GE PT925 manual

GE Appliances General Electric Company Louisville, Kentucky 40225 31-9176 GE Pr ofile W all Oven PT925 T echnical Ser vice Guide September 2008 GE Consumer & Industrial[...]

– 2 – IMP ORT ANT SAFET Y NOTICE The information in this service guide is intended for use by individuals possessing adequate backgrounds of electrical, electronic, and mechanical experience. Any attempt to r epair a major appliance may result in personal injury and pr operty damage. The manufacturer or seller cannot be r esponsible for the int[...]

– 3 – Table of Contents Bake Element ...................................................................................................................................................................... 36 Broil Element .............................................................................................................................[...]

– 4 – Introduction The new 30-in. wall ovens have superior style and performance. These ovens feature electr onic controls that utilize the precision of modern digital technology. Additional featur es include: Glass T ouch LCD Controls - Combine a smooth, easy-to-clean glass design with lar ge, easy-to-read • graphics to facilitate easier usa[...]

– 5 – The nomenclature plate is located on the fr ont right behind the oven door . The mini-manual is attached to the right side wall of the oven. Featur e Pack Designates features–the higher the number , the more features. GE Cooking Product P = Profile Configuration T = 30-in. Wall Oven Product Color SS = Stainless Steel BB = Black WW = W[...]

– 6 – Control F eatur es ( Continued next page ) Features and appearance may vary . BAKE Pad Touch to select the bake function. BROIL HI/L O Pad Touch to select the br oil function. PIZZA Pad Touch to select the Pizza f unction. OVEN LIGHT Pad Touch to turn the oven light on or off . SELF CLEAN HI/L O Pad Touch to select self -cleaning function[...]

– 7 – How to Set the Upper Oven for Baking T ouch the 1. BAKE pad. T ouch the number pads to set the desired temperatur e. 2. T ouch the 3. START pad. Check if food is done at minimum time of the recipe. Cook longer if 4. necessary. T ouch the 5. CLEAR/OFF pad when cooking is complete. Using the Upper and Lower Ovens How to Set the Lower Oven f[...]

– 8 – How to Set an Immediat e Start and Aut omatic Stop The oven will turn on immediately and cook for a selected length of time. At the end of the cooking time, the oven will turn off automatically. T ouch the 1. BAKE pad. T ouch the number pads to set the desired oven temperature. 2. T ouch the 3. COOK TIME pad. Note : If the recipe requir e[...]

– 9 – How to Set a Delayed Star t and Automatic St op The oven will turn on at the time of day you set , cook for a specific length of time, and then turn off automatically. Make sure the clock shows the corr ect time of day. T ouch the 1. BAKE pad. T ouch the number pads to set the desired oven temperature. 2. T ouch the 3. COOK TIME pad. Not[...]

– 10 – How to Set the Lower Oven for Baking/Roasting When Using the Probe Insert the probe fully into the food. 1. Plug the probe into the outlet in the oven. Make sur e it’s pushed all the 2. way in. Close the oven door . Make sure the probe cable is not touching the broil element . T ouch the 3. PROBE pad. Display will show “Set Probe T e[...]

– 11 – T o Set the Clock The clock must be set to the correct time of day for the automatic ov en timing functions to work pr operly. The time of day cannot be changed during a timed baking or self-cleaning cycle. T ouch the 1. CLOCK pad. T ouch the number pads. 2. T ouch the 3. START pad. Using the Clock , Kitchen Timer , and Control Lock ____[...]

– 12 – Control Lock Y our control will allow you to lock out the touch pads so they cannot be activated when touched. T o lock/unlock the controls: T ouch and hold the 9 and 0 pads for 3 seconds. 1. The oven display will show “Oven controls locked” for several seconds, then “Locked. ” T o unlock the control, touch and hold the 9 and 0 p[...]

– 13 – Convection Fan Operation In a convection oven, a fan circulates hot air over , under , and around the food. This circulating hot air is evenly distributed thr oughout the oven. As a result , foods are evenly cooked and br owned ― often in less time than with convection heat . Note : To maximize cooking evenness, the fan is designed to [...]

– 14 – How to Set the Lower Oven for Convection Baking or Roasting T ouch the 1. CONVECTION BAKE pad and then the 2 pad for multi- rack convection baking. This mode is used for cooking food items on more than one rack (i.e., 2, 3, or mor e racks) at the same time in convection bake. See the Multi-Rack Convection Baking section for more informat[...]

– 15 – Note : The maximum internal temperature that you can set is 200°F . 7. T ouch the START pad. The display will flash "PROBE", and the oven control will signal if the probe is inserted into the outlet and you have not set a probe temperature and pressed the START pad. When the oven starts to heat , the word "LO" will [...]

– 16 – 5. T ouch the START pad. The oven will turn on, and the display will show the cooking time countdown and the changing temperature starting at 100°F . (The temperature display will start to change once the oven temperature reaches 100°F .) When the oven reaches the temperatur e you set , 3 beeps will sound. Note : If the Auto Recipe™ [...]

– 17 – 7. T ouch the START pad. Note : An attention tone will sound if you are using timed baking or r oasting • and do not touch the START pad. If you would like to check the times you have set , touch the • DELAY START pad to check the start time you have set , or touch the COOK TIME pad to check the length of cooking time you have set . [...]

– 18 – How to Set the Upper Oven For Pizza Adjust rack position for type of pizza tray being used. T ouch the 1. PIZZA pad. T ouch the number pads to select 1 for fresh or 2 for fr ozen pizza. 2. T ouch the number pads to set the baking temperature. 3. T ouch the 4. START pad. ____________________________________________________________________[...]

– 19 – How to Set the Upper/Lower Oven for Cleaning The oven doors must be closed and all controls set corr ectly for the cycle to work properly. T ouch the 1. SELF CLEAN HI/LO pad once for a 5-hour clean time or twice for a 3-hour clean time. A 3-hour self-clean time is r ecommended for use when cleaning small, contained spills. A self-clean t[...]

– 20 – 4. Using the number pads, enter the time of day you want the clean cycle to start . 5. T ouch the START pad. The upper and lower oven doors lock automatically. The display will show the start time. It will not be possible to open the oven doors until the temperature dr ops below the lock temperature and L OCKED goes off in the control di[...]

– 21 – Fahrenheit or Celsius T emperature Selection Y our oven control is set to use the Fahr enheit temperature selections, but you may change this to use the Celsius selections. T ouch the upper oven 1. BROIL HI/LO and BAKE pads at the same time until the display shows "SF". T ouch the 2. COOK TIME and BROIL HI/LO pads at the same t[...]

– 22 – 12-Hour , 24-Hour or Clock Blackout Y our control is set to use a 12-hour clock. If you would prefer to have a 24-hour military time clock or black out the clock display, follow the steps below . T ouch the upper oven 1. BROIL HI/LO and BAKE pads at the same time until the display shows "SF". T ouch the 2. CLOCK pad once. The d[...]

– 23 – How to Set for Regular Baking Make sure the clock shows the corr ect time of day and both ovens are off . On the upper oven, touch and hold both the 1. BROIL HI/LO pad and the BAKE pad, at the same time, until the display shows "SF". Note : If bake or broil appears in the display, the BROIL HI/LO pad and the BAKE pad were not t[...]

– 24 – 6. T ouch the lower oven START pad. 7. T ouch the lower oven BAKE pad. No signal will be given. 8. Using the number pads, enter the desired temperatur e. No signal or temperature will be given. 9. T ouch the lower oven START pad. 10. After a random delay period of approximately 30 seconds to 1 minute, "] [" will appear in the d[...]

– 25 – Component Locator Views Single Double Wall Oven (Pr ofile shown) ( Continued next page ) Door Lock Bake Element Broil Element Convection Fan Meat Probe Outlet Oven T emperature Sensor Light Upper Oven Door Control System (Door shown with inner door assembly removed) Display/Logic Board Slider Assembly Ribbon Cable[...]

– 26 – Control Compartment ( Continued next page ) Cooling Fan Convection Element Back of Oven (Main Rear Panel Shown Removed) Lock Out Relay Lower Oven Relay Board Upper Oven Relay Board Bake Element Broil Element Sail Switch Thermal Cut Out Thermal Cut Out Convection Fan[...]

– 27 – Oven Component Access Chart W ARNING: The wall oven is heavy and r equires two people to remove it fr om the installation. Care should be taken • when removing and installing. Sharp edges may be exposed when servicing. Use caution to avoid injury. Wear Kevlar gloves or • equivalent pr otection. Bake Element   Broil Element ?[...]

– 28 – Door Assemblies The upper door contains many of the electronics and controls for the oven. Caution: The doors are heavy. Use the corr ect lifting procedur e. Do not lift the doors by the handles. T o remove the lower door : Open the door fully. 1. Push the hinge locks down towar d the door 2. frame, to the unlocked position. (This may re[...]

– 29 – T o replace the door : Firmly grasp both sides of the door at the top. 1. With the door at the same angle as the removal 2. position, seat the indentation of the hinge arm into the bottom edge of the hinge slot . The notch in the hinge arm must be fully seated into the bottom of the slot . 7. On both sides of the door , press down on the[...]

– 30 – T o replace the lower inner door assembly: Remove the outer door assembly. (See 1. Door Assemblies .) 2. Remove the four T15 T orx screws (2 on each side) that attach each door hinge to the inner door . Carefully turn the door over and remove both door hinges. ( Continued next page ) 3. Remove the six 1/4-in. hex-head screws that hold th[...]

– 31 – Assembly Notes When assembling, make sure the hinges ar e parallel to each other and perpendicular to the door liner . If not , the hinge may bind on the receiving channel of the door . If the new hinge is not in the cocked and locked position after installing, place the bottom of the door against a firm, protected surface and push the [...]

– 32 – Oven Removal The replacement of certain components requir e oven remov al. (See Oven Component Access Chart .) W ARNING: The oven is heavy and requires two people to remove it fr om the installation. T o remove the oven: Remove the 2 Phillips-head screws (1 on each 1. side) that hold the oven in place. 2. Pull the oven forward to r emove[...]

– 33 – 10. To r emove the board from the slider boar d assembly, press the two tabs securing the board to the slider and lift the boar d from the assembly. Panel One Panel T wo Side T rim Left Side Shown Side Access Panels There ar e two side panels on each side of the oven. T o remove the side access panels: Remove the oven. (See 1. Ov en Remo[...]

– 34 – Rear Access Panels There ar e two rear access panels: the main r ear access panel and the secondary rear access panel. T o remove many of the oven components, it is necessary to remove one or both of the r ear access panels. T o remove the rear access panels: Remove the oven. (See 1. Ov en Removal .) T o remove the main rear access panel[...]

– 35 – Oven T emperature Sensor The resistance of the temperatur e sensor is: 1080 • Ω at room temperature 2650 • Ω at clean temperature T o remove the oven temperature sensor : Remove the main rear access panel. (See 1. Rear Access Panels .) Remove the two 1/4-in. hex-head screws that 2. attach the sensor to the broiler element bracket .[...]

– 36 – 7. Caref ully pull, then lower the broiler element towar ds the front of the oven to remove. Bake Element The upper bake element is rated at 1700 watts, and the lower element is rated at 2200 watts. The bake element terminals are located behind the main rear access panel. T o remove the bake element: Remove the main rear access panel. (S[...]

– 37 – Convection Bake Element The inner convection element is rated at 655 watts and the outer convection element is rated at 645 watts. The convection bake element is located on the back wall of the oven. T o remove the convection bake element: Remove the oven. (See 1. Ov en Removal .) Remove the main rear access panel. (See 2. Rear Access Pa[...]

– 38 – Relay Boar ds The relay boar ds can be accessed by removing the main rear access panel. The top r elay board controls the lower oven, and the bottom relay boar d controls the top oven. The lower oven relay boar d contains the power supply module, which provides power to the r est of the control system. T o remove the relay boar ds: Remov[...]

– 39 – Strip Circuit T o remove the lock assembly: Remove the main rear access panel. (See 1. Rear Access Panels .) Remove the two T15 T orx screws fr om the front 2. of the oven that secure the lock assembly in place. J17-Pin9 J16 UNLOCKED 5 4 3 2 1 Disconnect Disconnect Lock Assembly 4. Slide the lock assembly through the channel and out thro[...]

– 40 – Sail Switch Assembly The sail switch assembly is located on the back of the unit , above the cooling fan, and is operated by the airflow of the fan. When the cooling fan is in high speed, the sail should be closed. When the cooling fan is off, the sail should be open. When the cooling fan is in low speed, the sail may be open or closed,[...]

– 41 – Cooling Fan The cooling fan is located in a recess in the back of the oven. It is necessary to remove the oven fr om the installation to access the cooling fan. The fan will begin to operate when the oven is in any cooking mode. The fan may continue to operate even after the oven is turned off. T o remove the cooling fan: Remove the main[...]

– 42 – Door Hinge Receivers T o remove the door hinge receivers: Remove the side access panels. (See 1. Side Access Panels. ) Caref ully lift the insulation from the outside of 2. the oven. Remove the two T20 T orx screws that hold each 3. hinge receiver to the oven frame. 4. Push the hinge receiver thr ough the opening in the oven frame and re[...]

– 43 – T o replace the oven light bulb: Use a new 130-volt halogen bulb, not to exceed 1. 50 watts. Using gloves or a dry cloth, remove the bulb 2. from its packaging. Do not touch the bulb with bare fingers. Push the bulb straight into the receptacle. 3. Disconnect 3. Open the oven door and remove the two 1/4-in. hex-head screws that attach t[...]

– 44 – Smoke Eliminators T o remove the upper oven smoke eliminator : Remove both rear access panels. (See 1. Rear Access Panels .) Remove the top access panels. (See 2. Top Access Panels .) Remove both left side access panels. (See 3. Side Access Panels .) Note : To access the vent tube, it may be necessary to cut and fold the insulation away [...]

– 45 – Electronic Oven Contr ol Oven Circuits UPPER OVEN BAKE & SELF CLEAN BAKE SPEED ON/OFF K8 K3 K7 K5 K4 LOW HIGH COOLING FAN N DLB Relay* K14 L2 L1 INNER BROIL OUTER BROIL M UPPER OVEN BROIL SPEED ON/OFF K3 K5 K4 LOW HIGH COOLING FAN N L1 INNER BROIL M DLB K14 L2 Relay* LOWER OVEN BROIL SPEED ON/OFF K8 K3 K5 K4 LOW HIGH COOLING FAN N DL[...]

– 46 – Relay Boar ds Note: There is one relay boar d for each oven. Lower Oven Relay Board Upper Oven Relay Board J16 J16 J17 J17 Broil Bake CONVX DLB Broil Bake DLB J7 J7 J21 J20 J 7 Lower Oven: O ven Light , CONVX Fan, Lock Motor J16 Lower Oven Door Lock , Sail Switch J17 Communication Cable, Lower Oven Clean J 20 Lower O ven and Upper Oven: [...]

– 47 – Electronic Oven Contr ol J 1 Wire Harness to Interface Board J5 Wire Harness to Interface Board Electronic Oven Contr ol (Shown attached to Glass Touch Inter face) J1 J5 J 1 Wire Harness to Interface Board J5 Wire Harness to Interface Board J5 J1[...]

– 48 – Diagnostics and Ser vice Information Control V oltage W ARNING: Components are electrically HOT on contr ol when voltage is connected to oven. T o prevent electrical shock , use extreme caution when diagnosing oven with outer covers r emoved and power on. Note: Mode and temperature selection is necessary for operation of relay contacts. [...]

– 49 – Wires on J7 (below small relays) Brown to White 0 ohms when oven light is on Blue to J11 (Lwr oven relay boar d only) 120V when convection fan turns CCW Black jumper to J11 120V when convection fan is on Red to J11 (Lwr oven relay boar d only) 120V when convection fan turns CW Violet with white to J11 120V when broil element is on Black [...]

– 50 – Ser vice Mode The oven control has a service mode that can be utilized by the service technician in order to test critical components and to access error codes. This service mode will help the service technician to quickly identify failed or improperly operating oven components. T o enter the ser vice mode: To exit the service mode: 1. P[...]

– 51 – Using the Ribbon Cable for Tr oubleshooting The ribbon cable allows the technician to inspect several key signals without r emoving the wall oven from the cabinet . To access the ribbon cable, r emove the ribbon cable from the upper oven door as described in a previous section. The plastic housing at the end of the ribbon cable is marked[...]

– 52 – Problem Possible Causes What T o Do Cooking functions do not work Plunger switch If the cavity lights ar e always on, check the plunger switch related to the bad cavity. Relay (upper cavity only) T est the functions in Service Mode. • If the cooling fan, sail switch, and lights work properly, • check the relay and associated wiring. [...]

– 53 – Convection Fan Tr oubleshooting Problem Possible Causes What T o Do Fan motor buzzes Open capacitor Harness, terminals, or bad capacitor . No fan operation Open winding as indicated by ohm check red to black and blue to black (approx. 60 ohms each) Replace motor . Check voltage CCW to N when fan is CCW - should read 120V AC in Convection[...]

– 54 – ( Continued Next Page ) General Tr oubleshooting Problem Possible Causes What T o Do Oven light does not work Light bulb is loose Replace the bulb . Oven will not work A fuse in the home may be blown or the circuit breaker is tripped Replace the fuse or r eset the circuit breaker . Oven controls improperly set See the Using the Upper and[...]

– 55 – Problem Possible Causes What T o Do "Crackling" or "popping" sound This is the sound of the metal heating and cooling during both the cooking and cleaning functions This is normal. Excessive smoking during a clean cycle Excessive soil T ouch the CLEAR/OFF pad. Open the windows to rid the room of smoke. Wait until &quo[...]

– 56 – Problem Possible Causes What T o Do Power outage, clock flashes Power outage or surge Reset the clock . If the oven was in use, you must r eset it by touching the CLEAR/OFF pad, setting the clock, and resetting any cooking f unction. Steam fr om the vent When using the ovens, it is normal to see steam coming out of the oven vents. As th[...]

– 57 – F AILURE CODE MEANING CAUSE/CORRECTION F0 Glass touch key pad failure Replace glass touch key pad. F2 Oven temperature inside oven cavity as measured by the sensor : Unlocked: >650° (2237 ohms) Locked: >915°F (2724 ohms) Check for bad signal using Service Mode. • Remove the ribbon cable from the upper • door and measure r esi[...]

– 58 – Schematics and Wiring Diagrams W ARNING: Disconnect electrical power before servicing. Caution : Label all wires prior to disconnection. Wiring errors can cause impr oper and dangerous operation. V erify operation after servicing. ( Continued Next Page )[...]

– 59 – ( Continued Next Page ) Wiring Diagram, High Voltage Circuits QTY DESCRIPTION I.D. 1 HARNESS WIRE MAIN L WR 1 1 HARNESS WIRE MAIN UPR 2 1 HARNESS WIRE SIGNAL L WR 3 1 HARNESS WIRE SIGNAL UPR 4 1 RELA Y 5 1 HARNESS RELA Y UPPER 6 1 HARNESS WIRE PLUNGER 7 BU+W BU+W R+O GY 1 2 1 2 3 3 BU+O PR+W PR+W O PR+W BU+W O O Y+W O 1 2 1 2 3 3 1 2 1 2[...]

– 60 – ( Continued Next Page ) Wiring Diagram, Low Voltage Circuits WIRING DIAGRAM - L OW VOL T AGE CIRCUITS[...]

– 61 – Wiring Diagram, Low Voltage Wiring Harness WIRING DIAGRAM - L OW VOL T AGE WIRING HARNESS[...]

– 62 – Warranty Service trips t o your home to te ach you how to use the product . Improper installation, delivery or maintenance. Failure of the pr oduct if it is abused, misused, or used for other than the intended purpose or used commercially. Replacement of house fuses or resetting of circuit breakers. Damage to the product caused by accide[...]