Vulcan-Hart FlashBake VFB6 Operating manual

A product of VULCAN-HART LOUISVILLE, KY 40201-0696
Form 24677 (April 2000) © VULCAN 2000
- NOTICE -
This Manual is prepared for the use of trained Vulcan Service
Technicians and should not be used by those not properly
qualified. If you have attended a Vulcan Service School for this
product, you may be qualified to perform all the procedures
described in this manual.
This manual is not intended to be all encompassing. If you have
not attended aVulcan ServiceSchoolforthisproduct,you should
read, in its entirety, the repair procedure you wish to perform to
determine if you have the necessary tools, instruments and skills
required to perform the procedure. Procedures for which you do
not have the necessary tools, instruments and skills should be
performed by a trained Vulcan Service Technician.
Reproduction or other use of this Manual, without the express
written consent of Vulcan-Hart, is prohibited.
SERVICE MANUAL
SUPPLEMENT
MODEL VFB6
FlashBake ®OVEN
ML 126877 and ML 126879
This information is to be used in addition to F 24586
FlashBake® Oven Service Manual. Refer to latest Catalog of
Replacement Parts for parts information.
TABLE OF CONTENTS
General .......................................... 2
Operation ........................................ 2
Cleaning ......................................... 2
Installation........................................ 2
Service Procedures and Adjustments ................... 2
ToEnteraPassword .............................. 2
IfYouForgetthePassword ......................... 2
ClearingMemory ................................. 2
LampTest ...................................... 2
FB6 Alarms and Diagnostics ........................ 3
WiringDiagram .................................... 4

VFB6 - SERVICE MANUAL SUPPLEMENT
Page 2 of 4
GENERAL
Introduction
ML 126877 is supplied with a power cord and
requires a 240 Volt, 1Phase NEMA 14-30R
receptacle for operation at either 208 or 240 volts.
ML 126879 has a "J" box for direct electrical
connection and requires a 208-240 / 60 / 1 supply.
These units are similar to the current Model VFB12.
The units have the same physical construction as
the FB12 but have the following differences:
•Software change
•Total of 4 lamps
•Only 3 lamps are on at a time
•Lamps are always on at full power when lit
•Cook modes consist of Hi, Med, Lo and Brown
•Only available in 208-240 / 60 / 1
Electrical Data
Model Voltage Phase Cycles Breaker
Size
VFB6 208-240 1 60 30Amp
OPERATION
For operation instructions refer to the documentation
shipped with the oven.
CLEANING
For cleaning instructions refer to the documentation
shipped with the oven.
INSTALLATION
For installation instructions refer to the
documentation shipped with the oven.
SERVICE PROCEDURES AND
ADJUSTMENTS
NOTE: The following procedure is common to both
the FB12 and the FB6.
To Enter a Password
1. Press and hold down the "1" button and press
the "6" button simultaneously.
2. At the prompting of the display, enter a four
digit password.
3. Follow the instructions on the display to either
save or disable the password.
4. Be sure to save the password, even if you want
to disable it.
5. If a password has already been enabled, you
must enter the current password before it will
allow you to change or disable the password.
If You Forget the Password
1. Turn the oven "OFF".
2. Hold down the STOP button as you press the
ON/OFF button to turn the oven on. Continue
to hold down STOP button until beeping is
continuous.
3. Release the STOP button. The display will
briefly show the current password.
NOTE: If no password is saved, only normal power
up information will be displayed.
Clearing Memory
WARNING: DISCONNECT THE ELECTRICAL
POWER TO THE MACHINE AT THE MAIN
CIRCUIT BOX. PLACE A TAG ON THE CIRCUIT
BOX INDICATING THE CIRCUIT IS BEING
SERVICED.
1. Use the jumper stored on J11 of the control
board.
2. Place the jumper on W2.
3. Turn the oven on.
4. Press the Clear key.
5. The display will read "?CLEAR ALL
MEMORY?".
6. After a few seconds, the display will read "!ALL
MEMORY ZERO!".
NOTE: The recipes and cook cycle counts are
cleared to "0" values.
7. Turn the oven off.
8. Install the jumper in the open position on J11.
Lamp Test
NOTE: Refer to service manual and use buttons 1
and 8.
During the lamp test only the lamp numbers for
lamp positions used in the FB6 will display. The
numbers 1, 5 and 7 will not display because there
are no lamps in those positions.

VFB6 - SERVICE MANUAL SUPPLEMENT
Page 3 of 4
FB6 Alarms and Diagnostics
MESSAGE PROBABLE CAUSE ACTION
High power is not ON.
--> Press ANY key < --
1. High limit thermostat open. 1. Press any button to clear the
message.
2. Restart the cook cycle.
Door is open. 1. Door detected open after
cook cycle started. 1. Check for obstructions that may be keeping the door from closing
properly.
2. Restart the cook cycle.
Door is not closed. 1. Door detected open at start
of cook cycle. 1. Check for obstructions that may be keeping the door from closing
properly.
2. Restart the cook cycle.
Oven overheated. Allow to
cool. 1. Press any button to clear the message.
2. Make sure the blower is on.
3. Check vent/duct for obstructions.
4. Close door, wait for the oven to
cool.
5. Restart the cooking cycle.
Lamps are on *!.
H.V. is turned off.`
1. Lamp on at incorrect time. 1. Turn the oven off.
2. Turn the oven on.
3. Restart the cook cycle.
Upper lamp.
Shield out of place.
1. Upper lamp shield out of
place.
2. Upper lamp shield switch
open.
1. Check that the upper lamp shield is
properly installed.
2. Check the upper lamp shield
switch.
3. Restart the cook cycle.

VFB6 - SERVICE MANUAL SUPPLEMENT
Form 24677(April 2000) Printed in U.S.A.
WIRING DIAGRAM