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GE Appliances

General Electric Company

Louisville, Kentucky 40225

31-9224

GE Gas Ranges

C2S985

CGS985
CGS990

JGB870

P2B930

PGB900
PGB910
PGB915
PGB930
PGB935
PGB980
PGB995

Technical Service Guide

March 2012

GE Appliances

2

3

4

5

1

7

8

9

10

6

Double Oven

2

3

4

5

Start

Cooking

Time

Convection

Bake

Oven

Off

Convection

Bake

Delay

Start

Delay

Start

Warm

REAR

UPPER 

O

VEN

Warm

Bake

Clock

Kitchen

Time

Check

Kitchen

Time

Check

TIME CONTROLS

LOWER OVEN

Clean

Off

7

8

9 10

6

1

FRONT

OVEN HEATING

FRONT

OVEN

REAR

Summary of Contents for Appliances C2S985

Page 1: ...PGB935 PGB980 PGB995 Technical Service Guide March 2012 GE Appliances 2 3 4 5 1 7 8 9 10 6 Double Oven 2 3 4 5 Start Cooking Time Convection Bake Oven Off Convection Bake Delay Start Delay Start Warm REAR UPPER OVEN Warm Bake Clock Kitchen Time Check Kitchen Time Check TIME CONTROLS LOWER OVEN Clean Off 7 8 9 10 6 1 FRONT OVEN HEATING FRONT OVEN REAR ...

Page 2: ...ical switch do not use any phone in the building Immediately call the gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach the gas supplier call the fire department 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...

Page 3: ...y 26 Convection Fan Cover 61 Convection Fan Motor 61 Converting the Cooktop Burners 69 Converting the Oven Burners 70 Converting the Pressure Regulator 69 Cooktop 31 Cooling Fan 52 Diagnostics and Service Information 68 Door Lock Assembly 38 Door Switch 53 Electronic Range Control ERC Pin Locator 29 Electronic Range Control ERC Failure Codes 73 Fan Apparent Device 38 Glow Bar Igniter 54 Igniter Sw...

Page 4: ...43 Oven Door Removal 42 Oven Gaskets 52 Oven Light Assemblies 67 Range Components 42 Range Top Components 30 Rear Cover 47 Regulator 46 Relay Contacts Operation Test and Control Voltage Check 71 Schematics and Wiring Diagrams 74 Side Panel 47 Spark Module 37 Surface Burner Igniters 31 Temperature Sensor 63 Testing the Flame Stability 30 Thermostat 64 Touch Panel and Electronic Range Control ERC 26...

Page 5: ... with a recessed surface to help contain spills and make cleaning easy Precise simmer burner Allows for low even heat distribution that is ideal for delicate foods and sauces Center oval burner Oval fifth burner in the center of the cooktop is large to accommodate odd sized cookware or griddles 5 4 cu ft oven capacity Enough room to cook an entire meal at once Baking drawer Offers an additional 1 ...

Page 6: ...e on GE and Profile units and located in the rear top left corner on Café models The nomenclature tag is on the bottom left side of the lower oven front frame Brand P Profile C Café J GE P G B 9 9 5 D E T 1 S S Nomenclature Model Number Profile model shown Feature Pack Designates features the higher the number the more features Product Color SS Stainless steel Indicator for Engineering and Product...

Page 7: ...ectors no longer than 6 feet in length WARNING To reduce the risk of tipping the range the range must be secured by a properly installed anti tip bracket Follow the instructions packaged with the bracket To check if the bracket is installed and engaged properly look underneath the range to see that the rear leveling leg is engaged in the bracket On some models the storage drawer or kick panel can ...

Page 8: ...3 3 4 48 29 3 4 36 1 2 30 30 3 4 Dimension includes handle with doors closed Dimension are referenced from the point at the back of the range that will contact the rear wall first Max dimension should be considered between the upper and lower doors HSWK ZLWK GRRU RSHQ HLJKW WR EDFNJXDUG EDVHG RQ DIp VW OH EDFNJXDUG NLW LQVWDOOHG µ HSWK ZLWK GRRU FORVHG LQFOXGHV GRRU KDQGOH HSWK YDULHV GHSHQGLQJ RQ...

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Page 13: ... 13 Continued next page ...

Page 14: ... 14 Continued next page HOLD 3 SEC JGB870 PGB995 JGB870 PGB995 CGS990 Models CGS990 Models ...

Page 15: ... 15 Continued next page ...

Page 16: ... 16 GAS CONTROL LOCKOUT Continued next page ...

Page 17: ... 17 K Continued next page ...

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Page 19: ... 19 Touch Panel and ERC Manifold Panel Continued next page Component Locator Views Top View Profile and GE models Top View Café models Touch Panel and ERC ...

Page 20: ... 20 Continued next page Burner Assembly Rangetop Burner Assembly Shown with Grates Removed Burner Orifice Burner Head Assembly Burner Cap Igniter Electrode ...

Page 21: ...E models Burner Burner Box Burner Burner Burner Burner Door Lock Igniter Switch Igniter Switch Igniter Switch Igniter Switch Igniter Switch Upper Oven Switch Continued next page Burner Burner Burner Burner Box Tri Burner Burner Cooling Fan Fan Apparent Device Door Lock under shield Igniter Switch 1 of 5 Thermostat ...

Page 22: ...models Profile model shown with back cover and cooktop removed Continued next page Gas Valve Convection Fan Motor Igniter Oven Sensor Thermostat Capillary Gas Valve Igniter Igniter Bake Assist LO Regulator Spark Module behind cover ...

Page 23: ...els Café model shown with back cover and cooktop removed Cooling Fan Convection Fan Motor Regulator Igniter Gas Valve Spark Module Gas Valve Bake Assist LO Oven Sensor Thermostat Capillary Igniter Igniter Continued next page ...

Page 24: ... Café model shown with side panel and cooktop removed Profile and GE models look the same from this view Gas Lockout Valve Cavity TCO Cavity TCO Lockout Relay Door Lock Assembly Door Hinge Door Hinge Continued next page ...

Page 25: ... 25 Convection Fan Broil Burner Bake Burner under bottom pan Halogen Lamp 1 of 3 Thermostat Capillary Meat Probe Outlet Bake Assist Temperature Sensor Door Switch Oven Gasket Oven Cavities ...

Page 26: ...f meat probe is plugged in Numerical Pads Audible tone Can only be used after another function has been selected To remove the touch panel and ERC Profile and GE models 1 Remove the two T 15 Torx screws from the bottom of the control panel WARNING Components on the control panel are electrically hot when voltage is connected to the range The control panel assembly consists of a glass touch panel a...

Page 27: ...ntrol panel to remove the glass touch panel Disconnect To remove the touch panel and ERC Café models 1 Remove the cooktop See Cooktop 2 Remove the 6 Phillips head screws from the bottom of the control panel 3 on each side 3 Pull the 6 knobs off the control panel 4 Remove the 7 Phillips head screws and two T 15 Torx screws holding the control panel to the burner valves Continued next page 5 Remove ...

Page 28: ...ckets 1 not shown Bracket 11 Turn the control panel over to expose the control board bracket Release the control board tabs from the control panel and remove the control panel from the range Tab Tab Control Board Bracket 12 Mark and disconnect the 15 wires and wiring harnesses from the control board 13 Remove the 4 Phillips head screws from the control board bracket 9 Remove 2 Phillips head screws...

Page 29: ... HI TB542 GasS Convection Fan LO TB601 Upper Oven Mode Select to external relay TB620 Oven Light OL TB630 Cooling Fan TB640 Cooktop Gas Lockout Valve TB650 Door Lock Motors Unlock TB502 Bake Lower Cavity Glow Bar BAKE TB503 Convection Fan Enable jumpered to TB540 TB655 Door Lock Motors Lock TB660 L1 to Upper Oven Self Clean Enable TB661 Upper Oven Self Clean Enable TB680 Thermostat Clean Position ...

Page 30: ...rs 2 Turn the knob on the burner being adjusted to LO Low or SIM Simmer 3 Remove the knob and insert a small flat blade screwdriver into the valve shaft and turn it clockwise to fully tighten the bypass screw Repeat this process for each screw Testing the Flame Stability Test 1 Quickly turn the knob from HI to LOW If the low flame goes out increase the flame size and test again Test 2 For each bur...

Page 31: ...urner caps and heads 2 If able to reach under the burner hole push the igniter out of the cooktop Otherwise carefully insert a small flat blade screwdriver between the edge of the igniter and the cooktop to gently pry the igniter up Igniter Igniter Cooktop The cooktop can be removed without disconnecting the gas supply to the range and without discon necting the manifold inlet gas tube to the mani...

Page 32: ...ooktop See To remove the cooktop Café models steps 1 3 2 Insert a putty knife between the cooktop and manifold panel 2 inches from either side 3 Lift the cover as you push in each release clip 4 Lift the front of the cooktop panel upward approximately 45 degrees 5 Lower the rear of the cooktop panel to disengage the hinge slots from the hinge pins 6 Lift the cooktop panel up and over the hinge pin...

Page 33: ...he igniter do not damage the heat shrink insulation on the wire If damaged repair insulation with fiberglass tape 3 Unplug the wire from the igniter Note When connecting the igniter ensure the wire is pressed as far as possible into the igniter base Manifold Panel On Profile and GE models it is necessary to remove the manifold panel to access the igniter switch assembly and burner valves To remove...

Page 34: ...tion In WM When the cooktop is locked out this removed voltage allows the ERC to display ERR and sound a continuous error tone This informs the user that they cannot operate the cooktop in the lockout mode Left Rear Switch Housing Shown In Off Position cover removed for clarity Valve Position Igniter Switch Lockout Switch OFF Open Closed LITE Closed Open On Open Open 5 Remove the 2 Phillips head s...

Page 35: ...ed by the manifold bracket remove the burner valve from the manifold See Burner Valves Igniter Switch Assembly Test To test the igniter switch assembly on Café models remove the control panel See Touch Panel and Electronic Range Control ERC To test the igniter switch assembly on Profile and GE models remove the manifold panel See Manifold Panel Disconnect the igniter switch assembly harness Check ...

Page 36: ...Switch Assembly 3 For single burner valves remove the 13 mm nut and 1 4 in hex head screw 13 mm Nut Burner Valve 4 For the tri burner valve remove the 13 mm nut the 9 16 in nut and 1 4 in hex head screw Burner Valve 9 16 in Nut 13 mm Nut Valve Seal Valve Seal To remove the single burner valve Profile and GE models 1 Remove the manifold panel See Manifold Panel 2 Pull the igniter switch off the bur...

Page 37: ... models remove the rear cover See Rear Cover 3 Connect power to the range 4 Turn off the gas supply or lock out the surface burners See Control Features 5 With a burner knob turned to the LITE position test for line voltage 120 VAC from the violet wire at the switch harness to N neutral on the ERC To remove the spark module Profile and GE models 1 Place the control panel in the service position Se...

Page 38: ...st The lower door lock has an extra switch that switches L1 to the driving circuit of the upper door motor NOTE The control display flashes LOCK if the door switch is in the C to NC position door open LOCK flashes on and off in the display if one of the door lock motors is in motion When the door is locked LOCK remains illuminated in the display CAM The cam on the motor performs two functions 1 Po...

Page 39: ...ove the two 1 4 in hex head screws holding the door lock assembly to the frame Door Lock Assembly Caution It is possible to connect the switch wiring incorrectly to the lock assembly When connecting the wiring make sure it is properly connected to the lock assembly before turning the power back on 6 Remove the door lock assembly from the range then mark and disconnect the 8 wires To remove the upp...

Page 40: ...n TCO see Cavity Thermal Cut Out TCO the white wire from the latch motor and the ground wire from the lock assembly bracket 5 Pull the lock assembly out from the left side of the frame 6 Mark then disconnect the 11 wires attached to the lock assembly or transfer the wires 1 at a time to the replacement lock assembly Disconnect Disconnect 4 Remove the wire bundle from the 2 wire retainers Wire Reta...

Page 41: ...e lock motor circuit and the lock switch circuit The lock motor circuit applies voltage 120 VAC to the lock motor This circuit is from L1 thru the door switch lock relay and lock motor to neutral For this circuit to be complete the lock relay must be energized by the control and the door must be closed An open oven door results in LOCK DOOR flashing in the display after the control has been progra...

Page 42: ...very heavy Use the correct lifting procedure Do not lift the door by the handle To remove the upper oven door 1 Open the door fully 2 Lift each hinge lock toward the oven frame until it stops A tool such as a small flat blade screwdriver may be required Hinge Door Lock 3 Close the door 45 degrees until the hinge lock rests on the oven frame 4 Press down simultaneously on each release button locate...

Page 43: ... Remove the four 1 4 in hex head screws from the bottom of the outer door assembly Note The inner door assembly is heavier than the outer door assembly 5 Separate the inner door assembly from the outer door assembly To remove the lower oven door 1 Open the door fully 2 Pull the hinge locks back to the unlocked position A tool such as a small flat blade screwdriver may be required Hinge Door Lock 3...

Page 44: ...urn the door over and remove both door hinges 3 Remove the 2 Phillips head screws 1 on each side from the bottom of the inner door Continued next page 6 Remove the six 1 4 in hex head screws 3 on each side that hold the door handle to the outer door assembly 4 Remove the 10 Phillips head screws and the heat barrier from the inner door panel 5 Remove the inner glass assembly from the inner door Hea...

Page 45: ...ter door 5 Remove the 2 Phillips head screws from the inner door Note The inner door assembly is heavier than the outer door assembly 6 Separate the inner door assembly from the outer door assembly 7 Remove the six 1 4 in hex head screws 3 on each side that hold the door handle to the outer door Continued next page To replace the upper inner door assembly 1 Remove the outer door assembly See To re...

Page 46: ...rier Inner Glass Assembly Insulation Regulator To remove the regulator 1 Remove the range from its installation 2 Remove the 9 16 in and 11 16 in hex head nuts holding the gas lines to the regulator 3 Remove the three 1 4 in hex head screws and the regulator bracket 9 16 in Nut 11 16 in Nut 4 Remove the three 1 4 in hex head screws from the regulator bracket ...

Page 47: ...he side panel must be removed to access the upper and lower oven TCOs gas lockout valve latch assembly and upper oven lockout relay To remove the side panel 1 On Café models remove the control panel See Touch Panel and Electronic Range Control ERC 2 On Profile and GE models remove the manifold panel See Manifold Panel 3 Remove the rear cover See Rear Cover 4 Remove the remaining 1 4 inch hex head ...

Page 48: ...fully swing the side panel away from the range Use a large flat blade screwdriver to pry the panel out of the retainer clip while pulling the top front of the side panel out Screwdriver Retainer Clip 7 On Profile and GE models remove the extra 1 4 in hex head screw holding the side panel to the rear touch panel and ERC bracket ...

Page 49: ... the surface burners oven burners and control panel so they cannot be activated See Control Features The purpose of the lockout valve is to shut off the gas supply to the surface burners when this feature is selected Note The cooktop is locked out when the oven is in self clean mode See Control Features The lockout valve will not operate if a surface burner is in the on position The ERC AUX termin...

Page 50: ...UTLET VIEW BALL POSITION LOCKOUT VALVE CLOSED On café models the resistance of the lock motor can be checked by removing the rear cover See Rear Cover The lock motor has an approximate resistance value of 2 1 k On Profile and GE models the resistance of the lock motor can be checked on the ERC Place the control panel in the service position See Touch Panel and Electronic Range Control ERC Test bet...

Page 51: ...hex head screws that hold the TCO to the oven cavity Disconnect Disconnect Lockout Relay The ERC operates a lockout relay that prevents the upper oven from operating when the lower oven is in self clean When the lower oven is placed into self clean the ERC sends line voltage to the lockout relay The energized relay disconnects line voltage to the upper oven thermostat control The ERC also uses thi...

Page 52: ...en the sensor drops below 175 F 79 C The cooling fan can be checked by removing the oven vent trim See Cooktop step 5 It has an approximate resistance value of 24 To remove the cooling fan 1 Remove the cooktop See Cooktop 2 Disconnect the 3 wires from the fan motor and the wire clip 3 Remove the six 1 4 in hex head screws and the cooling fan Disconnect Disconnect Disconnect Disconnect Cooling Fan ...

Page 53: ... while pulling the switch from the door frame 4 Insert the small flat blade screwdriver on the other spring clip depress the spring clip and pull the switch from the door frame 5 Disconnect the door switch wire harness Switch Disconnect Upper Oven Door Hinge The upper oven door hinge is attached to the frame with two T 15 Torx screws To replace it the left side panel must be removed See Side Panel...

Page 54: ...urner box galvanized box surrounding oven burner and inspect the single row of secondary holes beneath the bake burner for signs of blockage Also be sure items in the storage drawer do not push against the ceiling of the drawer area If pushed hard enough the ceiling will flex upward and close off the secondary air holes 3 Improper alignment of orifice hood and burner Orifice must be pointing strai...

Page 55: ...pen measurement indicates an open valve winding open broil igniter or open wiring To remove the broil burner and glow bar igniter 1 Remove the oven door See Oven Door Removal 2 Remove the 1 4 in hex head screw that attaches the broil burner to the top of the oven cavity 3 Remove the two 1 4 in hex head screws that attach the glow bar igniter to the side of the broil burner 4 Pull the broil burner ...

Page 56: ... bake igniter or open wiring Upper Oven To remove the bake burner and replace the glow bar igniter 1 Remove the oven door See Oven Door Removal 2 Remove the rear cover See Rear Cover 3 Remove the two 1 4 in hex head screws 1 on each side from the oven floor cover 4 Grasp the oven floor slots lift the rear of the oven floor cover then slide the cover forward and remove it from the oven cavity Bake ...

Page 57: ...at attach the burner to the burner box Disconnect Wire Tie 9 Remove the two 1 4 in hex head screws that attach the bake igniter to the side of the burner and remove the burner from the oven cavity 10 Remove the top 1 4 in hex head screw from the gas inlet tube shield 11 Strip 2 inches of insulation off a length of stranded wire at least 18 inches 12 Route the stripped end of the wire thru the igni...

Page 58: ... the following step is performed it will be necessary to guide the igniter harness thru the opening in the rear panel 18 Remove the retrieval wire and connect the igniter wire harness Lower Oven To remove the bake burner and glow bar igniter 1 Follow steps 1 5 from the upper oven procedure to remove the bake burner and replace the glow bar igniter 2 Disconnect the bake igniter wire harness Continu...

Page 59: ...he bake and broil burner assemblies should be inspected Bake and Broil Burner Test 1 Remove the oven door See Oven Door Removal 2 Remove the oven bottom and flame spreader burner baffle See Bake Burners and Glow Bar Igniters steps 1 5 3 Install the oven door 4 Close the oven door set the control for BAKE and observe the bake burner flame 5 Observe the flames for a period of at least 2 minutes The ...

Page 60: ...must be clear all the way down to the metal shield below the 0 314 in 8 mm opening 4 Use a screwdriver to loosen the air shutter adjustment screw 5 Adjust the air shutter to 11 32 in 8 7 mm a If the flames were yellow during the test open the air shutter an additional 1 32 in 0 79 mm b If the flames blow away or fluttered from the burner during the test close the air shutter an additional 1 32 in ...

Page 61: ...3 wires from the convection fan motor Disconnect Disconnect Disconnect Arrow Continued next page On Profile and GE models the resistance of the convection fan can be checked on the ERC Place the control panel in the service position See Touch Panel and Electronic Range Control ERC Test the low speed winding between TB102 N and the brown wire on TB542 FAN LO for the approximate resistance value of ...

Page 62: ...e fan blade is attached to the D shaped motor shaft with a left hand thread Convection Fan Notes The convection fan will not come on if the door switch is open or while there is a call for heat from the oven temperature sensor gas burner on The fan will only start to operate 10 seconds after the burners turn off The fan has a high and low speed and will only run in one direction If the convection ...

Page 63: ...ness from location CN2 On the wire harness connector test between the pin at location 6 and the pin at location 8 The temperature sensor has an approximate resistance value of 1100 at room temperature 1650 at 350 F 177 C 2650 at clean temperature To remove the temperature sensor 1 Remove the oven door See Oven Door Removal 2 Remove the rear cover See Rear Cover 3 Disconnect the sensor wire harness...

Page 64: ... oven models in the upper oven cavity To remove the thermostat 1 Remove the oven door See Oven Door Removal 2 Remove the rear cover See Rear Cover 3 On Profile and GE models remove the cooktop See Cooktop 4 On Café models remove the right side panel See Side Panel 5 Compress the thermostat capillary clips to remove them from the back wall of the oven cavity 6 Unsnap the thermostat capillary from t...

Page 65: ...pen valve winding open bake igniter or open wiring Broil Winding Turn the upper oven knob to BROIL and test between the red wire on pin TB661 MCOM and TB102 N Check for the approximate resistance value of 228 An open measurement indicates an open valve winding open broil igniter or open wiring To remove the upper oven gas valve 1 Remove the oven door See Oven Door Removal 2 Remove the rear cover S...

Page 66: ...ck for the approximate resistance value of 138 An open measurement indicates an open valve winding open bake igniter or open wiring To remove the upper oven gas valve 1 Remove the rear cover See Rear Cover 2 Remove the three 1 4 in hex head screws and the lower gas valve cover 9 16 in Nut 9 16 in Nut Disconnect 6 Use a 9 16 in wrench to disconnect the bake outlet tube from the gas valve 7 Remove t...

Page 67: ...not come on during the self clean cycle or if the sabbath feature is set Each light assembly consists of a removable light cover a wire harness and a light lens with a halogen bulb and socket On Café models the oven light resistance can be checked by removing the rear cover See Rear Cover Each oven light bulb has an approximate resistance value of 26 8 On Profile and GE models the resistance of th...

Page 68: ...ker Burner parts not replaced correctly Make sure pins in the burner head are properly located in the burner base holes Holes or slits in burners clogged Clean or replace as necessary Make sure all components are dry before reassembly Liquid in burner base due to spillage Remove burner ring to check Clean and dry thor oughly before reassembly Orifices plugged or dirty Clean or replace as necessary...

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Page 73: ...tely 40 seconds F9 door lock false while above Runaway Setpoint unlatched Door Lock temperature or FAD device setpoint exceeded Unlock Latch Changing status to Lock Latch of Motor changing to Un Lock while above run away set point FC Door Latch error Unlock home and lock home are try simultaneously FD Probe failure Shorted Probe FF Control failure Loss of door motor redundant driver protection Ele...

Page 74: ...ng Caution Label all wires prior to disconnection Wiring errors can cause improper and dangerous operation Verify operation after servicing Schematics and Wiring Diagrams Continued next page 6 0 7 5 0 51 1 3RZHU PXVW EH GLVFRQQHFWHG EHIRUH VHUYLFLQJ WKLV DSSOLDQFH 3 ...

Page 75: ... 75 Wiring Diagram 1 2 3 4 5 6 8 MEAT PROBE CIRCUIT PINS 1 2 UNLOCKED DOOR LOCKED DOOR LOCK COMMON MEAT SENSOR CIRCUIT PINS 6 8 ...

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