TurboChef Encore Touch Rapid Service Manual Download Page 8

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Oven Schematic and Wire Harnesses

Relay Schematic

Oven Schematic

Wire Harness: Heater

Wire Harness: Cooling Fans

Wire Harness: HV Microwave Circuit 1

Wire Harness: HV Microwave Circuit 2

Wire Harness: Low Voltage

Wire Harness: Main Line Voltage

67-68

Encore 2 Appendix - Replacing Oven Components

Replacing Oven Components

A-1

Oven Exterior

A-2

Impingement System

A-4

Microwave System

A-6

Oven Door and Related Parts

A-8

Control System

A-10

Power Components

A-12 – A-15

Summary of Contents for Encore Touch Rapid

Page 1: ...TM CAUTION Read the instructions before using the machine 2015 TurboChef Technologies Inc Service Manual for the turbochef encoreTM touch rapid cook oven...

Page 2: ...and instructions to help ensure satisfactory cooking results and years of trouble free service Errors descriptive typographic or pictorial are subject to correction Specifications are subject to chan...

Page 3: ...ns and Installation Theory of Operation 1 New Features 1 Dimensions 1 Certifications 2 Oven Construction 2 Electrical Specifications 2 Installation 2 Unpacking Instructions 2 Installation Warnings Rea...

Page 4: ...ven on 15 Fault Log 15 Power Cycles 15 Options Screen 15 Editing yes no 15 Cook More yes no 15 Load Menu yes no 15 Light Ring yes no 16 VAC yes no 16 Demo Mode yes no 16 Manual Cooking yes no 16 Diagn...

Page 5: ...tom Temperature Offset 23 Access Edit Items Screen 24 Name a Group 24 Delete a Group 25 Move a Group 25 Item Editing Options 26 Edit Settings 27 Name Item 29 Add from Cookbook 29 Change Group 30 Move...

Page 6: ...ge Transformers 38 Wiring the High Voltage Transformers 38 Testing a Filament or High Voltage Transformer 38 High Voltage Diodes 38 Testing a High Voltage Diode 39 Magnetrons 39 Magnetron Cooling Fans...

Page 7: ...Status Bad 47 F2 Cook Temperature Low 48 F3 Magnetron Current Low 49 F4 Door Monitor Defective 50 F5 Magnetron Over Temperature 50 F6 Electrical Compartment Temperature High 51 F7 RTD Open 51 F8 Heat...

Page 8: ...icrowave Circuit 1 66 Wire Harness HV Microwave Circuit 2 66 Wire Harness Low Voltage 66 Wire Harness Main Line Voltage 67 68 Encore 2 Appendix Replacing Oven Components Replacing Oven Components A 1...

Page 9: ...this appliance it is not designed for industrial laboratory use X warning do not heat liquids or other foods in sealed containers e g jars whole eggs etc since they are liable to explode X do not allo...

Page 10: ...t remain near the oven and cannot be placed behind another appliance or in another room PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY...

Page 11: ...a If the sensitive device can be grounded do so following accepted grounding practices a If battery powered microphones are being affected ensure that the batteries are fully charged a Keep sensitive...

Page 12: ...iv safety instructions This page intentionally left blank...

Page 13: ...Specifications and Installation...

Page 14: ......

Page 15: ...tures including Capacitive touch screen with industrial grade tempered glass cover Manual mode for on the fly cooking Add from cookbook option that allows a user to access and save TurboChef cookbook...

Page 16: ...ocate this appliance only in accordance with the instructions below Unpacking Instructions 1 Remove the oven from its packaging 2 Before throwing the packaging away check it thoroughly for accessories...

Page 17: ...attached to the bottom jetplate 8 Plug in the oven NOTE The oven is primarily serviced through its sides and top Shelving installed directly over the unit may delay servicing The owner will be respon...

Page 18: ...me from the Info Mode Settings screen see page 17 for details Voltage Selection For North America oven models the oven will detect 208 or 240 incoming voltage If incoming voltage for the store is diff...

Page 19: ...Daily and Quarterly Maintenance...

Page 20: ......

Page 21: ...ater If it is immersed by accident allow it time to thoroughly air dry before using otherwise it may crack Step 3 Clean the Wire Rack The wire rack is held in place by tabs that are positioned underne...

Page 22: ...with a damp towel Dry the oven door with a dry towel Step 11 Apply TurboChef Oven Guard Spray TurboChef Oven Guard onto a dry towel Wipe the cavity walls and the inside of the oven door DO NOT spray O...

Page 23: ...is area 7 Clean the housing Hold the catalytic converter in place with one hand Using a clean towel wipe out any debris that has accumulated beneath the catalytic converter Clean the outer cover and m...

Page 24: ...8 cleaning This page intentionally left blank...

Page 25: ...Oven Controls and Cooking...

Page 26: ......

Page 27: ...d groups divided into 2 groups of 8 Each food group contains 16 items divided into 2 groups of 8 7 Group Name When viewing items the group name indicates which group is being displayed 8 Set Temperatu...

Page 28: ...s can be loaded via USB or smart card page 21 22 or programmed manually page 23 If settings are not present the oven will cook only in manual mode page 13 This oven uses impingement and microwave to c...

Page 29: ...ycle will pause until the door is closed Touch YES to resume NOTE Touch More Groups to view additional groups Step 5 Select a Group Step 8 Check Remove Food from Oven WARNING Dish inside of oven and d...

Page 30: ...em requires browning or crisping Touch Cook Brown More if both the inside and outside of the food item require cooking Step 10 Cooling Down When finished cooking for the day touch OFF to turn the oven...

Page 31: ...ither F or C 3 Events Manual Mode can store six unique cook settings called events Touch Events to view settings for events 1 through 6 4 Air Air determines the amount of airflow The more air the more...

Page 32: ...ach event will be summed and divided into percentages of one cook cycle a Edit settings if necessary by touching the setting you wish to edit From this screen the following settings are editable Time...

Page 33: ...Info Mode...

Page 34: ......

Page 35: ...the options screen enable disable Editing Cook More Load Menu Light Ring VAC Demo Mode Manual Cooking Diagnostic Mode F2 Bypass Cooking Stone Editing YES NO Edit Mode enables or disables the portal t...

Page 36: ...ey adjacent to Diagnostic For normal oven opera tion Diagnostic Mode should remain off F2 Bypass YES NO The F2 alarm indicates the oven temperature is too low YES means the oven will not terminate a c...

Page 37: ...lus or minus icons or slider to increase or decrease the oven sound Set Date An accurate date is important for using auto on and auto off see page 18 for details It also helps ensure the accuracy of d...

Page 38: ...7 2 Toggle the yes no icon to the YES position to enable Auto Off 3 Enter the time in 24 hour format Touch SAVE to save all changes NOTE The time will automatically convert to 12 hour format when save...

Page 39: ...e 49 for F3 troubleshooting See page 50 for F5 troubleshooting Top Heater Test The top heater H1 heats the airflow from the top of the cavity To turn on the top heater touch the Top Heater Off icon To...

Page 40: ...roubleshooting an F1 fault see page 47 Info Mode Manufacturing MFG From the MFG screen change Oven Model Serial Number Oven Model The oven model shown on the screen must match the model of the oven be...

Page 41: ...the installation NOTE When loading a menu from a USB a copy of the current oven menu will be saved to the USB C Touch the menu to be loaded NOTE If multiple menus are on the USB the oven will display...

Page 42: ...ome point recommend a firmware update The update will make sure your oven is operat ing at its maximum efficiency but should not affect cooking results or menu settings CAUTION Do not remove the USB u...

Page 43: ...Edit Mode...

Page 44: ......

Page 45: ...kbook page 29 Change the group page 30 Move an item page 30 Delete an item page 31 Edit Set Temperature The menu set temperature should never be changed to compensate for over cooking or under cooking...

Page 46: ...ture offset range is greater in C 4 Touch ENTER to save the change Access Edit Items Screen Item settings can be edited from the Edit Settings screen See page 27 for more details Name a Group To name...

Page 47: ...delete all items in the group Move a Group To move a group to another location 1 Place the oven in Edit Mode 2 Touch the Group to be moved 3 Touch Move Group 4 The group that is to be moved will be h...

Page 48: ...the item to be edited NOTE Accessing Edit Mode from the item select screen rather than the group select screen will bypass this step 3 From the Group Editing Options screen touch Edit Items 4 Touch an...

Page 49: ...uch SAVE Edit Air Touch the Air be changed and adjust it using the sliding bar that appears below the grid Air deter mines the amount of airflow The more air the more the product will brown or crisp A...

Page 50: ...name Using the keypad input the name and touch ENTER Once all changes are made touch SAVE NOTE The field allows for a maximum of 16 characters NOTE Touch the 123 icon to access numbers and symbols NO...

Page 51: ...creen page 26 touch Add from Cookbook Cook settings can be filtered by Course Type or Dish Type Touch either Course Type or Dish Type Use the arrow to scroll down and highlight the course type to be s...

Page 52: ...tem is moved to a space that already contains settings the old settings will be overwritten Move Item From the Editing Options screen page 26 select Move Item The item that is to be moved will be high...

Page 53: ...31 edit mode Delete Item From the Editing Options screen page 26 select Delete Item Touch OK to delete the item NOTE Once an item is deleted it cannot be recovered...

Page 54: ...32 edit mode This page intentionally left blank...

Page 55: ...Oven Systems...

Page 56: ......

Page 57: ...Thermostat The high limit thermostat is a 250 VAC 3 pole manual reset thermostat with a trip point of 572 F 300 C The thermostat interrupts power to the bottom or top heater in the event of an abnorma...

Page 58: ...ng that the door is parallel to the oven frame If it is not parallel adjust the door see below 6 From Test Mode page 19 check the status indicators P S and M to verify the switches are backlit door cl...

Page 59: ...ngage Figure 27 For switch assembly details see page A 8 1 Ensure the oven has been at operating temperature for at least fifteen minutes 2 If adjusting the primary switch confirm the primary switch s...

Page 60: ...8 fl oz Temperature 68 F 9 F 20 C 5 C Vessel Low form 600 ml beaker with an inside diameter of approximately 3 35 85 mm and made of Pyrex or equivalent 5 Close the oven door and press the Cook key Th...

Page 61: ...from the circuit 4 Check for an open or shorted capacitor by placing ohmmeter leads between the capacitor terminals Escalating ohm readings capacitor OK Constant infinite resistance capacitor open Co...

Page 62: ...ning the oven to service as the voltages must be north america 208 VAC between 1 2 and 240 between 1 3 international 230 VAC NOTE The orange wire always goes to terminal 3 on US models Testing a Filam...

Page 63: ...microwave leakage test page 36 after installing a new magnetron or reinstalling an old one CAUTION Do not allow debris to enter the waveguides when servicing the magnetrons Magnetron Cooling Fans The...

Page 64: ...pole double throw relay It switches power to the filament transformers Relay K2 Anode The K2 relay is a 240 VAC 30 amp double pole double throw 24 VDC relay coil It switches power to the high voltage...

Page 65: ...the oven at the back panel and allows the oven to be connected to a local network in case the customer desires remote programming and oven diagnostics reporting LED Light Ring The LED light ring prov...

Page 66: ...nd F2 fuses are 12 amp ATMR class CC The F3 fuse is 20 amp ATMR class CC The F1 fuse via blue wire and F2 fuse via brown wire are designed to blow if an over current situation is encountered by the mo...

Page 67: ...chemical compounds Irreversible damage can occur if the catalyst is exposed to cleaning chemi cals containing phosphates NaOH silicates Na and Potassium Salts These chemicals are found in most commer...

Page 68: ...44 oven systems This page intentionally left blank...

Page 69: ...Troubleshooting...

Page 70: ......

Page 71: ...st F3 Magnetron Current Low This fault is displayed when the current transformer CT on the I O control board detects less than 10 amps The fault is monitored when the microwave is on during a cook cyc...

Page 72: ...ntrol detects that one or both of the RTDs is open The display will show 999 indicating the RTD is open or disconnected The fault is cleared when the control detects continuity F8 Heat Low This fault...

Page 73: ...B 2 0 2 6 Black White Winding A C 2 0 2 6 Red White Winding B C 2 0 2 6 Black Red or White Green Windings to Chassis Open NO YES 1 Disconnect control wiring J1 connector 2 Ground pin 5 of the J1 conne...

Page 74: ...See page 33 section RTD Top and Bottom Testing Procedure for testing instructions Is the solid state relay defective 1 Leave the 4 pin control wiring connected 2 Set the meter to DCV 3 In Test Mode t...

Page 75: ...n terminals A B Confirm the F3 fuse is a 20 amp ATMR fuse Is it open blown Replace the F3 fuse and verify the operation of the switches page 35 section Interlock Switches YES Run test cook cycles to s...

Page 76: ...ee page 19 Are the magnetron cooling fans operating Correct wiring replace the thermostats YES Remove the debris or reposition the oven away from obstruction YES NO NO YES Do the magnetrons pass testi...

Page 77: ...eshooting F7 THERMO RTD Open YES NO Is the RTD properly connected to the I O control board SAGE See page 64 for schematic NO Correct wiring YES NO Correct connection Is the wire harness properly conne...

Page 78: ...r damaged Update the oven firmware Is the top or bottom heater defective Check in Test Mode page 19 section Top Heater Test and Bottom Heater Test Replace the defective heater s Verify the solid state...

Page 79: ...Check with TurboChef customer support Return to the cook ing or off screen Insert a USB thumb drive Does the oven detect the USB drive Replace the USB smart card reader and USB extension cable Verify...

Page 80: ...ault NO Is F4 MONITOR fault present NO YES NO Is the wiring from the door switches to I O control board SAGE OK Adjust tighten the door page 34 section Adjusting the Oven Door YES Adjust the door swit...

Page 81: ...the top button Let go of the top button first and then let go of the bottom two buttons Check wiring from the power supply to the control board Correct wiring if necessary Give the display 20 seconds...

Page 82: ...oven Cool the oven down did the touch screen become responsive Replace the display Replace the display YES NO Warm the oven back up now that suf ficient ventilation has been verified Does the display...

Page 83: ...ter selecting the Load Menu option is there a MicroSD error message Replace the USB smart card reader and connectors Does the problem persist replace the USB smart card reader and connec tors Does the...

Page 84: ...that the menu is the correct type for this oven i e not a Tornado menu et cetera If necessary obtain a new menu file from TurboChef Does the problem persist After selecting the Load Menu option is th...

Page 85: ...pdate fails to finish again cycle power and verify the oven is operational Perform several test cooks and verify product is cooking properly Is the oven operational and functioning properly Does the f...

Page 86: ...sliced at correct thickness pizza dough is correct consistency etc Are there any fault codes present See pages 45 46 Troubleshooting Food Not Cooking Properly Does the problem occur for all food item...

Page 87: ...ion holes at the bottom YES NO Perform both the daily and quarterly cleaning procedures pages 5 7 Verify the ventilation holes on the rear vent catalyst housing cover are not blocked with debris Is th...

Page 88: ...62 troubleshooting This page intentionally left blank...

Page 89: ...Oven Schematic and Wire Harnesses...

Page 90: ......

Page 91: ...he Appendix Oven Schematic and Wire Harnesses This section provides an overall wiring schematic for the oven It also provides detailed drawings of each wire harness with labeled connectors The followi...

Page 92: ...64 OVEN SCHEMATIC AND WIRE HARNESSES...

Page 93: ...y oven part be sure the oven as completed cooling down see Step 10 on page 12 and is removed from the power source ENC 1405 Harness Wiring Cooling Fans DANGER Before removing any oven part be sure the...

Page 94: ...ven part be sure the oven has completed cooling down see Step 10 on page 12 and is removed from the power source ENC 1402 Harness Wiring HV MW Circuits 1 and 2 DANGER Before removing any oven part be...

Page 95: ...WIRE HARNESSES ENC 1404 View 1 Harness Wiring Line Voltage DANGER Before removing any oven part be sure the oven has completed cooling down see Step 10 on page 12 and is removed from the power source...

Page 96: ...EMATIC AND WIRE HARNESSES ENC 1404 View 2 Harness Wiring Line Voltage DANGER Before removing any oven part be sure the oven has completed cooling down see Step 10 on page 12 and is removed from the po...

Page 97: ...Appendix Replacing Oven Components...

Page 98: ......

Page 99: ...ecure each component to the oven chassis The appendix is divided into the following sections Oven Exterior pages A 2 through A 3 Impingement System pages A 4 through A 5 Microwave System pages A 6 thr...

Page 100: ...Oven Exterior DANGER Before removing any oven part be sure the oven has completed cooling down see Step 10 on page 12 and is removed from the power source 3 9 2 5 4 6 7 8 10 12 1 11 13 High Limit Rese...

Page 101: ...e Black ENC 1333 T010 Screw 8 32 x 3 8 Security Torx Hd Bk Oxide Screw 8 x 1 2 Security Torx Hd Bk Oxide 102751 qty 1 102756 qty 1 6 Cover Top Black ENC 1331 T010 None None 7 Filter Air ENC 1114 None...

Page 102: ...ent System DANGER Before removing any oven part be sure the oven has completed cooling down see Step 10 on page 12 and is removed from the power source NOTE For clarity some components have been remov...

Page 103: ...Washer Shim 752 x 1 12 x 033 101312 qty 2 102449 qty 2 8 Heater Top NGC 3011 Screw 8 x 1 2 Serr Ph Truss Hd Sheet Mtl 101688 qty 10 9 Holder Catalytic Converter ENC 1425 Screw 8 x 1 2 Serr Ph Truss H...

Page 104: ...rvicing any oven part be sure the oven has completed cooling down see Step 10 on page 12 and is removed from the power source NOTE For clarity some components have been removed from the illustrations...

Page 105: ...Nut 10 32 Serr Hex Flange Zinc 100913 qty 4 each 11 Pad Insulator Mag Thermostat x2 NGC 1163 Screw 6 x 3 8 PPHD Drill Point Zinc 101684 qty 2 each See page A 14 Relay K1 Filament 101273 Nut 6 32 Keps...

Page 106: ...ket Latch Primary Switch When replacing the primary switch a Discard one of the switches supplied with kit NGC 3033 b Use the shorter screws see Figure below c Follow all instructions in the provided...

Page 107: ...S 102811 qty 3 7 Hole Plug Black 5 8 Dia x4 101195 None None 8 Interlock Switch Monitor 102013 Screw 4 40 x 3 4 Sems PPHD SS 102904 qty 2 9 Interlock Switch Secondary 102013 Screw 4 40 x 3 4 Sems PPHD...

Page 108: ...m DANGER Before removing any oven part be sure the oven has completed cooling down see Step 10 on page 12 and is removed from the power source NOTE For clarity some components have been removed from t...

Page 109: ...RES 102911 qty 4 102260 qty 4 Not Shown Harness Wiring Low Voltage ENC 1403 None None 6 Housing Display and Controls ENC 1501 Housing Only ENC 3030 Housing Assembly Screw 8 32 x 3 8 PFH 100 Deg SS Scr...

Page 110: ...E 4 blade IEC 309 4 pin NEMA L6 50 PSE 3 blade Power Components DANGER Before removing any oven part be sure the oven has completed cooling down see Step 10 on page 12 and is removed from the power so...

Page 111: ...32 x 1 2 Hex Wshr Hd Type 23 101408 qty 2 each 6 Finger Guard 100086 Screw 10 32 x 1 2 Hex Wshr Hd Type 23 101408 qty 2 each 7 Power Cord 60 Hz 208 240 VAC 1 Ph 100187 Nut 10 32 Keps Ext Tooth SS 102...

Page 112: ...Continued DANGER Before removing any oven part be sure the oven has completed cooling down see Step 10 on page 12 and is removed from the power source NOTE For clarity some components have been remove...

Page 113: ...nc 101684 qty 2 7 Relay K1 Filament 101273 Nut 6 32 Keps Hex Ext Tooth Cres 102961 qty 1 8 Relay K2 Anode 101273 Nut 6 32 Keps Hex Ext Tooth Cres 102961 qty 1 9 Relay K3 Monitor 101273 Nut 6 32 Keps H...

Page 114: ...A 16 appendix replacing oven components This page intentionally left blank...

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Page 116: ...th america call 1 214 379 6000 or Your Authorized Distributor Part Number ENC 1618 Revision A January 2015 Country Code NA EU TM Global Operations 2801 Trade Center Drive Carrollton Texas 75007 usa 1...

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