder slowly rotate the cartridge clockwise until it stops When the cartridge is properly installed you will feel it click as it locks into place The grip on the end of the cartridge should be positioned vertically Do not overtighten Close the cartridge cover Run water from the dispenser for 3 minutes about 11 2 gal...

Page 20: ...ting to provide lower humidity levels recommended for most fruits Adjustable Temperature Deli Pan on some models When the pan is placed in the 2nd slot from the top of the track and the lever is set at COLDEST air from the freezer is forced around the pan to keep it very cold You can move the pan to any location if you don t want the extra cold storage The settings can be adjusted anywhere between...

Page 21: ...en replacing the deep full width basket Tilt the basket back and lower it down into the drawer Rotate the basket to a horizontal position and press it down into the 6 alignment tabs NOTE Always be sure that the basket is seated in all 6 slide bracket tabs before sliding back into the freezer The basket can be turned in either direction front to back and installed into the freezer To remove the hal...

Page 22: ... To access ice simply pull the bin forward To access ice Shelf Ice Bin To reach the power switch Shelf Ice Bin Icemaker Accessory Kit If your refrigerator did not come already equipped with an automatic icemaker an icemaker accessory kit is available at extra cost Check the back of the refrigerator for the specific icemaker kit needed for your model To Use the Dispenser on some models Press the gl...

Page 23: ...e refrigerator The bulb is located at the top of the freezer inside a light shield To remove the shield grasp the shield at the back and pull out to release the tabs at the back Rotate the shield down and then forward to release the tabs at the front of the shield After replacing with an appliance bulb of the same or lower wattage replace the shield Plug the refrigerator back in Middle Lights CAUT...

Page 24: ...erator utilizes an adaptive defrost cycle that operates a glass enclosed heater to remove frost from the evaporator The control board determines the length of time the heater is energized It does this by monitoring the adaptive defrost parameters utilized by the control board A bi metal safety thermostat provides a backup in the event the defrost system fails to terminate heater operation The safe...

Page 25: ...g at the top of fresh food compartment One of 2 different control panels is used for the GE models and a third type of control panel is used for the non dispenser Profile models French Door Model Water Filter Light Switch Light Switch Thermistor Location Damper Water Tank Light Light Light Articulating Mullion Track Control Panel Continued next page Profile models only GE models other than GBSC Pr...

Page 26: ... Water Valve Compressor Condenser Condenser Fan Dryer Freezer Compartment model PFSF2 shown Evaporator Defrost Heater recessed in bottom of evaporator Light Switch Thermistor Location Over Temperature Thermostat Evaporator Thermistor Icemaker Fill Tube ...

Page 27: ...10 K4 J7 J4 J3 J1 J2 K6 J13 J11 J8 J9 K3 J10 and J13 Earth Ground J8 Line L1 to AC Compressor J9 Defrost Heater Return Duct Heaters Over J11 Line L1 J7 Neutral External Dispenser Water Valve Fresh K3 Water K4 Defrost K6 Compressor Temperature Thermostat Food Lights and Thermostat Freezer Lights and Thermostat J4 LCD Board J3 Damper J1 Fresh Food Thermistor Freezer Thermistor J2 Evaporator Fan Cond...

Page 28: ...2 CON1 CON3 CON3 1 CON3 3 CON3 5 CON3 4 CON1 and CON2 Thermistor CON3 CON3 1 Neutral CON3 3 EMI Filter Refrigerator Compartment Light Freezer Compartment Light Icemaker CON3 4 Defrost Heater Return Duct Heaters CON3 5 Compressor Condenser Fan Evaporator Fan ...

Page 29: ...nel outlet through the fresh food compartment and return to the evaporator The damper is controlled by the main control board When open the damper allows the chilled air from the freezer to move into the fresh food compartment Air returns from the fresh food compartment to the freezer compartment via two vents located to the left and right of the electronic damper Model PFSF2 ...

Page 30: ...frigeration System Refrigeration Components Condenser Loop Evaporator Compressor Condenser Capillary Tube Dryer The dryer not shown is vertically positioned between the compressor and the condenser fan motor ...

Page 31: ...om of the old evaporator Transfer probe to similar location Install the new evaporator and tighten the 2 10 Phillips head screws Connect the evaporator inlet and outlet to the 11 suction line and capillary tubes Check that the thermal paste is still on the 12 suction line where it enters the rear wall of the freezer If not apply paste In addition apply thermal paste around epoxy joints on the new ...

Page 32: ...he support rail 4 Remove the vertical divider from the support rails a Remove the two 1 4 in hex head screws 1 on each side from the top rear of the vertical divider Continued next page b Release the front of the vertical divider by pressing down on the support rail while pressuring the front of the divider up c Carefully rotate the divider slightly counterclockwise to clear the tab from the notch...

Page 33: ...rder to access the evaporator Remove the icemaker if equipped See 1 Icemaker Note The evaporator fan cover is attached to the evaporator cover with a hex head screw and 4 tabs that engage slots in the evaporator cover 2 Remove the 1 4 in hex head screw from the fan cover 3 Using a small flat blade screwdriver carefully pry the bottom corners of the cover out and pull down the cover past the 2 prot...

Page 34: ...er is attached to the evaporator compartment with two 1 4 in hex head screws 3 bottom tabs and 5 snap tabs located on the back of the cover 10 Remove the two 1 4 in hex head screws from the evaporator cover 8 Pull out the wheel sprocket arm and wheel sprocket axel from the opposite drawer rail assembly 11 Pull the right side of the evaporator cover out then maneuver the left side out from the icem...

Page 35: ...s and nitrogen holding charge in some replacement parts Contact with these gases may cause injury 1 Attach the hose from the R 134a charging cylinder to the process tube port on the compressor 2 Evacuate the system to a minimum 20 in vacuum using the refrigerator compressor and recovery pump which is attached to the new drier assembly 3 Turn off the recovery pump Close the ball valve on the hose c...

Page 36: ...the 2 fresh food compartment return air ducts The heaters prevent water from freezing and blocking the airflow in the ducts Restricted ducts can cause warm fresh food temperatures See Airflow Return Duct Outlets The heaters operate with 120 VAC and each heater has an approximate resistance value of 440 Ω The heaters are in a parallel circuit consisting of 2 duct heaters and the defrost heater The ...

Page 37: ...ip Note To accurately test a thermistor place the thermistor in a glass of ice and water approximately 33 F for several minutes and check for approximately 16K Ω Fresh Food and Freezer Thermistors Model PFSF2 The fresh food thermistor is located in the left wall of the fresh food compartment The freezer thermistor is located in the right wall of the freezer compartment Note The fresh food and free...

Page 38: ...Food Thermistor Model GBSC0 The fresh food thermistor is located in the control housing in the fresh food compartment It is necessary to remove the control housing to access the fresh food thermistor See Control Housing Model GBSC0 Replacement Should a thermistor require replacement use plastic bell connectors part WR01X10466 Fill each connector with RTV102 silicone then splice a new thermistor in...

Page 39: ...the main control board Voltage output from the main control board to the fan is 13 6 VDC however to regulate the speed of the fan the main control board uses pulse width modulation PWM When operating voltage is sent in pulses much like a duty cycle as opposed to an uninterrupted flow This pulsing of 13 6 VDC produces effective voltage being received at the motor which is equivalent to a reduction ...

Page 40: ...d 9 5 VDC effective voltage for high speed The fan operates in low speed only when the fresh food thermistor is satisfied Note When testing these motors You cannot test with an ohmmeter DC common is not AC common Verify 2 voltage potentials a Red to white power for internal controller b Yellow to white power for fan Observe circuit polarity Motors can be run for short periods using a 9 volt batter...

Page 41: ...llel with the compressor and evaporator fan motor The AC DC condenser fan motor utilizes 115 VAC and operates when the compressor and evaporator fan motor are running Temperature can cause some fan speed variation Fan speed can vary 5 depending on the temperature with higher temperatures causing slightly higher speeds Condenser fan speed is controlled by Pulse Width Modulation PWM the same method ...

Page 42: ...at the top and 2 pins at the bottom that fit into the liner To remove the fresh food damper Remove the fruit and vegetable crisper drawers 1 and the crisper drawer cover and frame assembly Caution The glass inserted in the crisper drawer cover and frame may easily separate Care should be taken when removing the crisper drawer cover and frame assembly Remove the 1 4 in hex head screw from the top 2...

Page 43: ...erator compartment Place the damper duct outlet gasket between the back of the damper assembly and the back wall of the refrigerator compartment Damper Outlet to Refrigerator Air Vent Damper Inlet From Freezer Model GBSC0 A non motorized damper duct assembly is used to deliver airflow from the freezer into the control housing It is located on the back wall of the fresh food compartment behind the ...

Page 44: ... the control housing ensure the housing leg is placed in the top slot in the center track Screw Location Disconnect Slot Leg Air Control Model GBSC0 An air control is used to direct airflow to the refrigerator and freezer compartments It consists of a damper and damper shaft The damper is located on the back of the control housing and the damper shaft is attached to the inside of the control housi...

Page 45: ... the damper shaft from the 2 shaft guides Bar Clip Damper Shaft Guide Guide Shaft Retainer 5 Pull back and remove the damper and damper shaft from the housing Damper Note When installing the damper shaft to the shaft retainer make sure that the pin on the front of the shaft engages the slot on the back of the freezer temperature control knob Pin Slot Continued next page ...

Page 46: ...ry to remove the control housing See Control Housing Single Speed Compressor The compressor is a reciprocating type Refer to the mini manual for the BTU hour rating and the compressor capacity test specification To verify that the compressor is running WARNING During normal operation the single speed compressor may be hot Use caution to avoid injury and wear Kevlar gloves or equivalent protection ...

Page 47: ...ank The icemaker water line is routed from the water valve up the back of the refrigerator cabinet into the freezer compartment and into the icemaker The water tank line is routed from the water valve up the back of the refrigerator cabinet and into the fresh food compartment where it is attached to the water tank The water tank holds approximately 35 oz of water The door dispenser supply line is ...

Page 48: ...ent 3 Disconnect the water tank outlet tube from the union connector by pressing in the top collar and pulling out the tubing Union Connector Outlet Water Tube Top Collar Water Tank 4 Remove the six 1 4 in hex head screws and the machine compartment cover Note Water will remain in the tank and inlet tube even when the tank appears empty Use care to avoid water spills 5 Disconnect the water tank in...

Page 49: ...flush with the bottom of the collar Water Tank Inlet Tube Cover Black Mark Water Dispenser and Interface The water dispenser assembly incorporates the interface used for temperature control and features The interface has 2 tabs that hold it to the dispenser shield The tabs are located above 2 slots located behind the bottom of the interface To remove the water dispenser assembly Using a flat blade...

Page 50: ...ift and remove the spill shelf from the bottom of the recess Note The dispenser trim is held to the dispenser recess by 5 retaining tabs along each side and 2 at the top 6 Using your hands or a plastic putty knife carefully lift or pry the dispenser trim away from the dispenser recess Note The paddle switch is permanently attached to the back of the dispenser trim The trim and paddle switch are re...

Page 51: ...r Door Closed Pin in Track Door Opening Pin Exiting Track The articulating door mullion consists of the mullion heater internal spring and 2 hinges It is available only as an assembly Note If the Energy Saver light is lit then the heaters in the vertical and horizontal mullions are disabled The heater operates on 13 6 VDC when both doors are closed It is necessary to close the right side door and ...

Page 52: ...of the drawer with two T 20 Torx screws The lever interacts with the cam to complete the closing of the drawer A pair of pliers can be used to remove the spring from the hook The spring and lever can then be pulled out through the hole in the base channel Bottom of Drawer Cam Hook Spring Lever Roller EMI Filter Model GBSC0 The EMI Filter is accessed from the back of the refrigerator and is located...

Page 53: ...me out the test and return the refrigerator to the normal cooling mode FZ Display FF Display Mode Comments 0 1 Showroom Mode When activated a tone will sound briefly and the display will flash 1 time The cooling system stops operation All HMI functions will operate normally 0 2 Display Combined HMI Software Version Temperature to main controls communications test A coded software version is displa...

Page 54: ...h the Combined HMI and the Main board 1 6 Test Mode Exit Causes a soft reset to occur at the Combined HMI board Note This will not terminate test modes that the main board is maintaining as a result of the service diagnostics mode To terminate test modes Refrigerator Reset should be used 1 7 Degree C F Internal display model only Used to set the temperature unit of measure The current mode is disp...

Page 55: ...0 psig pH of 7 5 0 5 temp of 68 5 F 20 3 C Measurement in Particles ml Particles used were 0 5 1 microns NTU Nephelometric Turbidity units Operating Specifications Capacity certified for up to 750 gallons 2 838 l up to six months Pressure requirement 40 120 psi 2 8 8 2 bar Temperature 33 100ºF 0 6 38ºC Flow rate 0 5 gpm 1 9 lpm General Installation Operation Maintenance Requirements Flush new cart...

Page 56: ...maker will exit the service test on its own and enter the normal freeze cycle Icemaker Feeler Arm Power Switch Green Power Light Icemaker Service Test Mode The electronic icemaker has a service test mode that can be utilized by the service technician in order to test basic operation of the icemaker The service test mode consists of a harvest cycle followed immediately by a water fill The harvest c...

Page 57: ... 57 Schematic Continued next page Model PFSF2 R 4 0 7 S 6 0 7 ...

Page 58: ... 58 Model GBSC0 R 4 0 7 S 6 0 7 ...

Page 59: ...dental or consequential damages This warranty gives you specific legal rights and you may also have other rights which vary from state to state To know what your legal rights are consult your local or state consumer affairs office or your state s Attorney General Warrantor General Electric Company Louisville KY 40225 Staple your receipt here Proof of the original purchase date is needed to obtain ...

Page 60: ...ight bulbs Damage to product caused by accident fire floods or acts of God Loss of food due to spoilage Proper use and care of product as listed in the owner s manual proper setting of controls Product not accessible to provide required service WARRANTOR IS NOT RESPONSIBLE FOR CONSEQUENTIAL DAMAGES IMPORTANT Keep this warranty and your bill of sale as proof of original purchase and purchase date P...

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