The information contained in this manual is important for the proper installation, use, maintenance,
and repair of this oven. Follow these procedures and instructions to help ensure satisfactory baking
results and years of trouble-free service.
Errors – descriptive, typographic, or pictorial – are subject to correction. Specifications are subject to
change without notice.
Please carefully read this manual and retain it for future reference.
Table of Contents
Important Safety Instructions
General Safety Information i
Reducing Fire Risk i
Grounding Instructions ii
Power Cord Replacement ii
Precautions to Avoid Possible Exposure to Excessive Microwave Energy ii
RF Interference Considerations ii
Specifications and Installation
Theory of Operation 1
Dimensions 1
Certifications 2
Oven Construction 2
Electrical Specifications 2
Installation 2
Unpacking Instructions 2
Installing the Oven 2
Installation Near Open Heat Source 3
ChefComm Pro® 4
ChefComm LimitedTM 4
Voltage Selection 4
Ventilation 4
Daily Maintenance 5-6
Oven Modes
Manual Cook Mode 7
Menu Cook Mode 8
Menu Edit Mode 10
Edit Menu Name 11
Edit Menu Temperature 11
Edit Category Name 12
Edit Category Icon 13
View Edit Recipe Screen 14-15
Continued on next page...
Edit Recipe Cook Time 16
Edit Fan Reverse Time 16
Edit Recipe Icon 17
Edit Recipe Name 17
Run a Test Cook Cycle 18
Manager Mode 19
Set Calendar and Time 20
Set Fahrenheit/Celsius 21
Set Language to English/French 21
Set Speaker Volume 22
Access “Menu Edit Mode” 22
Set Oven Parameters 23
Set Oven Options 24
Manage Menu Data 25
Update UI Firmware 26
Update IO Firmware 26
Service Mode 27
Digital Outputs 28
Oven System
Convection System 29
Blower Motor 29
Blower Motor Speed Controller (BMSC) 29
Convection Heater 29
High Limit Thermostat 29
RTD 29
Solid State Relay 30
Troubleshooting 30
Oven Door 31
Replacing the Oven Door 31
Adjusting the Oven Door 31
Interlock Switches 32
Relay - K5 Monitor 32
Relay - K6 Primary 32
Relay - K7 Secondary 32
Measuring RF Leakage for Microwave Safety 33
Troubleshooting 33
Microwave System 34
Capacitors 34
Testing a Capacitor 34
Fuses 34
High-Voltage Transformers 34
Wiring the High-Voltage Transformers 35
Testing a High-Voltage Transformer 35
High-Voltage Diodes 36
Testing a High-Voltage Diode 36
Magnetrons 36
Magnetron Cooling Fans 36
Magnetron Thermostats 36
Testing a Magnetron for an Open/Shorted Filament 36
Relay - K2, K3, K4 Anode 37
Relay - K8 Magnetron Cooling Fans 37
Tri-Amp Board 37
Waveguides 37
Troubleshooting 37
Control System 38
User Interface 38
Relay I/O Board 38
Speaker 38
USB Port 38
Troubleshooting 38
Electrical Components 39
Circuit Breaker 39
Electrical Compartment Cooling Fan 39
Electrical Compartment Cooling Fan Thermostat 39
EMI Filter 39
Power Supply 39
Relay - K1 Voltage 39
Voltage Transformer 39
Wire Harness 39
Troubleshooting 39
Troubleshooting
Overview of Troubleshooting 41
Fault Code Descriptions 41
F1: Blower Running Status Bad 43
F2: Cook Temperature Low 44
F3: Magnetron Current Low 45
F4: Door Monitor Defective 46
F5: Magnetron Over Temperature 47
F8: Heat Low 48
Continued on next page...
“Oven Door Open” Message when Door is Closed 49
Cooling Verification 50
Inconsistent/Inaccurate Temperature Readings 50
No Display - Screen is Blank 51
No Display - Screen is Blinking or Resetting 51
Food Not Cooking Properly 52
Oven Schematic
U.S. and Canada 54-59
International 60-65
Appendix
Replacing Oven Components A-1
Oven Exterior A-2
Convection System A-4
Oven Door and Related Parts A-6
Microwave System A-8
Controls System A-10
Electrical System A-12
IMPORTANT SAFETY INSTRUCTIONS
WARNING: When operating this oven, strictly adhere to the following safety precautions to
reduce the risk of burns, electric shock, fire, injury, damage to oven or property near oven, or
possible exposure to excessive microwave energy.
GENERAL SAFETY INFORMATION
a
Read all instructions before using this appliance.
a
Read and follow the specific “Precautions to be Observed Before and During Servicing to Avoid
Possible Exposure to Excessive Microwave Energy” found on page ii.
a
This appliance must be grounded. Connect only to a properly grounded outlet. See “Grounding
Instructions” on page ii.
a
Install or locate this appliance only in accordance with the provided installation instructions.
a
This appliance should be serviced by qualified service personnel only. Contact the nearest
authorized service facility for examination, repair, or adjustment.
a
Keep the cord away from heated surfaces.
a
Liquids, such as water, coffee, or tea are able to be overheated beyond the boiling point without
appearing to be boiling. Visible bubbling or boiling when the container is removed from the microwave oven is not always present.
.
a
: The contents of feeding bottles and baby food jars must be stirred or shaken and the temperature checked before consumption, in order to avoid burns (IEC 60335-2-90).
a
Use this appliance only for its intended uses as described in this manual.
a
Only use utensils that are suitable for use in microwave ovens (IEC 60335-2-90).
a
use corrosive chemicals or vapors in this appliance; it is not designed for industrial/laboratory use.
X
: heat liquids or other foods in sealed containers (e.g., jars, whole eggs, etc.) since
they are liable to explode.
X
allow children to use this appliance.
X
operate this appliance if it has a damaged cord or plug, is not working properly, or has been
damaged or dropped. See “Power Cord Replacement” found on page ii.
X
cover or block any openings on this appliance.
X
store this appliance outdoors.
X
use this product near water (e.g., near a kitchen sink, in a wet basement, near a swimming pool).
X
immerse the cord or plug in water.
X
let the cord hang over the edge of a table or counter.
X
use a water jet for cleaning. See pages 5-6 in this manual for proper cleaning procedures.
X
This appliance is not to be used by children or persons with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction.
i
REDUCING FIRE RISK
a
Remove wire twist-ties from paper or plastic bags used to facilitate cooking in the oven.
a
If materials inside the oven ignite, keep the oven door closed, turn the oven off, and disconnect the
power cord or shut off power at the fuse or circuit breaker panel.
a
If smoke is observed, switch off or unplug the oven. Keep the door closed to stifle any flames.
X
use the cook cavity for storage purposes.
X
overcook food. Carefully attend to the oven if paper, plastic, or other combustible materials are
placed inside the oven to facilitate cooking.
X
leave paper products, cooking utensils, or food in the cavity when the oven is not in use.
SAVE THESE INSTRUCTIONS
SAFETY INSTRUCTIONS
iiSAFETY INSTRUCTIONS
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 grounding instructions or if
doubt exists as to whether the appliance is properly grounded.
X
use an extension cord. If the power cord is too short, have a qualified electrician or
service agent 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
qualified person.
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. Refer to page 33 for leakage test procedures.
RF INTERFERENCE CONSIDERATIONS
The G5 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 requirements 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:
a
Increase the physical separation between this oven and the sensitive equipment.
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 equipment on separate electrical circuits if possible.
a
Route intercom wires, microphone wires, speaker cables, etc. away from the oven.
SAVE THESE INSTRUCTIONS
Specifications and
Installation
1
55.29”
(1404 mm)
32.29”
(820 mm)
32.29”
(820 mm)
23”
(584 mm)
G5 Oven Dimensions
30.08”
(764 mm)
Theory of Operation
The TurboChef G5 oven maximizes throughput
by cooking up to five shelves of food without
compromising quality. Variable G5 cooking features
include temperature selection, high-speed air
convection, fan reverse, and microwave assist.
This manual includes instructions for installing,
cleaning, and operating the G5 oven. If you have
questions that are not addressed in this manual,
contact Customer Support at 800.90TURBO
(USA) or +1 214.379.6000 (International), or your
Authorized Distributor.
TurboChef recommends a Type D circuit breaker
for all installations outside the United States.
Installation
Install or locate 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 and literature.
NOTE: Keeping the packaging is recommended in
case the oven may be shipped to another location.
3. Check the cook cavity thoroughly for
packaging, accessories, and oven literature.
Installing the Oven
1. The TurboChef G5 is mounted to a cart at the
factory and shipped secured to the cart.
Minimal to no lifting should be required.
WARNING: The oven weighs approximately
475 lb. (215 kg). If lifting is required, to
prevent serious injury, at least four people are
required for lifting.
2. Ensure the oven racks are properly installed.
3. Plug in the oven.
United States/Canada
Phase and voltage: 3 Phase, 208/240 VAC
Frequency: 50/60 Hz
Current draw: 42-45 Amp
Cord and plug: 4-Wire, NEMA 15-50P
Fuses: 20 Amp
Aux Breaker: 20 Amp
International
Phase and voltage: 3 Phase, 380-415 VAC
Frequency: 50 Hz
Current draw: 25-28 Amp
Cord and plug: 5-Wire, WYE (32A - 6H)
Fuses: 12 Amp
Aux Breaker: 20 Amp
* US/Canada models include a voltage transformer
located on the I/O relay board that detects
208 or 240 VAC. The voltage transformer and
K1 voltage selection relay work in conjunction to
detect lack-of or over-voltage installations. They
do not compensate for lack-of or over-voltage
installations.
CAUTION: This oven is not intended for
built-in installation (i.e., installing the oven in
any structure that surrounds the oven by five
or more sides). Be sure to provide a minimum
of 2” (51 mm) clearance for all surfaces.
WARNING: Do not attempt to stack this oven
without the proper stacking hardware. Contact
the factory for more information.
Installation Near Open Heat Source
Minimum
Minimum
When placing a TurboChef oven near an open heat source (see illustration below), strictly adhere to the
following:
- If the oven is being placed near a grill or stove, a divider must exist between the oven and the open heat source, with a minimum of 6” (152 mm) between the oven and the divider.
- If the oven is being placed near a fryer, a divider must exist between the oven and fryer, with a minimum of 12” (305 mm) between the oven and the divider.
- The height of the divider must be greater than or equal to the height of the oven (32.3” or 820 mm).
- Verify the oven location has a minimum 2” (51 mm) clearance on the top and each side.
3
Partition
32.3” (820 mm)
Above Counter Top
Grill
Installation Near Open Heat Source
6”
(152 mm)
TurboChef
G5 Oven
Cart / Stand
12”
(305 mm)
Partition
32.3” (820 mm)
Above Counter Top
Deep Fryer
SPECIFICATIONS AND INSTALLATION
4SPECIFICATIONS AND INSTALLATIONSPECIFICATIONS AND INSTALLATION
ChefComm Pro
Part Number: CON-7006
ChefComm Pro® lets you easily create menu
settings on a computer and upload them to an oven
via USB thumb drive. For more information, call
TurboChef Customer Support at 800.90TURBO
or +1 214.379.6000.
ChefComm Limited
Part Number: CON-7016
ChefComm LimitedTM is a “read-and-transfer only”
version of ChefComm Pro that helps ensure menu
settings are easy to distribute, while preventing
them from being changed at the store level.
Voltage Selection
For US/Canada oven models, the oven will detect
208 or 240 incoming voltage.
If incoming voltage for the store is different than the
factory-preset voltage, the operator will be required
to select either 208 or 240 after connecting power to
the oven. The correct voltage will be enlarged on the
screen, identifying which option to select.
Ventilation
The TurboChef G5 oven must be installed under a
ventilation hood, in accordance with local HVAC
codes and jurisdictions.
Daily Maintenance
5
08:35
Daily Maintenance
Follow the steps below when cleaning the G5 oven.
1
TOOLS
2
POWER
Status
Door
Closed
Status O =
Ready to Clean
Select
option
Off
Step 1: Cool the Oven
WARNING: e oven operates at temperatures up to 550°F (288°C) and may
cause injury if not allowed to cool properly.
• Turn o the oven by touching “ESC” until the main power screen returns.
• Slightly open the oven door.
• Cooling takes approximately 40 minutes.
DO NOT clean the oven until the display reads “Status O.”
• Spray cleaner onto stains/debris build-up and allow it to set for ve minutes.
DO NOT spray cleaner near the heater elements or convection fan blade.
DAILY MAINTENANCE
5
Step 5: Scrub Stains
• Scrub stains with a nylon scrub pad.
Continued on page 6...
6DAILY MAINTENANCE
6
Step 6: Wipe the Oven Cavity
• Wipe the oven cavity and door with a damp towel to collect any remaining
cleaner residue.
• oroughly dry the cavity and door with a dry towel.
7
Step 7: Clean the Lower Tray
• Remove the lower tray to remove large particles and clean with a damp towel.
8
Step 8: Apply TurboChef Oven Guard
• Spray TurboChef Oven Guard onto a clean towel.
• Wipe the oven’s interior walls and the inside of the oven door.
CAUTION: DO NOT spray Oven Guard directly into the cavity, as it may settle
and build up on the heater elements or the convection fan blade, resulting in a
non-warranty service call.
10
11
9
Step 9: Reinstall the Oven Racks
Step 10: Clean the Oven Exterior
• Wipe the oven exterior with a clean, damp towel.
CAUTION: DO NOT spray chemicals into any openings, such as the louvers on
the back panel or the rear lter. Doing so can damage critical oven components,
resulting in a non-warranty service call.
Step 11: Check the Rear Filter
• Remove the lter and rinse it gently in water.
• Reinstall the clean lter.
• If the lter is damaged, replace it using part number i5-9039.
• e oven is ready to turn on.
Oven Modes
- Manual Cook
- Menu Cook
- Menu Edit
- Manager
Manual Cook Mode
Manual Cook Mode allows cooking “on the fly,” whereas Menu Cook Mode (page 8) allows cooking from pre-set
cook settings.
NOTE: If the Manual Mode icon is not present, see pages 19 and 24 to make it appear.
Select
135/450°F
Menu
Dinner
Lunch
If required, enter passcode 9428. See page 24 to
enable/disable passcode options.
Manual Mode
Status
Heating
Oven temperature
Touch to exit
Manual Mode.
Cool Down
Off /
Breakfast
Prep
Closed
Door
7
Touch to add 30 seconds to a shelf timer,
or hold to rapidly
increase shelf timer.
Touch to clear a
shelf timer.
Touch to begin
counting down the
shelf timer.
While a shelf timer is
counting down, touch
to pause the shelf
timer.
“Microwave Assist”
note will appear after
the oven has completed
warming up.
Touch to set the
temperature.
Touch to modify the
fan speed.
Touch to modify the
fan reverse time.
OVEN MODES MANUAL COOK
Touch to set Microwave Assist to low, medium, high, or off.
Microwave energizes only when the timer is set to greater than zero.
NOTE: Whenever the oven door is opened, the Microwave Assist is
set to off and the microwave circuit de-energizes.
NOTE: Cook options are not available while the oven is heating up.
8OVEN MODES MENU COOK
Menu Cook Mode
The oven is programmed
with recipe settings at the
time of manufacture and
is ready to operate out of
the box. New menu settings
can be loaded via USB
(page 25) or programmed
manually (page 10).
1. Turn the oven on.
4. Select an item.
To view more items,
touch the arrows at the
top and bottom of the
item list.
5. Select how many
shelves of product will
be cooked.
2. Select a menu, or
select “Manual Mode”
to enter Manual Cook
Mode (see page 7 for
details).
3. Select a food group.
To view more groups,
touch the arrow at the
top of the screen.
6. The oven may require
additional heating time
before cooking can
begin. Progress is
displayed at the bottom
of the screen.
7. If the oven is heating
up for the first time,
it may require an
additional “soak” time,
to ensure the cavity
walls retain enough
heat so that cooking
performance will not
be affected.
9
8. When the oven is
done heating, place
the food on the shelves
as shown on the screen.
WARNING: Inside
of oven and oven
door are hot!
10. Cook the food:
a. Touch “Start
Cooking.”
d. To stop cooking
immediately, touch
the Stop icon.
e. When cooking is
done, check the food
or remove it from the
oven.
WARNING: Inside
of oven and oven
door are hot!
b. The timer will begin
counting down.
c. To pause cooking,
touch the Pause icon.
To resume cooking,
touch the Start icon.
f. Additional options:
- Select “Cook More”
if the inside of the
food is not done.
- Select “Brown
More” if the outside
of the food needs
more browning.
- Select “Cook +
Brown” if both the
inside and outside
of the food require
more cooking.
- To cook another
batch of the same
product, touch
“Cook Another.”
- To cook something
else, or to select a
different number of
shelves for cooking the
same product, touch
“Cook Something
Else.”
OVEN MODES MENU COOK
10OVEN MODES MENU EDIT
Menu Edit Mode
Follow the steps below to access the “Menu Edit Mode” screen. From this screen, users can:
• Edit setting names
• Set menu temperature
• Edit icons
• Edit cook settings
• Test cook
• Delete menus, categories, and items
Start Here
Enter passcode 9428.
To select a menu, touch the menu
name.
NOTE: A G5 menu file consists
of 12 menus, each containing 18
categories, each containing 18
items, each containing 5 shelf
configurations. There are 19,440
total uniquely-programmable
cooking profiles.
CAUTION: If “Delete” is selected
(blue), touching a menu will delete
it from the oven. In this illustration,
“Edit” is selected (blue).
Edit Menu Name
11
From the “Menu Edit Mode” screen (page 10), touch the “Edit Menu Name” icon.
Displays the menu selected.
Use keypad to type new name.
Touch to access special characters.
Use arrow keys to move the cursor
without deleting existing text.
Touch “Enter” to save changes.
Edit Menu Temperature
From the “Menu Edit Mode” screen (page 10), touch the “Edit Menu Temperature” icon.
OVEN MODES MENU EDIT
Use numeric keypad to enter new
temperature.
Touch “Save & Exit” to save
temperature.
12OVEN MODES MENU EDIT
Edit Category Name
From the “Menu Edit Mode” screen (page 10), touch “Select Category” icon.
Touch a category name to access
the screen below.
CAUTION: If “Delete” is selected
(blue), touching a menu will delete
it from the oven. In the adjacent
illustration, “Edit” is selected (blue).
Touch “Edit Category Name”
Touch to save the new name.
Use keypad to type new name.
Touch to access special characters.
Use arrow keys to move the cursor
without deleting existing text.
Edit Category Icon
13
From the “Menu Edit Mode” screen (page 10), touch “Select Category” icon.
Touch a category name to access
the screen below.
CAUTION: If “Delete” is selected
(blue), touching a menu will delete
it from the oven. In the adjacent
illustration, “Edit” is selected (blue).
Touch “Edit Category Icon.”
Select the name of the category.
Touch to save
the new icon.
OVEN MODES MENU EDIT
CAUTION: If “Delete” is selected
(blue), touching a menu will delete
it from the oven. In the adjacent
illustration, “Edit” is selected (blue).
Touch an image to select it as
the new category icon.
14OVEN MODES MENU EDIT
View Edit Recipe Screen
From the “Menu Edit Mode” screen (page 10), touch “Select Category” icon.
Touch a category name to access
the screen below.
CAUTION: If “Delete” is selected
(blue), touching a menu will delete
it from the oven. In the adjacent
illustration, “Edit” is selected (blue).
Touch “Select Item to Edit”
See adjacent page for
a larger view.
CAUTION: If “Delete” is selected
(blue), touching a menu will delete
it from the oven. In the adjacent
illustration, “Edit” is selected (blue).
Edit Recipe Screen Overview
From the “Edit Recipe Screen” users can:
• Edit recipe cook time
• Edit fan reverse time
• Edit recipe icon
• Edit recipe name
• Run a test cook cycle
15
Each food item
includes up to five shelf
configurations. The
settings on the adjacent
screen are for two
shelves of product (i.e.,
“Shelves 2”).
NOTE: The sum of event
time percentages must
always equal 100. In this
example, there are two
events, each set to 50% of
the cook time.
Touch “Save” when
finished.
Events are phases of a cook cycle. Up to 6
events can be added, each with varying levels
of air and microwave. Increase or decrease the
amount of time for each event by changing
the %Time.
OVEN MODES MENU EDIT
NOTE: Event settings can be stored for up to
5 different shelf configurations (i.e., “shelves
in use”) per item.
16OVEN MODES MENU EDIT
Edit Recipe Cook Time
From the “Edit Recipe” screen (pages 14-15), touch the cook time icon.
Touch to toggle between minutes
and seconds (MM:SS) and hours
and minutes (HH:MM).
Use numeric keypad to enter time.
Edit Fan Reverse Time
From the “Edit Recipe” screen (pages 14-15), touch the fan reverse icon.
Touch “Enter” to save time.
Use numeric keypad to input
new fan reverse time.
Touch “Enter” to save new time.
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