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 Consumer Home Services Training

 

 
 

 

TECHNICAL SERVICE GUIDE

 

 

TMNF 20 Cubic Foot

 

GE Refrigerators 

 

 
 

 

MODEL SERIES: 

 

GTRS0

 

GTRC0 
GTRL0

 

MTRL0

 

 
 
 
 
 
 

PUB #01-2010 

Summary of Contents for GTRS0 Series

Page 1: ...Consumer Home ServicesTraining TECHNICAL SERVICE GUIDE TMNF 20 Cubic Foot GE Refrigerators MODEL SERIES GTRS0 GTRC0 GTRL0 MTRL0 PUB 01 2010...

Page 2: ......

Page 3: ...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...

Page 4: ...ms NO LOAD PERFORMANCE Control Position 5 5 and Ambient of 70 F to 90 F Fresh Food F 34 to 40 Frozen Food F 3 to 3F Run Time 70 F 20 to 40 Run Time 90 F 40 to 70 This information is intended for use b...

Page 5: ...3...

Page 6: ...0 75 mA Maximum Ground Path Resistance 0 14 Ohms NO LOAD PERFORMANCE Control Position 5 5 and Ambient of 70 F to 90 F Fresh Food F 34 to 40 Frozen Food F 3 to 3F Run Time 70 F 15 to 40 Run Time 90 F 3...

Page 7: ...5 MODEL NOMENCLATURE Model series GTRS0 GTRC0 GTRL0 MTRL0 20 cubic foot refrigerators...

Page 8: ...dy B Ice Maker Ready C Factory Ice Maker D Filter Ready IceMaker E 6 Month Filter Ice Maker F 1 Year Filter Ice Maker Profile CS has Ext Dips Crushed Cubed Water 6 Month Filter G Internal WaterDispens...

Page 9: ...FT FV FZ FA FD FF FG FH FL FM FR FD APR GZ GA GD GF GG GH GL GM GR GS GS GT GV GZ GA GD GF GG GH GL GM GR GS MAY HZ HA HD HF HG HH HL HM HR HS HS HT HV HZ HA HD HF HG HH HL HM HR HS JUN LZ LA LD LF LG...

Page 10: ...GE Configuration Top Freezer Total cubic feet 20 0 Controls Type Knob Electro mechanical and Knob electronic Location Upfront Features Temp 1 9 Sensors No Graphics GE GE Smartwater Filter No Lighting...

Page 11: ...9...

Page 12: ...10 SERVICE REVIEW REMOVE DOORS TOP HINGE WITH 5 16 SOCKET SCREWDRIVER REMOVE TWO NUTS REMOVE THE TOP HINGE...

Page 13: ...11 REMOVE THE FREEZER DOOR INTERMEDIATE HINGE WITH TORX T 15 HEAD SCREWDRIVER REMOVE THREE SCREWS AND REMOVE INTERMEDIATE HINGE...

Page 14: ...12 REMOVE FRESH FOOD DOOR LOWER HINGE WITH 5 16 SOCKET SCREWDRIVER REMOVE TWO NUTS...

Page 15: ...OMER TO EASILY MOVE THE REFRIGERATOR CABINET LEVELING IS DONE BY ADJUSTING THE FRONT ROLLERS TO ADJUST THE FRONT ROLLERS USE A 3 8 IN SOCKET OR A LARGE FLAT HEAD SCREWDRIVER TO TURN THE ROLLER ADJUSTM...

Page 16: ...F AND SLIDE IT LEFT INTO THE CENTER OF THE SHELF SUPPORTS ROTATE THE RIGHT SIDE OF THE SHELF UP AND OUT OF THE SHELF SUPPORTS ICEMAKER REMOVE THE ICEMAKER AND WITH THE PHILLIPS HEAD SCREWDRIVER TWO SC...

Page 17: ...15 REMOVE THE COVER EVAP WITH THE PHILLIPS HEAD SCREWDRIVER FOUR SCREWS EVAPORATOR FAN MOTOR DISCONNECT TERMINALS AND CONNECTOR...

Page 18: ...E RADIANT HEATER IT IS HELD IN PLACE BY 2 TABS ON THE EVAPORATOR 1 ON EACH SIDE AND BY 2 CERAMIC AND WIRE SUPPORTS THE CERAMIC AND WIRE SUPPORTS PREVENT THE HEATER FROM SAGGING AND TOUCHING THE METAL...

Page 19: ...17 CONTROL BOX REMOVE THE CONTROL BOX WITH THE PHILLIPS HEAD SCREWDRIVER TWO SCREWS COMPRESSOR COMPRESSOR NO CLEAN CONDENSER DRYER CONDENSER FAN...

Page 20: ...center and bottom hinges to the cabinet Mounting holes in the hinges are not elongated and the hinges are not adjustable When reinstalling the hinges tighten screws firmly but avoid overtightening to...

Page 21: ...oor away from the cabinet Lift the door straight up and off the bottom hinge and place on a protected surface Note If the washer is not on the bottom hinge check to see if it is stuck to the bottom of...

Page 22: ...over on the opposite side of the cabinet 7 Install the center hinge with the three long screws on the opposite side of the cabinet Replace the color matched cap 8 Move the metal door stop and any asso...

Page 23: ...of the door and install in the thimble hole 5 Move the front door plug button to the opposite side of the door and install in the screw hole Button 6 Install the handle to the opposite side of the doo...

Page 24: ...re that the washer is on bottom hinge pin 2 Line up the fresh food door with the center hinge bracket Install the hinge pin in the center hinge bracket and door with a 3 4 in socket Tighten the hinge...

Page 25: ...into the center of the shelf supports Rotate the right side of the shelf up and out of the shelf supports To replace Holding the shelf diagonally insert the left end of the shelf into the center of t...

Page 26: ...u push the shelves all the way in before you close the door Finger hold Snugger Adjustable Bins on the Door Adjustable bins can easily be carried from refrigerator to work area To remove Lift bin stra...

Page 27: ...ay to the LOW setting to provide lower humidity levels recommended for most fruits Snack Pan on some models This pan can be moved to the most useful location for your family s needs To remove slide th...

Page 28: ...location When the door cannot be fully opened remove the drawer farthest from the door first Make sure the drawer closest to the door is fully closed There is a latch at the front of the center slide...

Page 29: ...ng retainers that clip into elongated openings in the base channel To remove the grille pull it straight forward GEA01144 GEA01145 Doors The doors are of one piece construction with foam insulation On...

Page 30: ...gerator Cabinet leveling is done by adjusting the front rollers To adjust the front rollers use a 3 8 in socket or a large flat head screwdriver to turn the roller adjustment screws located behind the...

Page 31: ...17 ICEMAKER Water Valve A single coil 120 VAC valve is secured to the rear of the cabinet inside the machine compartment on the left hand side GEA01142 GEA01137...

Page 32: ...diverted through the lower portion of the freezer air tower and is pushed though the mullion hole into the fresh food compartment air channel The air then exits the air channel in the front of the fre...

Page 33: ...tical Refer to graphic for specifications If the fan shorts it will damage the main control board If the resistor on the main control board is burnt you must replace the fan and the board see photo Ev...

Page 34: ...20 EXPLODED VIEWS Knob Electro mechanical EX PL OD ED VIE WS...

Page 35: ...21 Knob Electronic...

Page 36: ...22 structure...

Page 37: ...23 FREEZER DOOR FRESHFOOD DOOR...

Page 38: ...24 HINGE...

Page 39: ...25 RACKS SPILLPROOF...

Page 40: ...ight side of the refrigerator Inlet air is available through the left front and left rear of the machine compartment A rubber divider strip underneath the refrigerator divides the inlet and outlet sid...

Page 41: ...r Flow condenser fan mounting bracket 3 Remove 2 screws from the condenser fan cover 4 Pull the fan out and disconnect the electrical connector 1 2 Fan 0 375 Housing Motor Airflow Bracket 0 50 0 05 GE...

Page 42: ...oard monitors door opening fresh food and freezer doors and compressor run times The board counts the time the doors are open It reduces the length between defrosts by 210 seconds multiplication facto...

Page 43: ...orator fan and compressor can run continuously for 2 hours Adaptive Defrost Different sound levels can be heard when the fan changes speed Response time for drastic temperature change is 2 to 10 minut...

Page 44: ...nse 65 F in less than 45 minutes or the defrost cycle will time out Normal defrost time is 25 minutes or less not including the 5 minute dwell or post dwell periods Defrost Overtemperature Thermostat...

Page 45: ...into the drain opening This probe transfers heat to the drain opening during defrost Two additional defrost probes are attached to the sides of the evaporator These probes extend upward between the f...

Page 46: ...ly side results in the refrigerator defaulting to midpoint The supply side consists of pins 1 and 2 An open circuit from the return side results in inconsistent run mode The return side consists of pi...

Page 47: ...ve defrost It communicates to the display board by serial port a Feeding 127VAC control card in the main connector b Measure voltage at the output of voltage regulator on the control card The value sh...

Page 48: ...7 5 1 69 1 67 6 1 69 1 67 7 1 17 1 59 8 0 44 2 33 9 0 28 3 06 e Remove the power supply to the card Note In position 0 must remain off the compressor and defrost relays Check defrost relay CTQ a Feedi...

Page 49: ...istance in Kilo ohms 40 40 166 8 k 30 22 88 k 20 4 48 4 k 10 14 27 6 k 0 32 16 3 k 10 50 10 k 20 68 6 2 k 30 86 4 k 40 104 2 6 k 50 122 1 8 k 60 140 1 2 k Temperature Set Point Chart Control Setting F...

Page 50: ...hen the door switch is closed L1 is provided to the compartment light s The main control board receives L1 input on pin 6 J7 when the fresh food door switch is closed door open The main control board...

Page 51: ...37 Schematic Knob Electro mechanical...

Page 52: ...ondenser does the same job as previous models Air is drawn into the condenser from the front left and rear left of the cabinet Air exits only from the right side of the cabinet Condenser Loop The cond...

Page 53: ...a replacement dryer 15 Evacuate and recharge the system using currently accepted procedures Evaporator LOKRING Method 1 Recover the refrigerant 2 Remove the evaporator cover 3 Remove the defrost therm...

Page 54: ...40 COMPONENT AND CONNECTOR LOCATOR VIEWS...

Page 55: ...41 Relay and Overload Under Cover Compressor Dryer No Clean Condenser Capacitor Condenser Fan...

Page 56: ...ot Running flowchart YES Is the compressor running NO Go to Compressor Not Running flowchart YES Is the airflow in the fresh food compartment normal Look for blockage at vents or heavy NO frost on eva...

Page 57: ...lug back in Is the evaporator fan running NO Go to Evaporator Fan Not Running flowchart YES Is the condenser fan running Go to Condenser Fan NO Not Running flowchart YES Is the airflow in the fresh fo...

Page 58: ...igerator for 15 seconds then plug back in Is the evaporator fan running at correct speed NO Go to Evaporator Fan Not Running flowchart YES Is the airflow in the fresh food compartment normal Look for...

Page 59: ...O Low ambient temperature Is the NO room temperature above 55 F Advise consumer of refrigeration installation requirements YES Verify fresh food thermistor is within proper range Is resistance within...

Page 60: ...and allow 24 hours to stabilize NO Check for 120 VAC Is 120 VAC present YES Direct test compressor NO Did compressor start Replace compressor YES YES Check wiring to compressor overload and relay Repl...

Page 61: ...el lit YES Check for 12 VDC at J4 2 to 3 If no NO voltage check wiring If wiring OK replace touch panel Encoder Can touch panel NO be set to 5 and 5 Membrane touch panel or wiring YES Is voltage prese...

Page 62: ...k thermistors using thermistor values or self diagnostic test 0 7 Thermistors pass Test YES Replace main board NO Unplug refrigerator to reset main control board Reconnect power Warm freezer thermisto...

Page 63: ...eezer thermistor to 70 F Reconnect power and set temperature controls to 5 and 5 Recheck voltage Is voltage correct YES Adjust settings and allow 24 hours to stabilize NO At the condenser fan connecto...

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