GE C2S985 Technical Service Manual
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GE C2S985 Technical Service Manual

Gas ranges
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See also: Installation Instructions & Owner's Manual
GE Appliances
Technical Service Guide
March 2012
GE Gas Ranges
C2S985
CGS985
CGS990
JGB870
P2B930
PGB900
PGB910
PGB915
PGB930
PGB935
PGB980
PGB995
31-9224
GE Appliances
General Electric Company
Louisville, Kentucky 40225

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  • Page 1 GE Appliances Technical Service Guide March 2012 GE Gas Ranges C2S985 CGS985 CGS990 JGB870 P2B930 PGB900 PGB910 PGB915 PGB930 PGB935 PGB980 PGB995 31-9224 GE Appliances General Electric Company Louisville, Kentucky 40225...
  • Page 2 If grounding wires, screws, straps, clips, nuts, or washers used to complete a path to ground are removed for service, they must be returned to their original position and properly fastened. GE Appliances Technical Service Guide Copyright © 2011 All rights reserved. This service guide may not be reproduced in whole or in part in any form without written permission from the General Electric Company.

  • Page 3: Table Of Contents

    Table of Contents Bake and Broil Burner Flame Adjustments ......................59 Bake Burners and Glow Bar Igniters ........................56 Broil Burner and Glow Bar Igniter ..........................55 Bake Assist ...................................56 Burner Output Ratings ..............................72 Burner Valves ..................................36 Cavity Thermal Cut Out (TCO) ............................51 Component Locator Views ............................19 Control Features ................................
  • Page 4 Lower Oven Gas Valve..............................66 Low Flame Simmer Adjustment ..........................30 LP Conversion Instructions ............................69 Maintop Burner Alignment ............................30 Manifold Panel..................................33 Meat Probe Outlet................................62 Motorized Door Lock Circuit Information ......................41 Nomenclature ..................................6 Oven Burner Ignition System ............................54 Oven Components ................................54 Oven Door Assembly ..............................43 Oven Door Removal .................................42 Oven Gaskets ..................................52 Oven Light Assemblies ..............................67...

  • Page 5: Introduction

    Introduction The Café, Profi le, and GE gas ranges have some of the following features: • Gas convection oven – Circulates air throughout the oven cavity ensuring better baking and roasting results. • Self-clean oven – Conveniently cleans the oven cavity without the need for scrubbing.

  • Page 6: Nomenclature

    The mini-manual is taped to the back of the Z - 2000 V – NOV 2004 – G Z - 1988 range on GE and Profi le units and located in Z – DEC 2003 – F the rear, top, left corner on Café models. A – JAN 2002 –...

  • Page 7: Installation

    Installation Installation information is for reference only. See the When checking for proper operation of the installation instructions shipped with the product regulator, the inlet pressure must be at least 1 inch for complete details and before attempting to install greater than the operating (manifold) pressure as the range.
  • Page 8 Minimum Clearances 30 3/4” 30” 48” 36-1/2” *29-3/4” **43-3/4” * 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.

  • Page 9: Control Features

    Control Features 9 8 7 6 5 4 3 2 1 Griddle Burner Hi Med Lo Griddle Burner (Continued next page) – 9 –...
  • Page 10 (Continued next page) – 10 –...
  • Page 11 (Continued next page) – 11 –...
  • Page 12 (Continued next page) – 12 –...
  • Page 13 (Continued next page) – 13 –...
  • Page 14 HOLD 3 SEC JGB870, PGB995, JGB870, PGB995, CGS990 Models CGS990 Models (Continued next page) – 14 –...
  • Page 15 (Continued next page) – 15 –...
  • Page 16 ONTROL OCKOUT (Continued next page) – 16 –...
  • Page 17 (Continued next page) – 17 –...
  • Page 18 – 18 –...

  • Page 19: Component Locator Views

    Component Locator Views Top View (Profi le and GE models) Touch Panel and ERC Manifold Panel Top View (Café models) Touch Panel and ERC (Continued next page) – 19 –...
  • Page 20 Burner Assembly Burner Cap Burner Head Assembly Rangetop Burner Assembly Burner Orifi ce (Shown with Grates Removed) Igniter (Electrode) (Continued next page) – 20 –...
  • Page 21 Maintop Burner Compartment (Profi le and GE models) Burner Box Burner Burner Burner Burner Burner Door Lock Upper Oven Igniter Switch Igniter Switch Igniter Switch Igniter Switch Switch Igniter Switch Maintop Burner Compartment (Café models) (Shown with Heat Shield Removed)
  • Page 22 Rear View (Profi le and GE models) (Profi le model shown with back cover and cooktop removed) Spark Module (behind cover) Thermostat Capillary Igniter Igniter Gas Valve Bake Assist LO Oven Sensor Regulator Convection Fan Motor Gas Valve Igniter (Continued next page)
  • Page 23 Rear View (Café models) (Café model shown with back cover and cooktop removed) Cooling Fan Igniter Thermostat Capillary Igniter Gas Valve Spark Module Bake Assist LO Oven Sensor Regulator Convection Fan Motor Gas Valve Igniter (Continued next page) – 23 –...
  • Page 24 Left Side View (Café model shown with side panel and cooktop removed. Profi le and GE models look the same from this view.) Cavity TCO Gas Lockout Valve Door Hinge Door Lock Assembly Cavity TCO Door Hinge Lockout Relay (Continued next page)
  • Page 25 Oven Cavities Broil Burner Door Switch Oven Gasket Halogen Lamp (1 of 3) Thermostat Capillary Temperature Sensor Bake Assist Meat Probe Outlet Convection Fan Bake Burner (under bottom pan) – 25 –...

  • Page 26: Control Panel Assembly

    Numerical Pads – Audible tone. Can only be used after another function has been selected. To remove the touch panel and ERC (Profi le and GE models): 1. Remove the two T-15 Torx screws from the bottom of the control panel.
  • Page 27 6. Mark and disconnect the 21 wires and wire To remove the touch panel and ERC (Café models): harnesses. 1. Remove the cooktop. (See Cooktop 2. Remove the 6 Phillips-head screws from the bottom of the control panel (3 on each side). 7.
  • Page 28 6. Pull the fi ber barrier out of the control panel. 10. Remove 2 Phillips-head screws and the 2 control panel brackets (1 not shown). 7. Slide the wire clips off the top of the control panel. Bracket Wire Clip Wire Clip 11.

  • Page 29: Electronic Range Control (Erc) Pin Locator

    Electronic Range Control (ERC) Pin Locator TB541 RY500A TB655 TB601 TB640 TB620 TB542 TB502 TB503 TB102 TB630 TB540 TB101 TB650 RY500B TB680 TB661 TB660 CN6 CN420 CN950 TB601 – Upper Oven Mode Select (to external relay) CN2 – Oven Sensor, Upper and Lower Door Latch, and Meat Probe TB620 –...

  • Page 30: Low Flame Simmer Adjustment

    Range Top Components 4. For the tri-ring burner, remove the knob and Maintop Burner Alignment insert a small fl at blade screwdriver into the small hole to the right of the valve shaft and For proper operation of the burner, alignment of the turn down the bypass screw.

  • Page 31: Cooktop

    Caution: When removing the wire from the igniter, do Surface Burner Igniters not damage the heat shrink insulation on the wire. If damaged, repair insulation with fi berglass tape. The igniters for the single burners are inserted thru the cooktop and attached to the burner brackets. All 3.
  • Page 32 6. Lift the cooktop panel up and over the hinge from the range. pins and remove the cooktop panel. Hinge Slot To remove the cooktop (Profi le and GE models): Hinge Pin 1. Remove the surface burner igniters and the screws holding the burners to the cooktop. (See , steps 1–3.)

  • Page 33: Manifold Panel

    Manifold Panel The front right burner is a 4-orifi ce power burner. On Profi le and GE models, it is necessary to remove The Café models are rated at 20k BTU and the GE the manifold panel to access the igniter switch and Profi...

  • Page 34: Igniter Switch Assembly

    5. Remove the 2 Phillips-head screws and two T-15 Igniter Switch Assembly Torx screws holding the control panel to the burner valves. Each surface burner utilizes a switch housing that is wired to a single harness. Inside each housing are 2 switches. When the burner valve is advanced from the OFF position to the LITE position, the igniter switch closes.
  • Page 35 To remove the igniter switch assembly: 1. On Café models, remove the control panel. (See Touch Panel and Electronic Range Control (ERC) 2. On Profi le and GE models, remove the manifold panel. (See Manifold Panel 3. On Profi le and GE models where the igniter...

  • Page 36: Burner Valves

    3. For single burner valves, remove the 13-mm nut and 1/4-in. hex-head screw. Valve Seal Valve Seal 13-mm Nut To remove the single burner valve (Profi le and GE models): 1. Remove the manifold panel. (See Manifold Panel Burner Valve 2.

  • Page 37: Spark Module

    The line voltage input to the spark module can be checked on the ERC. To test for line voltage to the spark module: 1. On Profi le and GE models, place the control panel in the service position. (See Touch Panel...

  • Page 38: Door Lock Assembly

    3. Release the spark module from the range by Door Lock Assembly pressing the 2 tabs. The door lock assembly consists of a lock motor cam and switch assembly, lock hook, and mounting plate. The lock motor is energized when the control is set for the self-clean mode.
  • Page 39 Assembly 4. Slide the lock assembly cover back to release it from the tabs. To remove the upper oven door lock assembly (Profi le and GE models): 1. Remove the cooktop. (See Cooktop 2. Remove the two 1/4-in. hex-head screws holding the door lock assembly to the frame.
  • Page 40 To remove the lower oven door lock assembly: 5. Pull the lock assembly out from the left side of the frame. 1. Remove the left side panel. (See Side Panel 6. Mark, then disconnect the 11 wires attached to 2. Remove the two 1/4-in. hex-head screws the lock assembly or transfer the wires, 1 at a holding the door lock assembly to the frame.

  • Page 41: Motorized Door Lock Circuit Information

    • As the cam revolves about 1/2 rotation Motorized Door Lock Circuit Information (approximately 12 seconds), it moves the lock hook into a corresponding slot in the oven door There are two circuits that control the door lock. to secure it. These are the lock motor circuit and the lock switch circuit.

  • Page 42: Oven Door Removal

    Note: When testing certain components on Profi le button located on the top of the hinges. and GE models, it is easier to check their resistance 5. Lift the door up until it is clear of the door on the ERC by placing the control panel in the hinges.

  • Page 43: Oven Door Assembly

    To remove the lower oven door: Oven Door Assembly 1. Open the door fully. The oven door can be separated into 2 assemblies. The outer door assembly consists of the outer 2. Pull the hinge locks back to the unlocked panel, reinforcement plate, and a replaceable door position.
  • Page 44 6. Remove the six 1/4-in. hex-head screws (3 on 3. Remove the 2 Phillips-head screws (1 on each side) from the bottom of the inner door. 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.
  • Page 45 6. Remove the door gasket and insulation from the Note: The inner door assembly is heavier than the inner door. 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.

  • Page 46: Regulator

    3. Remove the 10 Phillips-head screws and the Regulator heat barrier from the inner door. 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. Heat Barrier 3.

  • Page 47: Rear Cover

    To remove the side panel: 1. On Café models, remove the control panel. (See Touch Panel and Electronic Range Control (ERC) 2. On Profi le and GE models, remove the manifold panel. (See Manifold Panel 3. Remove the rear cover. (See Rear Cover 4.
  • Page 48 5. Remove the Phillips-head screw from the front 7. On Profi le and GE models, remove the extra 1/4- panel. in. hex-head screw holding the side panel to the rear touch panel and ERC bracket. 8. Carefully swing the side panel away from the range.

  • Page 49: Lockout Valve

    SWITCH POSITION – LOCKOUT VALVE OPEN Lockout Valve The range lockout feature (on some models), will allow the user, thru the ERC control, to lock out the surface burners, oven burners, and control panel, so they cannot be activated. (See .) The Control Features purpose of the lockout valve is to shut off the gas...
  • Page 50 ) The lock motor has an approximate Rear Cover. resistance value of 2.1 k. On Profi le 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 .) Test between N and...

  • Page 51: Cavity Thermal Cut Out (Tco)

    Cavity Thermal Cut Out (TCO) Lockout Relay The upper and lower cavity TCOs are located behind The ERC operates a lockout relay that prevents the the left side panel. Both oven cavity TCOs are wired upper oven from operating when the lower oven in series between the latching motors and the ERC.

  • Page 52: Cooling Fan

    3. Remove the six 1/4-in. hex-head screws and the Cooling Fan cooling fan. The Café models use a single squirrel cage cooling fan in the right rear corner of the cooktop. Air is pulled in by the fan blades and circulated in the component compartment located under the burner Cooling Fan box.

  • Page 53: Door Switch

    Upper Oven Door Hinge Door Switch The upper oven door hinge is attached to the frame The oven utilizes a door switch located on the left with two T-15 Torx screws. To replace it, the left side side of the door frame which is accessible from panel must be removed.

  • Page 54: Glow Bar Igniter

    Note: When testing certain components on Profi le Check the glow bar circuit with a clamp-on and GE models, it is easier to check their resistance ammeter. If the igniter glows red, but the circuit does on the ERC by placing the control panel in the not draw at least 2.9 amps, the fault is likely with the...

  • Page 55: Broil Burner And Glow Bar Igniter

    The resistance of the broil burner glow bar igniter on Broil Burner Profi le and GE models can be checked on the ERC. Place the control panel in the service position. (See .) Turn...

  • Page 56: Bake Burners And Glow Bar Igniters

    The resistance of the bake burner glow bar igniter 2. Remove the rear cover. (See Rear Cover on Profi le and GE models can be checked on the ERC. Place the control panel in the service position. 3. Disconnect the 2 wires from the rear of the bake...
  • Page 57 5. Remove the two 1/4-in. hex-head screws that 9. Remove the two 1/4-in. hex-head screws that attach the burner baffl e to the burner box. attach the bake igniter to the side of the burner and remove the burner from the oven cavity. Note: When installing the burner baffl...
  • Page 58 Note: As the following step is performed, it will be Lower Oven necessary to guide the igniter harness thru the To remove the bake burner and glow bar igniter: opening in the rear panel. 1. Follow steps 1–5 from the upper oven procedure to remove the bake burner and replace the glow bar igniter.

  • Page 59: Bake And Broil Burner Flame Adjustments

    5. Remove the 2 Phillips-head screws from the Bake and Broil Burner Flame Adjustments top of the metal shield and the three 1/4-in. hex-head screws from the bottom. Remove the WARNING: Adjustments require disassembly of the metal shield from the oven cavity. burner section.
  • Page 60 To correct any fl ame problems, perform the Broil Burner following procedures: The broil burner is accessible and located in the top Bake Burner center of the oven. 1. Remove the oven door. (See 1. Remove the oven door. (See Oven Door Removal Oven Door Removal 2.

  • Page 61: Convection Fan Cover

    On Profi le and GE models, the resistance of the Convection Fan Cover convection fan can be checked on the ERC. Place the control panel in the service position. (See Touch To remove the convection fan cover: .) Test the Panel and Electronic Range Control (ERC) 1.

  • Page 62: Meat Probe Outlet

    4. Remove the 13-mm nut from the convection fan Meat Probe Outlet blade by securely holding the blade and turning the nut clockwise. The meat probe resistance should be between 30 k and 50 k at room temperature. The meat probe outlet is located in the lower oven cavity toward the front, upper left corner.

  • Page 63: Temperature Sensor

    (See Rear Cover On Profi le and GE models, the resistance of the temperature sensor can be checked at the ERC. Place the control panel in the service position. (See Touch Panel and Electronic Range Control (ERC) Disconnect the wire harness from location CN2.

  • Page 64: Thermostat

    Oven Door Removal Capillary 2. Remove the rear cover. (See Rear Cover 3. On Profi le and GE models, remove the cooktop. (See Cooktop 4. On Café models, remove the right side panel. 8. Mark and disconnect the 10 wires from the...

  • Page 65: Upper Oven Gas Valve

    1 Each winding is wired in series with an igniter. On Profi le and GE models, the continuity of each valve winding can be checked on the ERC. Place the control panel in the service position. (See...

  • Page 66: Lower Oven Gas Valve

    1 The winding is wired in series with an igniter. On Profi le and GE models, the continuity of the valve winding can be checked on the ERC. Place the control panel in the service position. (See...

  • Page 67: Oven Light Assemblies

    .) Each oven light bulb has an approximate Cover resistance value of 26.8 . On Profi le and GE models, the resistance of the light bulb circuit can be checked on the ERC. Place the control panel in the service position. (See...

  • Page 68: Diagnostics And Service Information

    Diagnostics and Service Information Problem Possible Causes What to Do Burner fl ames are Incorrect gas being used. • Check for correct gas supply. very large, yellow, or yellow-tipped The combustion quality of • Use the illustrations below to determine if the burner fl...

  • Page 69: Converting The Cooktop Burners

    LP Conversion Instructions Converting the Cooktop Burners Converting the Pressure Regulator (Continued next page) – 69 –...

  • Page 70: Converting The Oven Burners

    Denotes 0.95mm Orifice size opening Denotes LP (Propane) Gas Converting the Oven Burners Gas oven models only. Orange/Green Orange/Green Blue/Blue Black Black Orange/Silver White Black (Continued next page) – 70 –...

  • Page 71: Relay Contacts Operation Test And Control Voltage Check

    Relay Contacts Operation Test and Control Voltage Check Relay Terminals Voltage BAKE BAKE to N 120 VAC in BAKE BROIL BROIL to N 120 VAC in BROIL LATCH MDL to N 120 VAC OVEN LIGHT to L1 120 VAC LIGHT FAN LO FAN L to N 120 VAC in...

  • Page 72: Burner Output Ratings

    Denotes LP (Propane) Gas Denotes 1.98 mm Orifice size opening Denotes Natural Gas Denotes 1.98 mm Orifice size opening Denotes Natural Gas GE Models Denotes 0.95mm Orifice size opening Denotes LP (Propane) Gas Denotes 1.98 mm Orifice size opening Denotes Natural Gas...

  • Page 73: Electronic Range Control (Erc) Failure Codes

    Electronic Range Control (ERC) Failure Codes The oven may stop operating and not give an F code on the display immediately. F codes are stored in nonvolatile eprom memory until the same fault occurs twice consecutively. When that occurs, the F code will be displayed on the ERC.

  • Page 74: Schematics And Wiring Diagrams

    Schematics and Wiring Diagrams WARNING: Disconnect electrical power before servicing. Caution: Label all wires prior to disconnection. Wiring errors can cause improper and dangerous operation. Verify operation after servicing. Schematic (Continued next page) – 74 –...
  • Page 75 Wiring Diagram MEAT PROBE CIRCUIT PINS 1 & 2 UNLOCKED DOOR LOCKED DOOR LOCK COMMON MEAT SENSOR CIRCUIT PINS 6 & 8 – 75 –...

  • Page 76: Warranty

    Warranty – 76 –...

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