GE GFE29HGDABB Page 130 Manual Download

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130

5/4/2012

Door Control Board Block Diagram

riv

Relay

Cup

Switch

Comm

Main Board

Ice Box

Thermistor

User Interface

Dispenser Water Valve

5 Volt

Regulator

Door IM Heater

Relays

Driver

Auger Motor

Door IM Rake Motor

Door IM Water Valve

Ice Mold

Thermistor

itc

Relay

Rake

Arm

Relay

Flow

meter

Ice Box gasket heater

Duct Door Motor

Vertical Mullion Heater

Recess / Duct Door

Heater

5VDC - Input

13.6 VDC -

Input

13.6 VDC from

Main Board

5 VDC

Door Fill Tube heater

Controller

Summary of Contents for GFE29HGDABB

Page 1: ...2012 French Door Refrigerator ...

Page 2: ...Louisville Built Bottom Freezer Refrigerator ...

Page 3: ...Large Stainless Steel Dispenser GE GE Profile GE Cafe ...

Page 4: ...Hands Free AutoFill Industry First ...

Page 5: ...Advanced filtration with Filter in the Door Industry First ...

Page 6: ...Temperature Controlled Drawer with Colored LED Lights ...

Page 7: ...Drop Down Tray ...

Page 8: ...Space Saving Icemaker ...

Page 9: ...Dual Icemakers ...

Page 10: ...Showcase LED Lighting ...

Page 11: ...TwinChill Evaporators ...

Page 12: ...tures Hands Free AutoFill Showcase LED Lighting Drop Down Tray Temperature Controlled Drawer Advanced Filtration with the Filter in the Door Space Saving Icemaker Large Sleek Dispenser TwinChill 3 Freezer Drawers ...

Page 13: ...ood door ice and water Electronic control deli pan 4 3 LCD door control Fresh Food 7 Pin Point LED lighting Fresh Food door ice and water 2nd icemaker in the freezer Mechanical control deli damper Segment LED door display Fresh Food 5 Pin Point LED lighting ...

Page 14: ...r the interpretation of this information nor can it assume any liability in connection with its use WARNING To 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...

Page 15: ...iant Prescription Safety Glasses Plano Type Safety Glasses Steel Toe Work Boot Electrically Rated Glove and Dyneema Cut Resistant Glove Keeper Brazing Glasses GE Factory Service Employees are required to use safety glasses with side shields safety gloves steel toe shoes for all repairs ...

Page 16: ...16 5 4 2012 ...

Page 17: ...17 5 4 2012 Fresh Food Section ...

Page 18: ...18 5 4 2012 Upper Hinge Cover Removal Remove three screws from the top hinge cover Open both fresh food doors to 90 Move the cover slightly forward to release the tabs from the hinges and slide back ...

Page 19: ...19 5 4 2012 Cabinet water tubing conduit Remove the hinge cover assembly and lay the cover back onto the cabinet to access the top hinge screws wiring and water tubing Fresh Food Dispenser Door Removal ...

Page 20: ...20 5 4 2012 Remove the tube clamp from the hinge Disconnect the top side of the quick connector located at the rear of the cabinet 15 down from the top Disconnect the Water Line ...

Page 21: ...ull the water line from the cabinet conduit Disconnect the wiring connectors and ground wire Remove the three 3 8 screws from the top hinge Lift the hinge bracket up to release and remove from the door Door Removal ...

Page 22: ...22 5 4 2012 Open the door to a 90 degree angle from the case and lift to remove the door from the lower hinge bracket Door Removal ...

Page 23: ...23 5 4 2012 Fresh Food Door Stop The door stop is held in place by two T20 screws ...

Page 24: ...24 5 4 2012 Fresh Food Door Closer The door closer is removed by first removing the door stop then the T20 mounting screw ...

Page 25: ...d Closer The door closer has a spring loaded pin The right hinge bracket mounted to the case has an adjustable set screw so the fresh food doors can be leveled If the left door needs to be raised shims will be available as a service part ...

Page 26: ...LED Lighting Two LEDs located in the bottom of the LEFT fresh food door illuminate the interior of the freezer when the freezer drawer is opened The LEDs are snapped into a bracket that is accessed by removing a T20 screw ...

Page 27: ...2012 Articulating Mullion The articulating mullion is mounted to the left fresh food door The mullion uses a 12 VDC heater operated by the door control board Operation is based on room temperature and humidity ...

Page 28: ...m Ambient Thermistor The room air thermistor is located in the cover on the top of the cabinet this thermistor is used to set the duty time of the sweat heaters and adjust the cooling system based on room temperature ...

Page 29: ...umidity Board R J 4 5 Ambient Thermistor Humidity Sensor J 4 The Zigbee board is located on the top of the case in the hinge cover It contains the sensor to monitor the humidity level of the room and the RJ45 connector for computer diagnostics ...

Page 30: ...30 5 4 2012 Fresh Food Cabinet Interior ...

Page 31: ...esh Food Cabinet Interior PFE29 WATER FILTER COLD AIR DISCHARGE MULLION STRIKE MULTIPLE PINPOINT LEDS ELECTRONIC CONTROL DAMPER AND FAN AIR DUCT ADJUSTABLE RIGHT LOWER HINGES SHIMS USED ON LEFT FRESH FOOD THERMISTOR ...

Page 32: ...esh Food Cabinet Interior GFE29 WATER FILTER COLD AIR DISCHARGE MULLION STRIKE MULTIPLE PINPOINT LEDS EVAPORATOR COVER MECHANICAL DAMPER AIR DUCT ADJUSTABLE RIGHT LOWER HINGES SHIMS USED ON LEFT FRESH FOOD THERMISTOR ...

Page 33: ... is still OK that LED will not be lit while the others will be dim When one LED fails completely none of the LEDs will light With a voltmeter 5VDC 20VDC can be read across the terminals of the completely failed LED assembly To remove the LED pry up at the rear and slide to rear to release the tab Each LED has a 2 pin connector for easy replacement ...

Page 34: ...34 5 4 2012 Air Flow ...

Page 35: ...35 5 4 2012 The Fresh Food thermistor is located in the ceiling and the freezer thermistor is located on the right hand side wall Fresh Food and Freezer Thermistors ...

Page 36: ...36 5 4 2012 The thermistor grille uses an alignment tab to ensure proper grille placement The grille also uses two snap tabs to lock it into the liner Thermistor Replacement ...

Page 37: ...or wiring as close to the thermistor as possible Strip the outer insulation from the thermistor case harness back 1 Strip the two internal wires back 3 16 for splicing GE Factory Service Technicians are required to always wear cut resistant gloves prior to commencing the repair Thermistor Replacement ...

Page 38: ...wiring 4 back from the thermistor and strip the wires back 3 16 Using two WR01X10466 splice the wiring After the splices are complete fill the bell connectors fully with WR97X163 silicone grease Note Service kit coming with heat seal connectors WR01X10466 Thermistor Splicing ...

Page 39: ...39 5 4 2012 Thermistor Splicing Snap the thermistor into the grill and place excess wiring into the thermistor pocket then snap the grille back into the liner taking note of the alignment pin ...

Page 40: ...onnector Remove the right vegetable bin Removing the electrical cover A will expose the electrical connector B for testing with a multi meter The fresh food fan operates at 3 speeds 1 LOW SPEED 2700 RPM 2 MEDIUM SPEED 3000 RPM 3 HIGH SPEED 3300 RPM Note Fan speed range of 1500 4100 RPM is acceptable Values are approximate and preliminary A B FAN color code RED 12vdc BLACK 12 VDC YELLOW PWM SPEED B...

Page 41: ...41 5 4 2012 Remove both vegetable bins and deli pan It is not necessary to remove the upper glass shelves Remove the Phillips screw on each side of the deli pan cover Deli Pan Cover Removal ...

Page 42: ...42 5 4 2012 Slide the front part of the deli pan cover forward Disconnect the electrical connector at the left slide assembly Deli Pan Cover Removal ...

Page 43: ...ontrolled by opening or closing the deli damper varying fan speeds and turning on a 5 watt heater as needed The consumer presses a single button tactile switch to scroll through the settings LEDs on the control will light the selected mode White LEDs will also light the pan area Colored LEDs will light the pan area on the Café models L e d s L e d L e d L e d L e d s Tactile Switch ...

Page 44: ...44 5 4 2012 Deli Pan Set Points The selections that show OFF are not available at the fresh food set points on the left Example is meat is not available when fresh food temp is set to 39 F or higher ...

Page 45: ...45 5 4 2012 Deli Pan Thermistor ...

Page 46: ...46 5 4 2012 Remove the screws from both of the deli pan slide assemblies Pull the assembly forward to disengage the tab from the wall liner post Deli Pan Slide Removal ...

Page 47: ...al deli damper is also located on the fresh food evaporator cover and is accessed the same way The damper is operated by a lever in the left slide assembly Moving the lever up closes the damper while moving it down opens it C L O S E O P E N C L O S E O P E N ...

Page 48: ...012 Fresh Food Evaporator Cover Remove the fresh food fan connector cover by pressing down at the upper right then slide it straight out Remove 5 Phillips screws 1 screw is behind the connector cover P R E S S ...

Page 49: ...ard Disconnect the fan and damper assembly connector Remove the gasket and Styrofoam retainer then remove the assembly from the evaporator cover FAN color code RED 12vdc BLACK 12 VDC YELLOW PWM SPEED BLUE RPM FEEDBACK HEATER DAMPER Fan speed range is 3000 6000 RPM Values are approximate and preliminary ...

Page 50: ...onnect the motor harness connector Pull the Styrofoam cover out from the lower left corner and remove Slide the fan assembly forward and out of the fan mounting bracket FAN color code RED 12vdc BLACK 12 VDC YELLOW PWM SPEED BLUE RPM FEEDBACK ...

Page 51: ...51 5 4 2012 Fresh Food Evaporator Thermistor The fresh food evaporator thermistor is mounted to the suction line its sole purpose is to monitor the evaporator temperature for defrost control ...

Page 52: ...e end plates It is a 165 watt glass tube radiant heater The heater can be dismounted by removing the center support Bend the tabs on the end plates inward then pull it down and forward There is a drip shield mounted just above the heater There is a 140 F safety thermostat in the neutral line of the heater circuit Note The evaporator is shown inverted for illustration ...

Page 53: ...53 5 4 2012 Freezer Interior ...

Page 54: ... Interior GFE29 ICE BOX AIR RETURN FREEZER FAN UPPER BASKET SLIDES LOWER BASKET SLIDES ICEMAKER FREEZER THERMISTOR UPPER BASKET SLIDES LOWER BASKET SLIDES Note PFE29 interior is the same but does not have freezer icemaker ...

Page 55: ...55 5 4 2012 Freezer Drawer Removal Open the drawer and remove three 3 8 screws from the left and right hand slides ...

Page 56: ... 5 4 2012 Lift the drawer front off of the slides releasing the two tabs from the slide tab slots GE Factory Service Technicians are required to lift with the legs and not the back Freezer Drawer Removal ...

Page 57: ...57 5 4 2012 Freezer Drawer Adjustment The adjustment knob s can be rotated to change the horizontal drawer plane ...

Page 58: ...he air flow The freezer fan will operate at 3 speeds with RPM feedback to the control The fan connector can be accessed for multi meter checks by removing only the grille 1 LOW SPEED 2200 RPM 2 MEDIUM SPEED 2400 RPM 3 HIGH SPEED 2500 RPM Note fan speed range is 1500 2900 RPM Values are approximate and preliminary ...

Page 59: ...59 5 4 2012 Freezer Fan Grille Removal Insert a screwdriver into the slot and pry down to raise the tab and release the grille The grille will now slide down to disengage the top tabs ...

Page 60: ...12 Freezer Fan Removal SLIDE RIGHT Flex the tab at the lower right to release the fan from the evaporator cover Slide the fan to the right to disengage the left retainer tabs Disconnect the electrical connector ...

Page 61: ...61 5 4 2012 Ice Box Air Flow SUPPLY AIR RETURN AIR RETURN AIR ...

Page 62: ...PM 2 MEDIUM SPEED 1700 RPM 3 HIGH SPEED 1800 RPM Note fan speed range is 1000 2500 RPM The ice box fan is located at the top left rear of the freezer above the evaporator The ice box fan circulates air into the left fresh food door ice box via ductwork foamed into the case The fan has 3 possible speeds depending on the ice box cooling temperature and is controlled by the main board Values are appr...

Page 63: ...er must be removed to access the evaporator cover Remove the 2 retainers by flexing them outward and pulling toward the front to release Slide the divider backward to disengage from the retainer mounted to the ceiling GFE29 icemaker must be removed see icemaker removal ...

Page 64: ... Remove the 2 Phillips screws at the top of the evaporator cover Push the cover up to release the tabs at the bottom then pull the bottom outward Disconnect the fan connector NOTE The freezer fan does not have to be removed from the cover ...

Page 65: ...65 5 4 2012 Evaporator and Ice Box Fan Ice Box Fan Freezer Evaporator Evaporator Thermistor ...

Page 66: ...66 5 4 2012 Freezer Evaporator Thermistor The freezer evaporator thermistor is mounted to the suction line The purpose of the thermistor is to monitor the evaporator temperature for defrost control ...

Page 67: ...att glass tube radiant heater The heater can be dismounted by removing the right end and center support Bend the tabs on the end plates inward then pull it down and forward There is a drip shield mounted just above the heater There is a 140 F safety thermostat in the neutral line of the heater circuit Note The evaporator is shown inverted for illustration Bend tab inward ...

Page 68: ...68 5 4 2012 Machine Compartment ...

Page 69: ...69 5 4 2012 INVERTER VARIABLE SPEED INVERTER COMPRESSOR 3 WAY VALVE CONDENSER FAN JELLY ROLL CONDENSER ISOLATION VALVE FREEZER DRAIN TUBE FRESH FOOD DRAIN TUBE Machine Compartment location PFE29 ...

Page 70: ...ELAY AND OVERLOAD SINGLE SPEED COMPRESSOR 3 WAY VALVE CONDENSER FAN CONDENSER ISOLATION FREEZER ICEMAKER AND WATER DISPENSER VALVE ASSEMBLY FREEZER DRAIN TUBE FRESH FOOD DRAIN TUBE Machine Compartment location GFE29 ...

Page 71: ...on Valve Water to the filter in the fresh food door is supplied by the isolation valve The valve prevents the filter from being under constant house water pressure The isolation valve is operated by the main control board ...

Page 72: ...72 5 4 2012 3 Way Valve The 3 way valve is located in the machine compartment between the compressor and condenser fan ISOLATION VALVE ...

Page 73: ...in series refrigerant flows through the fresh food evaporator and then into the freezer evaporator This is also called the Home Position B Open to the Freezer evaporator only C Open to both the Fresh Food and Freezer evaporators via the individual capillary tubes this position is not currently used on these models D Closed to both Fresh Food and Freezer evaporators during the off cycle 3 Way Valve...

Page 74: ...74 5 4 2012 Freezer Only Cooling FREEZER FAN ...

Page 75: ...75 5 4 2012 Fresh Food and Freezer Only Cooling FF FAN FREEZER FAN ...

Page 76: ...nge of 1000 2100 RPM To remove Remove the rear access cover Disconnect the harness connector Pull the fan assembly toward the rear to disengage from the bracket Values are approximate and preliminary FAN color code RED 12vdc BLACK 12 VDC YELLOW PWM SPEED BLUE RPM FEEDBACK ...

Page 77: ...77 5 4 2012 Operational Overview ...

Page 78: ...ut the compressor operating is normal The variable speed compressor uses an inverter like previous variable speed The compressor will start at high speed for 1 minute then may change to a lower speed based on fresh food and freezer temperature This may be perceived as a noise issue There is a 20 second compressor delay on power up but fans will start immediately if cooling is required Compressor m...

Page 79: ...ake is not in the home position the icemaker heater will turn on for 2 minutes before power is applied to the rake motor Currently this is only protected by the 210 F TCO on the mold THE MOLD CAN GET VERY WARM The duct door is operated by a motor and the consumer may notice a very distinct motor sound when the duct door opens and closes When either fresh food door is opened while dispensing the di...

Page 80: ...protection mode will become active Once the door is closed timer 1 resets and liner protection mode goes into standby In standby normal fan operation resumes and timer 2 begins a 3 minute door closed count If 3 minutes elapse without a door opening liner protection mode will reset If a door is opened within the timer 2 door closed count the remaining time in the door closed count will be deducted ...

Page 81: ...rigerator Operation Both of these models operate in the following states Pull Down Cooling Operation Fresh food Cycle defrost Pre Chill Fresh Food Only Heated Defrost Fresh Food Freezer Heated Defrost Dwell Post Dwell ...

Page 82: ... temperature falls to approximately 12 F the compressor will change to HIGH speed and the 3 way valve will move to the A position delivering refrigerant to both the fresh food and freezer evaporators The fresh food fan will begin running at HIGH speed and the freezer fan will continue to run at HIGH speed Compressor and fan speeds will vary with cabinet temperatures until the set temperature is ob...

Page 83: ...er When only the fresh food temperature is satisfied the 3 way valve will move to the B position supplying only the freezer evaporator to continue cooling the freezer Fresh food cycle defrost will begin When the freezer and fresh food temperatures are satisfied the compressor and fans will turn off The 3 way valve will move to the D position shutting off refrigerant flow to both evaporators to red...

Page 84: ...is no refrigerant flow through the evaporator Fresh food cycle defrost does not use the fresh food defrost heater Fresh food cycle defrost will occur any time the 3 way valve is moved from the A position to the B position The fresh food fan will run at LOW speed for 10 minutes then cycle off if fresh food temperatures are satisfied The fresh food cycle defrost does not occur when the compressor cy...

Page 85: ...pre chill Any compressor run time prior to the beginning of pre chill does not count in the pre chill time There is a 6 second delay after the compressor cuts off at the end of pre chill before energizing the defrost heaters The ice box fan will run at high speed whenever ice box cooling is needed during the pre chill cycle Pre chill ends when either the maximum time expires 60 minutes evaporator ...

Page 86: ...ly heated defrost does not use a pre chill cycle Door openings are factored into the compressor run time 1 second door opening 100 seconds of compressor run time Providing previous freezer or fresh food only heated defrost cycles were normal the freezer will defrost every 3rd fresh food defrost Values are approximate and preliminary ...

Page 87: ...emains on until the fresh food evaporator is 45 F defrost termination temperature or the max defrost time of 45 minutes is reached If either the fresh food or freezer defrost heater s on time exceeds the normal defrost threshold of approximately 20 minutes the defrost is considered abnormal Abnormal defrost forces both the fresh food and freezer into pre chill after 6 hours of compressor run time ...

Page 88: ...re cycle Dwell cycle will terminate after 10 minutes At the end of the dwell cycle the compressor run timer for adaptive defrost is reset to 0 hours and the refrigerator enters the post dwell cycle If power is interrupted during the dwell cycle and the freezer temperature is greater than 50 F the freezer defrost termination temperature the dwell cycle will start over Note Pull down will start if t...

Page 89: ...condenser fan will start but the fresh food fan freezer fan and ice box fan will remain off Post dwell will end when the freezer and fresh food evaporators reach the post dwell exit temperature of 10 F or the post dwell time of 10 minutes has expired Upon exit of post dwell the control system will now operate all cooling components by it s logic and restarts the compressor run timer for adaptive d...

Page 90: ...st defrost was normal or abnormal Fresh Food Cycle Defrost occurs when the 3 way valve turns off refrigerant flow to fresh food evaporator but the freezer continues to cool Pre Chill occurs before freezer heated defrost Fresh Food Heated Defrost occurs every 32 hours of compressor run time Freezer Heated Defrost occurs every 96 hours of compressor run time Dwell occurs after every heated defrost c...

Page 91: ...91 5 4 2012 User Interface UI Controls ...

Page 92: ...92 5 4 2012 Consumer Control Board PFE29 Cup Switch Power Communication ULTRASONIC SENSOR CONNECTORS FOR SENSOR FILL SOUND MODULE CONNECTOR ...

Page 93: ...93 5 4 2012 Consumer Control LCD Models PFE29 ...

Page 94: ...S J4 J3 J5 LOWER ULTRASONIC SENSORS J7 SOUND MODULE J7 J5 8 UNUSED 7 HOT H20 CUT SW 6 BOARD GND 5 12VDC 4 12VDC 3 HOT H2O LED 2 COMMUNICATION 1 UNUSED J4 3 PADDLE SWITCH 2 PADDLE SWITCH 1 PADDLE SWITCH J4 J2 J2 A blinking green LED means the board s DC power supply is on and operating ...

Page 95: ...Temperature Adjustment Note the LCD customer control does not incorporate pads for temperature adjustment To change compartment temperatures touch the screen to wake the control up and change temperatures directly on the LCD screen ...

Page 96: ...ntrols Once Temp Control is pressed the adjustment screen will appear in the display After adjusting to the desired temperature setting press Done The customer also has the option to change the displayed temperature from F to C from this screen ...

Page 97: ...97 5 4 2012 Consumer Control Dispenser Functions When the customer changes the dispenser functions the display will show a short animation of the dispenser selection ...

Page 98: ...98 5 4 2012 Consumer Control Express Modes The Express Modes option allows the consumer to turn on or off the Turbo Cool and Turbo Freeze functions ...

Page 99: ...for water dispense Standard Precise Fill where the customer selects the amount of water and Sensor Fill where the dispenser uses sensors to automatically fill the container to 90 full In sensing fill if no container is in the dispenser the unit will not operate and notify the consumer ...

Page 100: ...pe of the container and will fill it to approximately 90 of its capacity Ultrasonic sensors work in much the same way as back up sensors used on many automobiles This system is operated by the LCD control and the door control board If there is a failure the ultrasonic sensors and LCD control are replaced as an assembly ULTRASONIC SENSORS ...

Page 101: ...ange or reset functions on the unit by scrolling through the screens Reset the water filter Turn the icemaker on and off Turn the door alarm on and off Turn the control sound on and off Turn the cooling system on and off Change the temperature display to F or C Change the water dispenser from US Imperial to Metric ...

Page 102: ...102 5 4 2012 Dealer Demo Mode Enter demo mode by pressing the Lock and Precise Fill buttons Exit demo mode by pressing the same buttons again or cycling refrigerator power ...

Page 103: ...s will be disabled The icemaker s are turned off but control will operate the display function The fans and dampers may run if prompted by a user setting change Opening the doors will not turn on the fans Liner protection mode is active The deli pan LED lighting will work normally The deli fan will turn on at the heating mode speed ...

Page 104: ...e door remains open After 8 minutes the LEDs will start to lower their intensity in a smooth transition over the next three minutes to 75 of their original power and remain there until the door s is closed Closing and reopening the doors will restart the timer The user can activate and deactivate the Door Alarm Lock Dispenser Light and Reset Filter functions The user can adjust the temperatures bu...

Page 105: ...mponents if pressed The Precise Fill feature can be selected and amount of water set but water valve will not be activated The Auto Fill can be set but will not activate water valve An instructional video will play for 49 seconds and then return to the home screen Turbo Cool and Turbo Freeze can be turned on and off but no cooling action will be initiated ...

Page 106: ...Board J 4 The Zigbee Board is located on the top of the case in the hinge cover and monitors the ambient air temperature and humidity level of the room This board also contains the RJ45 connector for the Brillion Technology ACM and computer diagnostics ...

Page 107: ...e Factory Service technician to connect to the refrigerator to perform diagnostics on their laptop computer The technician will be able to access error codes current functions operational history and operate loads for diagnosis Remove the plastic plug to access ...

Page 108: ...108 5 4 2012 To enter or exit Sabbath mode press the Lock Control and Dispenser Light buttons for three seconds Sabbath Mode ...

Page 109: ...ons The LCD display will change to a screen prompting the consumer to enter or exit Sabbath mode The display will show Entering Sabbath Mode or Exiting Sabbath Mode for 3 seconds and then disappears The display will show Sabbath Mode while the control is in Sabbath mode All of the displayed icons will be turned off All of the sounds and tones will be turned off The Sabbath mode will expire 76 hour...

Page 110: ...s set prior to turning on Sabbath Mode and will return to those setting after Sabbath Mode is turned off The door alarm is disabled All of the button actions on the dispenser will be ignored by the control during Sabbath mode The dispenser auto fill ultrasonic sensors for Sensor fill are disabled The water valve auger motor and duct door motor are disabled The icemakers are inoperative during Sabb...

Page 111: ...111 5 4 2012 Sabbath Mode GFE29 UI FUTURE MODELS ...

Page 112: ...112 5 4 2012 GFE29 LED User Interface Note DC ground is extremely important on all control boards On this model you could see 0 s moving in a racetrack pattern ...

Page 113: ... the freezer 7 segment displays tf in turbo freeze mode If the water filter timer has expired the Replace Water Filter display will be on The Reset Filter button will reset the water filter timer The Door Alarm button will activate and deactivate the door alarm The Lock Control will prevent the consumer from interfacing with the refrigerator The Dispenser Light button will turn on or off the dispe...

Page 114: ...ard Main Control Board Dispenser Internal Temperature Control Board Deli Pan Control Board Icemaker Sensors Inverter AC Loads DC Loads Icemaker AC Loads DC Loads Sensors LED Lighting LED Lighting Control Block Diagram ...

Page 115: ...115 5 4 2012 Main Control Board ...

Page 116: ...evaporator ice box and deli pan fans Freezer and fresh food evaporator defrost control Icemaker control for models with an icemaker in the freezer Control of the isolation water valve Control of mullion and ice port heaters based on external temperature and relative humidity Control of the fill tube heater for the icemaker located in the freezer Control of the interior LED lighting in the fresh fo...

Page 117: ...117 5 4 2012 Main Board Location MAIN CONTROL BOARD ...

Page 118: ...Fan Feature Deli Fan Feature Deli Damper LED FF1 LED FZ 5 V PWM Driver FF Evap Temp FZ Temp FF 1 Temp Input Deli Pan Temp Ambient Temp Convertible Temp FZ Door Switch FF LH Door Switch IM Rake IM Arm Personality DC Input AC Input µP Power Supply Neutral GND µP µP µP µP Controller FZ Evap Temp FF RH Door Switch Door Board UI Board Comm Zigbee Board convertible drawer fan FF Convertible Damper FF2 T...

Page 119: ...119 5 4 2012 J 1 4 J 1 3 J 1 2 J 1 1 J 1 0 J 9 J 8 J 7 J5 J 4 J6 J 3 J 2 J 1 Main Control Board DC AC A blinking green LED means the board s DC power supply is on and operating ...

Page 120: ...IN 12 OPEN THERMISTOR PIN 14 FF THERMISTOR 5 VDC PIN 16 FF THERMISTOR PIN 1 5VDC FZ THERMISTOR PIN 2 FZ THERMISTOR PIN 3 5VDC FZ EVAP THERMISTOR PIN 4 FZ EVAP THERMISTOR PIN 5 THERMISTOR 5VDC PIN 6 CNDVR PIN 7 FZ IM THERMISTOR 5VDC PIN 8 FZ IM THERMISTOR PIN 9 RAKE SENSOR 5VDC PIN 10 RAKE SENSOR PIN 11 GND PIN 12 FEELER ARM SENSOR J10 PIN 1 COND FAN 12 DC PIN 2 COND FAN GND PIN 3 COND FAN PWM PIN ...

Page 121: ...M FZ FAN PIN 8 RPM ICE BOX J8 Future use PIN 1 12VDC DELI FAN PIN 2 12VDC FF FAN PIN 3 GND DELI FAN PIN 4 GND FF FAN PIN 5 RPM DELI FAN PIN 6 RPM FF FAN PIN 7 PWM DELI FAN PIN 8 PWM FF FAN PIN 9 DELI DAMPER PIN 10 DELI DAMPER PIN 11 DELI DAMPER PIN 12 DELI DAMPER PIN 13 OPEN PIN 14 OPEN PIN 15 OPEN PIN 16 OPEN J6 MODEL ID Indicates a wire in the connector at that location ...

Page 122: ...IN 2 FZ IM HTR PIN 3 FZ IM WTR VALVE PIN 4 OPEN J3 PIN 1 ISOLATION VALVE PIN 2 FF DEFROST HTR PIN 3 ICE PORT HTR PIN 4 MUL HTR PIN 5 ICE DUCT HTR PIN 6 DELI PAN HTR J2 PIN 1 HOT WATER INTERLOCK PIN 2 AC GROUND PIN 3 AC NEUTRAL PIN 4 FZ DEFROST HTR PIN 5 S SPD COMP PIN 6 AC LINE 1 J1 Indicates a wire in the connector at that location ...

Page 123: ...123 5 4 2012 PFE29PS Main Board Schematic ...

Page 124: ...124 5 4 2012 Door Control Board ...

Page 125: ...odel identification used A C outputs Dispenser water valve Ice in door icemaker heater Ice in door icemaker rake motor Ice in door icemaker water valve D C outputs Auger motor Duct door motor Recess duct door heater Articulating mullion heater Door IM fill tube heater Ice box gasket heater Freezer LED interior lighting ...

Page 126: ...SOR PIN 12 PADDLE SWITCH PIN 13 FILL TUBE HTR PIN 14 IM SENSOR GROUND PIN 15 DUCT DOOR MTR PIN 16 OPEN PIN 17 13VDC SUPPLY PIN 18 GEABUS COMMUNICATION PIN 19 FLOW METER 5VDC PIN 20 BOARD GOUND J3 J5 J5 PIN 1 IM THERMISTOR PIN 2 5VDC PIN 3 ICE BOX THERMISTOR PIN 4 5VDC PIN 5 HOT WATER 1 PIN 6 5VDC PIN 7 HOT WATER 2 PIN 8 HOT WATER LED Indicates a wire in the connector at that location A blinking gr...

Page 127: ...ITCHED L1 AUGER INPUT PIN 5 OPEN PIN 6 AUGER MOTOR DC PIN 7 DISPENSER WATER VALVE PIN 8 AUGER MOTOR DC PIN 9 IM MOLD HEATER PIN 10 OPEN PIN 11 OPEN PIN 12 OPEN PIN 13 OPEN PIN 14 OPEN PIN 15 OPEN PIN 16 A C NEUTRAL J4 THIS WILL BE THE HEATER CONNECTOR FOR HOT WATER ON CAFÉ MODELS J8 Indicates a wire in the connector at that location ...

Page 128: ...2 Door Control Board J 8 J 4 J 3 J 5 DC AC The dispenser board controls all AC and DC functions of the left hand fresh food door This board is accessed at the top of the door after removing the three cover screws ...

Page 129: ...129 5 4 2012 PFE29PS Door Schematic ...

Page 130: ...tor Door IM Heater Relays Driver Auger Motor Door IM Rake Motor Door IM Water Valve Ice Mold Thermistor L1 Switched Relay Relay Relay Relay Relay IM Rake IM Arm Relay Relay Neutral Flow meter Ice Box gasket heater Duct Door Motor Vertical Mullion Heater Recess Duct Door Heater 5VDC Input 13 6 VDC Input Input 13 6 VDC from Main Board 5 VDC Door Fill Tube heater Controller ...

Page 131: ...131 5 4 2012 Dispenser Door Components ...

Page 132: ...r gasket Air ducts and gaskets Water tank Water valve Flow meter Water filter Water filter manifold LCD LED control assembly Duct door Duct door motor Ice funnel Ice water paddle and switch assembly Door control board Sensor fill components Freezer drawer LEDs Articulating mullion Ice box thermistor ...

Page 133: ...133 5 4 2012 Ice and Water in Door Lift slightly up to remove bucket U P WATER TANK AND VALVE ICE BOX Pull lever out to open ...

Page 134: ...134 5 4 2012 The gasket is easily removed by pulling the retainer out of the groove Ice Box Door Gasket ...

Page 135: ...135 5 4 2012 SUPPLY AIR RETURN AIR Ice Box Air Flow ...

Page 136: ...136 5 4 2012 Ice Box Ports Ice Box air supply gasket Ice Box air return gasket Ice Box port gaskets are removed by pushing inward with a putty knife to release the retainer tab from the duct groove ...

Page 137: ...137 5 4 2012 CCW FOR CRUSHED ICE CW FOR CUBED ICE Auger Bucket ...

Page 138: ...ER MOTOR Ice Box Components Prior to working on the ice maker and associated components GE Factory Service Technicians are required to properly lockout the unit and control the cord That may require the application of the LOTO box lock and tag ...

Page 139: ...139 5 4 2012 Ice Box and Icemaker Thermistors Ice Box thermistor located in the electrical cover Both Ice Box and freezer icemakers contain thermistors ...

Page 140: ...29 ICEMAKER door mounted GFE29 ICEMAKER freezer mounted The icemakers are similar to previous icemaker designs Although similar they are NOT interchangeable with each other between door and freezer models or any other service icemaker ...

Page 141: ...by the door control board The icemaker in the freezer is controlled by the main control board These boards will monitor the mold thermistor rake and feeler arm sensors to operate the rake motor heater and water valve Like previous electronic icemakers these new icemakers will run Power On Diagnostics however this will occur if the mold temperature is above 40 F rather than 50 F like previous model...

Page 142: ...owing Turn on the motor and rotate until it reaches home again Turn on the water valve for 1 2 second Turn on the heater for 1 2 second Verify that the feeler arm was in the IN and then in the OUT position Verify the motor was rotating by checking the motor was not in the home position and then returned to the home position Verify the motor does not remain on after being turned off Proceed to the ...

Page 143: ...ted At the start of the Harvest cycle the heater will turn on and remain on until the mold temperature is at least 36 F minimum heater time is 1 minute The heater will cycle to maintain at least 36 F during harvest Once 36 F is reached the rake motor will turn on making one revolution to eject the cubes while the control monitors rotation through the home position When the rake motor is back at th...

Page 144: ...vest cycle followed by a water fill cycle The harvest cycle will be entered immediately regardless of mold temperature or feeler arm position The mold heater will be turned on for a minimum of 20 seconds At the end of the harvest cycle a water fill cycle will be initiated for 5 1 seconds After the water fill cycle the icemaker will enter the freeze cycle During the service diagnostic test the feel...

Page 145: ...145 5 4 2012 Icemaker Schematic ...

Page 146: ...rature in the ice box will vary based on the freezer set point and the state of ice production or storage Based on freezer temperature and assuming the ice box has not been opened before testing the maximum expected temperature in the ice box is shown in the table below Example At a 0 F freezer set point the expected maximum temperature observed would be 15 F The temperature range is approximately...

Page 147: ...Disconnect both Molex connectors Remove 5 16 screw Note Ice Box thermistor is mounted to cover Remove Phillips screw to expose connectors GE Factory Service Technicians are required to always wear cut resistant gloves prior to commencing the repair ...

Page 148: ...148 5 4 2012 Icemaker Removal Lift the icemaker up and off of the 2 mounting tabs L I F T L I F T ...

Page 149: ...49 5 4 2012 Auger Motor Removal Disconnect 2 pin Molex connector Remove Phillips screw Pull the auger motor assembly straight out to remove Remove Phillips screw Note Icemaker does not have to be removed ...

Page 150: ...150 5 4 2012 CW FOR CRUSHED ICE CCW FOR CUBED ICE Auger Motor Assembly ...

Page 151: ...151 5 4 2012 Water Valve Flow Meter and Water Tank ...

Page 152: ...152 5 4 2012 On the lower part of the left fresh food door remove the three T20 screws holding the access panel T20 screw T20 screw T20 screw Access Cover Removal ...

Page 153: ...vious models with the Precise Fill feature The water tank capacity is 16 ounces All of the quick connects have RED retainer clips that must be removed to disconnect tubing Note RED clips must be reinstalled after reinserting tubing Water Valve and Water Tank Location When disconnecting hose connections always use great care so that when the hose releases your hand does not forcefully contact anoth...

Page 154: ...th a Phillips screw and quick connector To separate the water valve from the flow meter remove the Phillips screw and push in on collar to release the quick connector Remove Phillips screw PUSH WATER VALVE FLOW METER The flow meter will be available in the future as a separate part Quick Connector ...

Page 155: ... Water Filter Location The water filter is located on the right side of the left fresh food door To open the filter compartment press the bottom of the cover to release and swing open the cover exposing the filter ...

Page 156: ...that same angle pull the water filter straight out DO NOT TWIST OR TURN Removing the water filter turns off the water to the door water valve A bypass cartridge is installed in the water filter manifold for shipping The water filter should be installed when the refrigerator is delivered to the consumer ...

Page 157: ...57 5 4 2012 Remove three screws from the top hinge cover Open both fresh food doors to 90 Move the cover slightly forward to release the tabs from the hinges and slide back Water Filter Manifold Removal ...

Page 158: ...158 5 4 2012 Cabinet water tubing conduit Remove the hinge cover assembly and lay the cover back onto the cabinet to access the top hinge screws wiring and water tubing Water Filter Manifold Removal ...

Page 159: ...159 5 4 2012 Remove the tube clamp from the hinge Disconnect the top side of the quick connector located at the rear of the cabinet 15 down from the top Water Filter Manifold Removal ...

Page 160: ...160 5 4 2012 Pull the water tubing out of the conduit Slide the spring and clamp off of the tubing Water Filter Manifold Removal ...

Page 161: ... slightly to release and remove the cover assembly Use tape on a small screw driver to prevent damage Note If the filter door is left open and the door is closed the assembly will pop off rather than break Water Filter Manifold Removal ...

Page 162: ... REMOVE S L I D E Disconnect tubing from the flow meter inlet Remove the screw Slide the manifold up to release it from the upper and lower tabs Pull down to remove the tubing from the door Filter Manifold Removal ...

Page 163: ...ol 3 Retainer 4 Lock out stem 5 Spring 6 Ferrules 7 Outlet tube 8 Inlet tube 9 Ferrule Outer Spool o rings 10 Gasket Note Bypass plug and o ring not shown Filter Manifold Assembly manufacturing diagram NOTE The manifold comes as an assembly ...

Page 164: ...164 5 4 2012 Routing of Water Filter Manifold Tubing From Door Hinge Water valve BACK VIEW TO WATER VALVE TO DOOR HINGE ...

Page 165: ...e water filter is located in the top left of the fresh food cavity Water is supplied from the isolation valve powered by the main control board The GE model uses the same water filter as the Profile Water Filter GFE29 ...

Page 166: ...166 5 4 2012 Dispenser Access Remove the 2 Phillips screws from the bottom of the control panel ...

Page 167: ...167 5 4 2012 Ice Funnel Removal Push up on both the right and left retainers to release the funnel Slide the funnel forward to remove ...

Page 168: ...168 5 4 2012 The motor opens and closes the duct door The spring is used to keep the duct door closed Take note of how the spring is installed before disassembly Duct Door and Duct Door Motor Removal ...

Page 169: ...169 5 4 2012 Duct Door and Duct Door Motor Removal Gently pry the motor forward to release ...

Page 170: ...5 4 2012 Pull the motor out of the bracket Move the motor and duct door to the right to release the spring and pin NOTE The duct door and motor are available separately Duct Door and Duct Door Motor Removal ...

Page 171: ...res It has a common with a normally open and normally closed contact Both the door board and user interface board UI look for a change of state of both contacts when the paddle is depressed before the selected function is activated The door board monitors one of the contacts and the user interface board UI monitors the other contact ...

Page 172: ...172 5 4 2012 Dispenser Actuator Paddle and Switch Bottom Tabs ...

Page 173: ...173 5 4 2012 Dispenser Actuator Paddle and Switch Flex either tab inward to disengage the pin from the hole in the tab Then pull up to release the bottom tabs ...

Page 174: ...174 5 4 2012 Questions ...

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GE GFE29HGDABB, Manual

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