Page 3 - Table of Contents
Table of Contents READ THIS FIRST …………………………………………………………………………… i Important Safety Instructions ……………………………………………………………….. ii Precautions to Avoid Possible Exposure to Excessive Microwave Energy ……………. iii Precautions to be Observed Before and During Servicing to Avoid Possible Exposure to Excessive...
Page 5 - READ THIS FIRST
i READ THIS FIRST Before working on the TurboChef Technologies, Inc. C Series oven you must first read the safety instructions on the following pages. The C3 series oven is a combination convection/microwave oven. While servicing this oven, an RF meter must be used at all times to check for microwav...
Page 6 - IMPORTANT SAFETY INSTRUCTIONS; WHEN USING ELECTRICAL APPLIANCES, THE FOLLOWING; SAVE THESE INSTRUCTIONS
ii IMPORTANT SAFETY INSTRUCTIONS WHEN USING ELECTRICAL APPLIANCES, THE FOLLOWING BASIC SAFETY PRECAUTIONS SHOULD BE STRICTLY ADHERED TO: WARNING!! To reduce the risk of burns, electric shock, fire, injury to persons or exposure to excessive microwave energy: 1. Read all instructions before using the...
Page 7 - PRECAUTIONS TO AVOID POSSIBLE
iii PRECAUTIONS TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY 1. DO NOT attempt to operate this oven with the door open since open-door operation can result in harmful exposure to microwave energy. It is important not to defeat or tamper with the safety interlocks. 2. DO NOT place any obj...
Page 8 - PRECAUTIONS TO BE OBSERVED BEFORE
iv PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY 1. DO NOT operate or allow the oven to be operated with the door open. 2. Make the following safety checks on all ovens to be serviced before activating the magnetron or other microwave...
Page 9 - GROUNDING INSTRUCTIONS; POWER SUPPLY CORD REPLACEMENT; General N ote about Construction
v GROUNDING INSTRUCTIONS This appliance MUST BE grounded. In the event of an electrical short circuit, grounding reduces the risk of electric shock by providing an escape wire for the electric current. This appliance is equipped with a cord having a grounding wire with a grounding plug. The plug mus...
Page 10 - RF INTERFERENCE CONSIDERATIONS
vi RF INTERFERENCE CONSIDERATIONS This oven generates radio frequency signals. This device has been tested and determined to be in compliance with applicable part of FCC part 18 requirements and to the protection requirements of Council Directive 89/336/EEC on the approximation of the laws of the Me...
Page 11 - CHAPTER 1; INSTALLATION SPECS
Page 12 - OVEN DESCRIPTION; INSTALLATION
TurboChef Technologies, Inc. C series 1 - 2 OVEN DESCRIPTION SPECIFICATIONS C3/AB, C3MULTI, C3/C, AND C3/CMULTI Dimensions (single unit) 29” W x 25.5” H x 29.5” D (73.66 cm x 64.77 cm x 74.93 cm) Dimensions (double stacked units) 29” W x 43” H x 29.5” D (73.66 cm x 109.22 cm x 74.93 cm) Maximum Inpu...
Page 13 - Installation Specs
Installation Specs 1- 3 OVEN LOCATION The well planned and proper placement of your oven will result in long term operator convenience and satisfactory performance. Be sure to place the oven in an area which is accessible for proper operation and servicing. The countertop or work surface must be abl...
Page 15 - CHAPTER 2; CLEANING & OPERATING
Page 16 - BASIC CLEANING PROCEDURES
TurboChef Technologies, Inc. C Series 2-2 BASIC CLEANING PROCEDURES PROBLEMS ASSOCIATED WITH IMPROPER CLEANING The oven may not be operating correctly because it is not being cleaned properly. If the door is leaking microwaves, erratic operation of the display and other electrical components can occ...
Page 17 - CHAPTER 3; THEORY OF OPERATION
Page 18 - INTRODUCTION
TurboChef Technologies, Inc. C Series 3-2 INTRODUCTION The TurboChef C3/C oven utilizes two independent heat transfer mechanisms in order to rapidly cook food. The systems are as follows: Convection and Microwave energy. By combining these mechanisms and with our ability to control each mechanism in...
Page 19 - Theory of Operation; of
Theory of Operation 3-3 GLOSSARY OF COMMON OPERATING TERMS Display - Primary interface to relay messages to the operator. Keypad - Primary interface for the operator to control the oven. Cook Chamber - Cavity in which the food products are cooked. PRODUCT RECIPES Recipe - The food product recipe pro...
Page 20 - Programing; Edit Mode; Altering a Recipe
TurboChef Technologies, Inc. C Series 3-4 Programing Edit Mode Edit mode enables the operator to alter Recipes and the Cook Chamber Temperature (CC). To Access Edit Mode, press the “Up” and “Down” Arrows Keys on the keypad simultaneously. When prompted, enter the Access Code “9” and then press “Ente...
Page 21 - User Configurable Options:; DONE
Theory of Operation 3-5 Use the “Up” and “Down” keys to navigate through a Recipe and use the Keypad and the “Enter” key to alter any of the following parameters: COOK TIME: Total duration of the Cook Cycle. Enter the desired time and press “Enter”. Valid times are between 1 second and 5 minutes. Ev...
Page 22 - Passwords
TurboChef Technologies, Inc. C Series 3-6 To disable the Time State, press the “Back Arrow” and “Enter” keys simultaneously and “Enter” the Access Pin “T-I-M-E” and “Enter”. When prompted, press “9” to re-enable or any other key to disable the Time State. Passwords Edit Mode: “Back and “Enter” simul...
Page 23 - CHAPTER 4; FAULT CODES
Page 25 - Fault Code Messages Matrix
Theory of Operation 4-3 Fault Code Messages Matrix Old Error Code New Error Code Warm- Up While Cooking Self- Test Reference Chapter BLOWER STATUS F3 BLOWER X X X 8 LOW COOK TMP F2 LOW TEMP X 8 LOW MAG CURR F3 MAG CURR X X 9 DOOR MONITOR F4 MONITOR X 7 MAG OVER TMP F5 MAG TEMP X X X 9 ELEC OVR TMP F...
Page 27 - CHAPTER 5; TEST
Page 28 - Test Mode; TO ENTER TEST FUNCTION MODE
TurboChef Technologies, Inc. C Series 5-2 Test Mode TO ENTER TEST FUNCTION MODE 1. From the standby mode, press and hold both BACK and ENTER keys simultaneously. 2. The display reads: ENTER ACCESS CODE 3. Use the NUMERIC keypad to enter the following access code: 9- 4- 2- 8 (Older Ovens 8- 3 -1 -7) ...
Page 29 - nd Screen: Test Mode
TEST 5-3 3. Use the top right SOFT KEY to move the cursor to the right. 4. Use the NUMERIC KEYPAD to change the digits as follows: A) Press the key once to enter the number. B) Press the key twice to enter the first letter. C) Press the key three times to enter the second letter. D) Press the key fo...
Page 33 - CHAPTER 6; ELECTRICAL &CONTROLS
Page 34 - Electrical Component Locations:
TurboChef Technologies, Inc. C Series 6-2 Electrical Component Locations: FIGURE 6–1a Electrical Component Locations C3/AB Only K1 K2 K3 K4 K5 1. CIRCUIT BREAKER: CB1-35 AMP 2 . FUSES: (2 x 12 AMP - C3 /AB;C3/C) (25 AMP - C3/C) 3 . CONV ECTION HEAT HIGH LIMIT 4. 24 VDC POWER SUPPLY 5 . DOOR SWICH AS...
Page 35 - Electrical Compartment and Controls
Electrical Compartment and Controls 6-3 Electrical Component Locations: FIGURE 6–1b Electrical Component Locations C3/C Only K1 K2 K3 K4 K5 1. CIRCUIT BREAKER: CB1-35 AMP 2. FUSES: (2 x 12 AMP - C3/AB;C3/C) (25 AMP - C3/C) 3. CONVECTION HEAT HIGH LIMIT 4. 24 VDC POWER SUPPLY 5. DOOR SWICH ASSEMBLY (...
Page 36 - ELECTRICAL COMPONENT LOCATIONS: “C3/MULTI” OVENS ONLY
TurboChef Technologies, Inc. C Series 6-4 ELECTRICAL COMPONENT LOCATIONS: “C3/MULTI” OVENS ONLY FIGURE 6–1C Electrical Component Locations C3Multi Only 1. Circuit Breaker: CB1-15A & CB2-15A&CB3-15A (103170) 10. COOLING FAN (M9609) 2. 12 A-FUSE ATM-12 (100596) 11. MAGNETRON COOLING FAN (T0262...
Page 37 - ELECTRICAL COMPONENT LOCATIONS: “C3/C MULTI” OVENS ONLY
Electrical Compartment and Controls 6-5 ELECTRICAL COMPONENT LOCATIONS: “C3/C MULTI” OVENS ONLY FIGURE 6–1C Electrical Component Locations C3/CMulti Only 1. Circuit Breaker: CB1-15A & CB2-15A&CB3-15A (103170) 10. COOLING FAN (100519) 2. 12 A-FUSE ATM-12 (100596) 11. MAGNETRON COOLING FAN (T0...
Page 38 - ELECTRICAL COMPONENTS PARTS LIST SUMMARY
TurboChef Technologies, Inc. C Series 6-6 ELECTRICAL COMPONENTS PARTS LIST SUMMARY Item # Part Number Description Used on Model(s) 1 T0322 Circuit Breaker CB1-35A w/Trip Coil C3/AB & C3/C 2 100596 12 Amp Aux Fuse All 2b 100597 25 Amp Heater Fuse C3/C 2c 100591 Fuse Holders All 3 R7603 Convection...
Page 40 - CONTROL PANEL COMPONENT DETAIL
TurboChef Technologies, Inc. C Series 6-8 CONTROL PANEL COMPONENT DETAIL CONTROL PANEL PARTS LIST (see above) ITEM Part Number Description Used on Model(s) 1 T0239 CONTROL PANEL (SHEET METAL) C3/AB & C3/MULTI 2 C0239 CONTROL PANEL (SHEET METAL) C3/C & C3/CMULTI 3 NA VFD DISPLAY CONNECTOR All...
Page 41 - CONTROL SYSTEM TROUBLESHOOTING
Electrical Compartment and Controls 6-9 CONTROL SYSTEM TROUBLESHOOTING Issue: Resolutions: 1: No Display (Blank) 1. Verify power 208 VAC or 240 VAC is going to oven. If not correct voltage supply. 2. Does the control beep when any Key on the keypad is pressed? a. If no, check power going to the 24VD...
Page 42 - Defective Current Transformer on Computer Board
TurboChef Technologies, Inc. C Series 6-10 Defective Current Transformer on Computer Board SMT Board (T0265) Background: During the operation of the microwave system, the control board monitors current in the microwave circuit by means of a current transformer mounted on the controller board. The cu...
Page 43 - CHAPTER 7; COOK DOOR ASSEMBLY
Page 45 - Cook Door
Cook Door 7-3 CIRCUIT BREAKER TRIP CHART Component Possible Cause/Circuit Information Magnetron transformer The magnetron transformer will draw approximately 9 amps when functioning properly. Check winding resistances (See Page 9-8). A 3 Amp draw indicates the diode is defective. Solid state contact...
Page 46 - DOOR SWITCH ADJUSTMENT
TurboChef Technologies, Inc. C Series 7-4 DOOR SWITCH ADJUSTMENT Tools Required: • # 1 Phillips head screw driver • # 2 Phillips head screw driver • 3/8” socket wrench (1/4” drive) • Needle nose pliers • Large flat blade screw driver GOAL The goal of this adjustment procedure is to have the Monitor,...
Page 56 - DOOR REMOVAL AND REPLACEMENT PARTS LIST (LEFT SIDE) CON’T
TurboChef Technologies, Inc. C Series 7-15 DOOR REMOVAL AND REPLACEMENT PARTS LIST (LEFT SIDE) CON’T See Figure 4-7a. ITEM Part Number Description Used on Model(s) 12 T0560 CAM FOLLOWER ASSY C3/AB, C3MULTI 12 C0560 CAM FOLLOWER ASSY C3/C, C3/CMULTI 13 T0541 CAM FOLLOWER ROLLER C3/AB, C3MULTI 13 C054...
Page 64 - CHAPTER 8; CONVECTION CIRCUIT
Page 66 - CATALYTIC CONVERTER
TurboChef Technologies, Inc. C Series 8-2 CATALYTIC CONVERTER The catalytic converter (See Figure 8-1) is installed in the return air duct behind the heater assembly. The installation of the catalytic converter requires a catalytic converter inner frame to properly position it in the air path. Due t...
Page 67 - Convection Circuit; How To Turn Heaters ON and OFF; P – S – M– t – h – H – A – W; Changing Heater Operating Voltage
Convection Circuit 8 - 3 CONVECTION ELEMENT AND THERMOCOUPLES The convection element (See Figure 8-1) is located in the rear back on the left side of the oven. It is controlled by one or two solid-state relays (K5 and K7), depending on model, located in the top, center of the control compartment of ...
Page 68 - Heater Circuit Defective Messages
TurboChef Technologies, Inc. C Series 8-4 Heater Circuit Defective Messages SELF TEST (STEST) WHILE COOKING (WARMING UP) CAUSE CORRECTIVE ACTION THERMO OPEN THERMO OPEN HX Thermocouple amplifier indicates open, (999 ° )."or" CC Thermocouple amplifier indicates open 1. Check Thermocouple conn...
Page 71 - CONVECTION CIRCUIT PARTS LIST: See Figure 8-3
Convection Circuit 8-10 CONVECTION CIRCUIT PARTS LIST: See Figure 8-3 Ite m Part Number Description Used on Model(s) 1 TC3-0194 GASKET, 3 PHASE, HEATER COVER All 2 TC3-0202 PLATE, SHEATHED HEATER All 3 100652-1 240 VAC SHEATHED HEATER All (240 VAC) 3 100652-3 208 VAC SHEATHED HEATER All (208 VAC) 3 ...
Page 73 - P – S – M– t – h – H –
Convection Circuit 8-10 CONVECTION (BLOWER) MOTOR OPERATION The convection (blower) motor is a variable speed convection motor, which operates from zero rpm up to 7000 rpm. The blower motor speed is controlled by a SP200 AC/Delta drive control. The speed of the motor is directly proportional to the ...
Page 74 - Blower Circuit Defective Messages
TurboChef Technologies, Inc. C Series 8 - 9 Blower Circuit Defective Messages SELF TEST WHILE COOKING CAUSE CORRECTIVE ACTION BLOW ER STATUS or "F1 BLOWER" BLOW ER STATUS or "F1BLOWER" Blower motor speed controller not returning the "running status command" See status indicat...
Page 75 - Blower Motor Controller Fault Codes & Troubleshooting; Reliance Blower Motor Controller Fault Codes & Troubleshooting
Convection Circuit 8-10 Blower Motor Controller Fault Codes & Troubleshooting NOTE: If no fault condition exists, the LED will be green. If a fault condition exists, the LED will flash redhen a local keypad is not connected. All faults can be reset by cycling the reset control input, pressing th...
Page 77 - Delta Blower Motor Controller Fault Codes & Troubleshooting
Convection Circuit 8-10 Delta Blower Motor Controller Fault Codes & Troubleshooting Fault Name Fault Descriptions Corrective Actions Oc The AC drive detects an abnormal increase in current. 1. Check whether the motors horsepower corresponds to the AC drive output power. 2. Check the wiring conne...
Page 80 - CONVECTION MOTOR PARTS LIST: See Figure 5-6; Special Kits & Assemblies
TurboChef Technologies, Inc. C Series 8-14 CONVECTION MOTOR PARTS LIST: See Figure 5-6 Item Part Number Description Used on Model(s) - C0299 ASSEMBLY, BLOWER MOTOR All 1 T0076 Motor, 1HP, Mac All 4 6050070 RING FAN (unwelded) All 5 6050069 BLADE, FAN (unwelded) All 4&5 TC3-0214 RING AND FAN TACK...
Page 83 - CHAPTER 9; MICROWAVE CIRCUIT
Page 84 - MEASURING FOR MICROWAVE RADIATION LEAKAGE
TurboChef Technologies, Inc. C Series 9-2 MEASURING FOR MICROWAVE RADIATION LEAKAGE The following RF emissions test must be performed every time a service call is done on a C3 SERIES oven. Report your findings on the work order. The following areas must be measured when performing the RF test. • Coo...
Page 85 - Microwave Circuit; Microwave Circuit Defective Messages
Microwave Circuit 9-5 Microwave Circuit Defective Messages SELF TEST WHILE COOKING CAUSE CORRECTIVE ACTION LOW MAG CURR *HV BREAKDOWN F3 MAG CURR * European ovens only LOW MAG CURR *HV BREAKDOWN F3 MAG CURR Note: If this message is detected while cooking it will terminate cook cycle immediately. Ove...
Page 87 - MAGNETRON CIRCUIT; Monitor Circuit Description:
Microwave Circuit 9-5 MAGNETRON CIRCUIT Overview of a microwave circuit The microwave circuit consists of a magnetron and a voltage doubler circuit. The voltage doubler consists of a special step–up transformer, a capacitor, a diode. In addition to the power circuitry in the magnetron the oven utili...
Page 91 - MAGNETRON TESTING
Microwave Circuit 9-8 MAGNETRON TESTING WARNING!! The microwave circuit cannot be worked on with the unit on. The unit must be disconnected from the power source. Failure to do so could result in injury or death. WARNING!! The HV Capacitor must be discharged before proceeding. Checking a Magnetron f...
Page 93 - COMPONENT TESTING; TRANSFORMER TESTING
Microwave Circuit 9-9 COMPONENT TESTING WARNING!! The microwave circuit cannot be serviced with the unit on. The unit must be disconnected from the power source. Failure to do so could result in injury or death. WARNING!! The HV Capacitor must be discharged before proceeding. WARNING!! Do not attemp...
Page 96 - Waveguide Components:
TurboChef Technologies, Inc. C Series 9-11 Waveguide Components: Figure 9-6: Waveguide Assy
Page 97 - WAVEGUIDE COMPONENTS PARTS LIST: See Figure 9-6
Microwave Circuit 9-12 WAVEGUIDE COMPONENTS PARTS LIST: See Figure 9-6 Item # Part Number Description Used on Model(s) 1 T0266 BLADE, STIRRER ALL 2 T0289 SHAFT, STIRRER C3/AB, C3MULTI 2 C0289 SHAFT, STIRRER C3/C, C3/CMULTI 3 T0290 HUB, STIRRER SHAFT C3/AB, C3MULTI 3 C0290 HUB, STIRRER SHAFT C3/C, C3...
