GE Profile PSB42LGRBV Manual Download Page 78

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Thermistor Error Defrost Operation



If either evaporator thermistor fails (open or shorted), the power control board (PCB)

defaults to a timed defrost cycle based on cabinet temperature.



If th f

i t

f il (

h t d) & th f



If the freezer evaporator thermistor fails (open or shorted) & the freezer temperature

is below 27

F (-3

C), the freezer defrost heater will be energized for 20 minutes.



If the freezer temperature is above 27

F (-3

C), the heater will not come on.



If the fresh food evaporator thermistor fails (open or shorted) & the fresh food

temperature is below 68

F (20

C), the fresh food defrost heater will be energized for

10 minutes.



If the fresh food temperature is above 68

F (20

C), the heater will not come on.



During thermistor error operation, the control defaults to fresh food defrost every 5

hrs. & freezer defrost every 10 hours of accumulated compressor run time.

GE Profile 42-48 Refrigerators

(4/1/05)

GE CONFIDENTIAL & PROPREITARY INFORMATION - NOT FOR PUBLIC DISCLOSURE
Copyright 2007 General Electric Company – 12/14/2009

GE imagination at work

Summary of Contents for Profile PSB42LGRBV

Page 1: ...SRBV PSB48LSRBV PSB48LGRWV PSB48LGRBV GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 1 gGE imagination at work imagination at work GE Consumer Industrial Training Team 2005 g ...

Page 2: ...h its use WARNING To avoid personal injury disconnect power before servicing this product If electrical power is required for diagnosis or test purposes p p q g p p disconnect the power immediately after performing the necessary checks RECONNECT ALL GROUNDING DEVICES RECONNECT ALL GROUNDING DEVICES If grounding wires screws straps clips nuts or washers used to complete a path to ground are removed...

Page 3: ...ntrol Board with Inverter Room Ambient Thermistor Dispenser Cube Motor Duct Door Motor Cam 4 Point Leveling All Front Adj GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 3 gGE imagination at work ...

Page 4: ...Nomenclature GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 4 gGE imagination at work ...

Page 5: ...Warranty GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 5 gGE imagination at work ...

Page 6: ...Installation GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 6 gGE imagination at work ...

Page 7: ...Installation GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 7 gGE imagination at work ...

Page 8: ...Installation GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 8 gGE imagination at work ...

Page 9: ...Installation GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 9 gGE imagination at work ...

Page 10: ...een 34 F 1 C 47 F 8 C Freezer temperature can be adjusted between 6 F 21 C 8 F 13 C GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 10 gGE imagination at work ...

Page 11: ...ay after a Power Failure GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 11 gGE imagination at work ...

Page 12: ...Air Flow GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 12 gGE imagination at work ...

Page 13: ...Door Gasket GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 13 gGE imagination at work ...

Page 14: ...e to raise door Raising the fresh food door too high will cause binding with the machine compartment door 5 16 or 8mm hex head Linkage Shock absorber Shock absorber GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 14 gGE imagination at work ...

Page 15: ...Closer Removed from frame for clarity GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 15 gGE imagination at work ...

Page 16: ...ort Outer Edge of Cabinet Slot side GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 16 gGE imagination at work ...

Page 17: ...installing the Support GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 17 gGE imagination at work ...

Page 18: ...Door Stop GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 18 gGE imagination at work ...

Page 19: ...ling Legs 4 C t 4 Casters Rear Leveling GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 19 gGE imagination at work Rear Leveling Scissors Jack ...

Page 20: ...Drain Pan GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 20 gGE imagination at work ...

Page 21: ...Underside of Cabinet GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 21 gGE imagination at work ...

Page 22: ...ay Valve Compressor M i p Main Switch Door Switches Door Switches Terminal Block Condenser GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 22 gGE imagination at work ...

Page 23: ... of an AC wiring harness opens both the L1 neutral side of the line GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 23 gGE imagination at work ...

Page 24: ...Main Switch Circuit GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 24 gGE imagination at work ...

Page 25: ...Refrigerant System GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 25 gGE imagination at work ...

Page 26: ...i The compressor resistance should be approximately 12 between any 2 pins The thermal overload within the compressor terminal cover will open at 257 F 125 C reset at 156 F 69 C An open compressor overload will prevent the power control board from GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 200...

Page 27: ...Compressor Circuit GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 27 gGE imagination at work ...

Page 28: ...flers are used to reduce refrigerant flow sound levels GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 28 gGE imagination at work ...

Page 29: ...shortly after the compressor first cycles off there may be moisture beads on the drier it may feel cold to the touch GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 29 gGE imagination at work there may be moisture beads on the drier it may feel cold to the touch ...

Page 30: ...to the condenser with 2 Phillips screws It directs the refrigerant either to both the freezer fresh food evaporators or to the freezer only GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 30 gGE imagination at work to the freezer only ...

Page 31: ...d from the valve body by gently prying up with a small screwdriver The valve body is covered by the sealed system warranty the coil by the 2 year GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 31 gGE imagination at work y y y y y y warranty ...

Page 32: ...turn the switch back on Movement should be felt as the valve moves to the home position GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 32 gGE imagination at work Movement should be felt as the valve moves to the home position ...

Page 33: ...3 Way Valve Circuit GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 33 gGE imagination at work ...

Page 34: ...es Freezer Freezer Capillary Freezer Tube GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 34 gGE imagination at work ...

Page 35: ...f heat absorbing paste WR5X8927 Direct the flame away from the valve body when brazing Heat Absorbing Paste Paste GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 35 gGE imagination at work ...

Page 36: ...GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 36 gGE imagination at work ...

Page 37: ...GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 37 gGE imagination at work ...

Page 38: ...Door Switches GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 38 gGE imagination at work ...

Page 39: ...er door is opened the freezer door is opened The fresh food freezer evaporator fans turn off when the fresh food door is opened opened When the door is closed the fan s delays for 10 seconds before starting again GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 39 gGE imagination at work ...

Page 40: ...ezer AC door switch controls the The freezer AC door switch controls the freezer interior lights the auger motor operation GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 40 gGE imagination at work ...

Page 41: ...Terminal Panel Cover GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 41 gGE imagination at work ...

Page 42: ...Terminal Block Panel GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 42 gGE imagination at work ...

Page 43: ...minal Panel Connections GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 43 gGE imagination at work ...

Page 44: ...Control Board GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 44 gGE imagination at work ...

Page 45: ...GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 45 gGE imagination at work ...

Page 46: ...Icemaker GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 46 gGE imagination at work ...

Page 47: ...Fill Tube Extension GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 47 gGE imagination at work ...

Page 48: ...ent to about 230 cubes Lift the ice bin up to clear the notch then pull forward GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 48 gGE imagination at work ...

Page 49: ...in Auger Removable Cover GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 49 gGE imagination at work ...

Page 50: ...uger Motor Shelf 2 Phillips Screws GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 50 gGE imagination at work ...

Page 51: ...m Cube Motor When cubes are selected the cube motor rotates first then the auger turns GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 51 gGE imagination at work ...

Page 52: ... the thermal protector inside the auger motor Measure 120VAC at CN07 pins 6 7 for Cube Motor operation To check Cube Motor measure 2K at To check Cube Motor measure 2K at CN07 pins 6 7 GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 52 gGE imagination at work ...

Page 53: ...ly Switch informs power control board of cube motor cam position Measure 5VDC at CN06 pins 3 7 GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 53 gGE imagination at work ...

Page 54: ...nection at the bottom of the refrigerator up the rear channel into the GWF water filter through to the water valve GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 54 gGE imagination at work ...

Page 55: ...lve is held in place by 1 Phillips screw GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 55 gGE imagination at work ...

Page 56: ...easure 120VAC at CN08 pins 2 3 when water is selected M 120VAC t CN08 i 1 3 Measure 120VAC at CN08 pins 1 3 when icemaker is calling for water GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 56 gGE imagination at work ...

Page 57: ...water tank holds approximately 35 oz of water GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 57 gGE imagination at work ...

Page 58: ...Dispenser Trim GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 58 gGE imagination at work ...

Page 59: ...Dispenser Trim GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 59 gGE imagination at work ...

Page 60: ...Control Module GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 60 gGE imagination at work ...

Page 61: ...or is open With any ice selection the auger motor delays until the duct door is open The duct door delays closing after the dispenser switch is released The dispenser light is a 6 watt 12VDC bulb WR02X10675 GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 61 gGE imagination at work p g ...

Page 62: ...Dispenser Testing GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 62 gGE imagination at work ...

Page 63: ...Dispenser Testing GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 63 gGE imagination at work ...

Page 64: ...Duct Door Cam GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 64 gGE imagination at work ...

Page 65: ... tt f th d t Pull the tube down from the bottom of the door to remove Insert from the top route it down through the door GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 65 gGE imagination at work ...

Page 66: ... compressor Between 80 F 27 C 98 F 37 C cycles on 5 minutes off 5 minutes while the compressor is running 5 minutes on 25 minutes off when the compressor is not running Above 98 F 37 C cycles on off with Above 98 F 37 C cycles on off with compressor GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 ...

Page 67: ... Air To accurately test a thermistor l th th i t place the thermistor in a glass of ice water for several minutes before i measuring resistance GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 67 gGE imagination at work ...

Page 68: ...hermistor Freezer Thermistor GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 68 gGE imagination at work ...

Page 69: ...resh Food Thermistor Fresh Food Thermistor GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 69 gGE imagination at work ...

Page 70: ...hermistor Freezer Evaporator Thermistor GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 70 gGE imagination at work ...

Page 71: ...vaporator thermistor pull it straight out from its mounting tube GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 71 gGE imagination at work mounting tube ...

Page 72: ...spenser Control Module Room Ambient Thermistor GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 72 gGE imagination at work ...

Page 73: ...s 2 F 19 C or warmer is 2 F 19 C or warmer If the fresh food thermistor opens or shorts the fresh food cooling operation defaults to the freezer thermistor R f i ill fl h h h f h f d i h f Refrigerant will flow through the fresh food evaporator any time the freezer evaporator is cooling The fresh food fan will cycle off once the fresh food evaporator thermistor reaches 5 F 15 C ld 5 F 15 C or cold...

Page 74: ...hen the defrost thermistor is below 23o F the evap fan continues to run moving air across the evap Once the thermistor reaches 28o F the fan cycles off Heated defrost occurs for the fresh food evap every 5 hours of compressor operation for the freezer evap every 10 hours of compressor operation If either defrost thermistor fails open short the PCB defaults to a timed defrost based on cabinet temps...

Page 75: ...e will open to both the fresh food freezer evaporators The warm thermal mass refrigerant flowing through the evaporator helps to g g g p p remove frost It has very little impact on the freezer evaporator due to the cold freezer temperature In addition when the fresh food evaporator thermistor is below 23 F 5 C the p fresh food fan will run to help move air across the evaporator Once the thermistor...

Page 76: ...or thermistor reaches 63 F 17 C The freezer heater cycles off when the freezer evaporator thermistor reaches 68 F 20 C y p The compressor fans do not operate when either section is defrosting regardless of cabinet temperature There is a 10 minute dwell period after There is a 10 minute dwell period after the heater cycles off for each section GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL P...

Page 77: ...p Fresh Food Fresh Food Fresh Food Fresh Food Freezer Freezer Defrost Cycle s y GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 77 gGE imagination at work ...

Page 78: ...F 3 C the heater will not come on If the fresh food evaporator thermistor fails open or shorted the fresh food temperature is below 68 F 20 C the fresh food defrost heater will be energized for 10 minutes If the fresh food temperature is above 68 F 20 C the heater will not come on During thermistor error operation the control defaults to fresh food defrost every 5 hrs freezer defrost every 10 hour...

Page 79: ...sh Food Defrost Circuit GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 79 gGE imagination at work ...

Page 80: ... 1 Check for a combined resistance of 91 at terminal block CN09 between pin 1 pin 2 when defrost safety thermostat is closed Check for 120VAC at terminal block CN09 between pin 1 pin 2 when the fresh food is in defrost mode o o The defrost safety thermostat opens 140o F resets 104o F GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2...

Page 81: ...eezer Defrost Circuit GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 81 gGE imagination at work ...

Page 82: ...eck for a combined resistance of 38 at terminal block CN07 between pin 1 pin 2 when defrost safety thermostat is closed Check for 120VAC at terminal block CN07 between pin 1 pin 2 when the freezer is in defrost mode o o The defrost safety thermostat opens 140o F resets 104o F GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 Gene...

Page 83: ...compressor starts but if ambient air is below 82o F the fan starts right away The fresh food fan assembly is mounted directly to the fresh food evap can be y y p ordered as a complete unit or individual parts The condenser fan assembly is mounted directly to the condenser If ambient air is less than 45o F the condenser fan will not run when the compressor is on but if the ambient air is between 45...

Page 84: ...wer housing g The fan assembly is available as a separate part or as a part of the complete evaporator assembly complete evaporator assembly Fans can be tested using a 9 volt battery GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 84 gGE imagination at work ...

Page 85: ... If the room temperature is 82 F or higher g the fan will delay running for 5 minutes after the compressor has started If the room temperature is below 82 F the fan will start right away with the compressor GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 85 gGE imagination at work ...

Page 86: ...C at CN05 between pin 2 pin 6 Check for approximately 2VDC feedback at CN05 between pin 2 pin 5 GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 86 gGE imagination at work ...

Page 87: ...e compressor is on fan will not run when the compressor is on Between 45 F 50 F the fan will start 5 minutes after the compressor starts Above 50 F or if the ambient thermistor is open or shorted the fan is synchronized with the compressor GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 87 gG...

Page 88: ...GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 88 gGE imagination at work Remove 4 Phillips screws from the top air duct cover ...

Page 89: ...file 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 89 gGE imagination at work Note The evaporator is very sharp wear protective gloves ...

Page 90: ...rost Safety Thermostat GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 90 gGE imagination at work ...

Page 91: ...he freezer evaporator GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 91 gGE imagination at work Remove the 2 Phillips screws holding the defrost heater to the freezer evaporator ...

Page 92: ...down with a small screwdriver remove the 4 Philli d th ill GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 92 gGE imagination at work Phillips screws under the grille ...

Page 93: ...the 2 electrical connectors lift the fresh food evaporator from the GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 93 gGE imagination at work p housing ...

Page 94: ... first for easier access GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 94 gGE imagination at work Remove the 5 Phillips screws holding the galvanized metal cover ...

Page 95: ... expose the brazing joints If replacing an evaporator order a new foam insulation block when ordering the t GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 95 gGE imagination at work evaporator ...

Page 96: ...r Tubing Freezer Evaporator Fresh Food Evaporator Tubing Tubing GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 96 gGE imagination at work ...

Page 97: ...GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 97 gGE imagination at work ...

Page 98: ...e Service Mode Press any pad other than the temperature pads to lock in the Service Mode A test mode must be selected within 30 seconds or diagnostics will time out Select a test press COLDER WARMER pads to the test then press another pad to start that test GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Compan...

Page 99: ...Service Diagnostics GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 99 gGE imagination at work ...

Page 100: ...Service Diagnostics GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 100 gGE imagination at work ...

Page 101: ...Service Diagnostics GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 101 gGE imagination at work ...

Page 102: ...Service Diagnostics GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 102 gGE imagination at work ...

Page 103: ...Service Diagnostics GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 103 gGE imagination at work ...

Page 104: ...atures first 3 problems will occur after power is reset GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 104 gGE imagination at work ...

Page 105: ...GE Profile 42 48 Refrigerators 4 1 05 GE CONFIDENTIAL PROPREITARY INFORMATION NOT FOR PUBLIC DISCLOSURE Copyright 2007 General Electric Company 12 14 2009 105 gGE imagination at work ...

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