Turbochef-technologies TurboChef User Manual Page 8
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- Table of contents
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INTRODUCTION
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO
EXCESSIVE MICROWAVE ENERGY
(a) DO NOT operate or allow the oven to be operated with the door open.
(b) Make the following safety checks on all ovens to be serviced before activating the magnetron or other
microwave source, and make repairs as necessary: (1) interlock operation, (2) proper door closing,
(3) seal and sealing surfaces (arcing, wear, and other damage), (4) damage to or loosening of hinges
and latches, (5) evidence of dropping or abuse.
(c) Before turning on microwave power for any service test or inspection within the microwave
generating compartments, check the magnetron, wave guide or transmission line, and cavity for
proper alignment, integrity, and connections.
(d) Any defective or misadjusted components in the interlock, monitor, door seal, and microwave
generation and transmission systems shall be repaired, replaced, or adjusted by procedures described
in this manual before the oven is released to the owner.
(e) A microwave leakage check to verify compliance with the Federal performance standard should be
performed on each oven prior to release to the owner.
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 oven is equipped with a cord that
has a grounding wire with a grounding plug, which must be plugged into an outlet that is properly installed
and grounded. Consult a qualified electrician or serviceman if uncertain about the ability to follow ground-
ing instructions or if doubt exists as to whether the appliance is properly grounded.
x
DO NOT use an extension cord. If the power cord is too short, have a qualified electrician or service-
man install an outlet near the appliance.
WARNING: Improper grounding can result in risk of electric shock.
POWER CORD REPLACEMENT
If the power cord is damaged, it must be replaced by the manufacturer, its service agent, or a similarly quali-
fied person.
RF INTERFERENCE CONSIDERATIONS
The NGC (Tornado) oven generates radio frequency signals. This device has been tested and was determined
to be in compliance with applicable portions of FCC part 18 requirements and to the protection require-
ments of Council Directive 89/336/EEC on the approximation of the laws of the Member States relating
to electromagnetic compatibility at the time of manufacture. However, some equipment with sensitivity to
signals below these limits may experience interference.
If your equipment experiences interference:
Increase the physical separation between this oven and the sensitive equipment.
If the sensitive device can be grounded, do so following accepted grounding practices.
If battery-powered microphones are being affected, ensure that the batteries are fully charged.
Keep sensitive equipment on separate electrical circuits if possible.
Route intercom wires, microphone wires, speaker cables, etc. away from the oven.
- TurboChef Service Manual 1
- For further information call: 2
- +1 214.379.6000 2
- NEVER attempt to 3
- Table of Contents 4
- IMPORTANT SAFETY INSTRUCTIONS 7
- GENERAL SAFETY INFORMATION 7
- REDUCING FIRE RISK 7
- EXCESSIVE MICROWAVE ENERGY 8
- GROUNDING INSTRUCTIONS 8
- POWER CORD REPLACEMENT 8
- 1 year parts and labor 10
- VAC, 60 Hz, 1 phase 10
- 4” (102 mm) adjustable legs 10
- 304 stainless steel line 10
- POWER INPUT 11
- TURBO / +1 214.379.6000 13
- 1 2 3 4 5 14
- Theory of Operation 15
- THEORY OF OPERATION 16
- CONTROL SYSTEM 16
- MICROWAVE SYSTEM 16
- CONVECTION SYSTEM 16
- BOTTOM IR AND CCV 16
- Fault Codes 19
- TO VIEW FAULT CODES 20
- FAULT CODE DEFINITIONS 20
- FAULT CODES 21
- The Control System 22
- CONTROL 23
- TEST MODE 24
- TEST FUNCTION OPTIONS 25
- W) status indicator is not 26
- DIAGNOSTIC MODE 26
- (CCSP) 26
- THE CONTROL SYSTEM 27
- FIGURE 15: Done Screen 28
- CONTROL SYSTEM PANEL PARTS 30
- ISSUE RESOLUTION 31
- 800.90TURBO 33
- The Microwave System 34
- MONITOR CIRCUIT DESCRIPTION 35
- MICROWAVE SYSTEM PARTS 36
- THE MICROWAVE SYSTEM 37
- MICROWAVE SYSTEM COMPONENTS 38
- WAVE GUIDE COVER REPLACEMENT 39
- WAVE GUIDE REPLACEMENT 40
- REPLACEMENT 40
- FIGURE 24: High Voltage Diode 42
- FIGURE 25: Magnetron 42
- The Oven Door 47
- OVEN DOOR PARTS 48
- ADJUSTING THE OVEN DOOR 49
- ADJUSTMENTS AND PARTS 50
- MONITOR SAFETY SWITCH PARTS 51
- = 0.020” 51
- Old Switch Setup 52
- New Switch Setup 53
- FIGURE 35: Oven Door Assembly 55
- PART TORQUE 56
- SCREW TORQUE CHART 56
- The Convection Circuit 58
- CONVECTION CIRCUIT COMPONENTS 59
- THE CONVECTION CIRCUIT 60
- IR Element and Catalytic 63
- Converter 63
- COMPONENTS 64
- Schematics and Schematic 66
- Components 66
- SCHEMATIC PARTS 67
- TEST POINT LOCATIONS 67
- I/O BOARD SCHEMATIC 68
- 41: NGC (Tornado) Schematic 69
- NGC (UK) SCHEMATIC 70
- 43: NGCEW (Tornado) Schematic 71
- 44: NGCED (Tornado) Schematic 72
- NGC (BRAZIL) SCHEMATIC 73
- Service Parts and 74
- Illustrations 74
- FILAMENT AND 79
- HIGH VOLTAGE 79
- TERMINALS 79
- APPLY HI-TEMP 81
- GREASE TO AREA 81
- FIGURE 35: OVEN DOOR ASSEMBLY 83
- TURBO or +1 214-379-6000 85
- Comprehensive Part List 89
- ITEM DESCRIPTION 90
- +1 214-379-6000 94
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