Bosch Divar 700 Series Guida all'installazione
Service Basic Instructions
Bosch Wall Ovens Series 700
Training Session
April, 2002
SYSTEM PARTS
1.DISPLAY BOARD. It’s mounted on the front
panel, it’s the oven brain. It handles the user
interface (display, keyboard and knob), receives
inputs and send information to drive all outputs
through the Power Board.
2.POWER BOARD. It’s mounted on the cooling
channel, it provides the Display Board with all its
power lines. It manages the latch, the heaters, the
auxiliary loads following the Display Board
indications. It measures the temperature read by
the sensor.
3.HEATING ELEMENTS (nominal power at 240V).
a.UPPER ELEMENT 3500W
b.LOWER ELEMENT 3000W
c.RING ELEMENT 2500W
d.ADDITIONAL ELEMENT 1000W
4.AUXILIARY RELAY BOARD. It’s mounted on
the front panel. It provides the working fan dual
speed (only double oven) and the Double Line
Break feature (only for Canadian requirements).
5.SAFETY THERMOSTATS. The oven is provided
with two safety thermostats. They simply cut off
L2 when temperature inside gets too high. The
high temperature one (165°C) is always in series
with the heaters, the low temperature (110°C) is
by-passed during self-clean. They are mounted
together, behind the cooling fan.
6.KLIXON RELAY BOARD. It’s mounted on the
cooling channel, to by-pass the low temperature
safety thermostat during self-clean.
7.TOUCH KEYBOARDS. They can be 6 pads
(single oven) or 8 pads (double oven). They are
glued on the front panel glass.
8.ROTARY SWITCH. It’s activated through the
knob on the front panel. The control detects
rotation verse and number of ticks.
9.TEMPERATURE SENSORS. They are mounted
inside the cavity, fixed from the outside, on the
rear wall. The only mean to measure oven
temperature.
10.LATCH MECHANISM. To lock the door when
self-clean is running, until the cavity cools down.
11.AUXILIARY LOADS. Working and cooling fans,
oven lights, for both cavities.
12.MEAT PROBE. The oven is provided with a meat
probe, which needs only to be plugged in its
receptacle on the cavity left side wall.
IMPORTANT WARNINGS
1. LATCH AUTO-TEST. At power-up, the
control runs a latch mechanism self-test. The
display shows the message UNLOCKING
DOOR until both cavities have completed
their lock/unlock cycle. This allows the user
to restore the latch position, in case of any
problem: turn off the main power supply and
wait for a few minutes before re-powering.
Each latch takes about 30sec. to run the test.
If the control can’t complete this test, power
down the oven, search for a hardware fault
and remove it.
2. BY-PASSING LATCH TEST. If there is
any reason to by-pass the latch test, at
power-up, simply keep the [Start] key
pressed until the clock is displayed.
3. OVEN MODEL SELECTION OR
MANUAL TEST. If you intend to enter this
special sections, never press [Cooking
Mode] key before doing it because the two
features will be disabled. In any case, both
features must be accessed within 5 minutes
from the power-up.
OVEN MODEL SELECTION
This operation is normally executed at the manufacturer facilities.
If the display board has to be replaced, the oven model must be
reconfigured. At first power-up, the Double Oven is always
configured as a 30” both multifunction cavities.
MANUAL TEST ACCESS PROCEDURE:
1. Press CANCEL key.
2. Turn the knob 4 detents CW.
3. Turn the knob 6 detents CCW.
4. Press START key.
5. The writing MANUAL TEST is displayed.
To reconfigure the oven model as a different double:
1. Press [Cooking Mode] key.
2. Turn the knob to select the correct oven model.
N° MOD DISPLAY OVEN MODEL
1C30 CONVECT 2 30” DOUBLE OVEN
MULTIFUNCTION/MULTIFUNCTION
3D30 THERMAL 2 30” DOUBLE OVEN
MULTIFUNCTION/THERMAL
5G27 CONVECT 2 27” DOUBLE OVEN
MULTIFUNCTION/MULTIFUNCTION
7H27 THERMAL 2 27” DOUBLE OVEN
MULTIFUNCTION/THERMAL
3. Press [Start] key to accept the new selection, the control
sounds a tone.
4. Press [Cooking Mode] key again to quit the oven model menu
and going back to manual test procedure.
OVEN MODEL SELECTION SINGLE
OVEN
This operation is normally executed at the manufacturer facilities.
If the display board has to be replaced, the oven model must be
reconfigured. There is only one single part number for the display
board then, after having replaced it, also a single oven is
configured as a double oven 30” Multifunction/Multifunction.
IMPORTANT: ALWAYS KEEP PRESSED START KEY AT
FIRST POWER-UP ON A SINGLE OVEN, UNTIL THE
CLOCK IS DISPLAYED.
Otherwise, the control will try to run the latch auto-test but,
missing one cavity, it will never be able to complete it. At first
power-up, the control realizes that one cavity is missing: the
display shows a calibration error message. Ignore it and proceed
with the…
MANUAL TEST ACCESS PROCEDURE
1. Press CANCEL key.
2. Turn the knob 4 detents CW.
3. Turn the knob 6 detents CCW.
4. Press START key.
5. The writing MANUAL TEST is displayed.
To reconfigure the oven model as a single:
1.Press [Cooking Mode] key.
2.Turn the knob to select the correct oven model.
N° MOD DISPLAY OVEN MODEL
0A30 CONVECT 1 30” SINGLE MULTIFUNCTION
2B30 THERMAL 1 30” SINGLE THERMAL
4E27 CONVECT 1 27” SINGLE MULTIFUNCTION
6F27 THERMAL 1 27” SINGLE THERMAL
3.To confirm the selection:
a. If the Display Board is still configured as a
double, KEEP THE [START] KEY PRESSED
UNTIL THE CLOCK APPEARS ON THE
DISPLAY. The control resets itself.
b.If the Display Board is already configured as a
single, press the [Start] key to accept the new
selection, the control sounds a tone. Press then
[Cooking Mode] key again to quit the oven
model menu and going back to manual test
procedure.
POWER SUPPLY SELECTION
The oven provides a 208V power supply option, for areas
where the standard 240V is not available. First connect the
oven to power then, to access this option, follow the
procedure below:
240V/208V POWER SELECTION:
1.Open the oven door (upper oven for double).
2.Turn the knob 6 detents CW.
3.Turn the knob 9 detents CCW.
4.Press [Start] key.
5.240 SELECTED is displayed (or 208 SELECTED).
6.Press [Cooking Mode] key to change selection.
7.Touch [Start] key to confirm the new selection.
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9
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