Bosch Vision 800 Series Manuale di servizio - Pagina 24
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6.5.1
Replacing the Lamp
m CAUTION
1. Unscrew glass lens cover by turning it counter-clockwise.
Turn off power to the oven at the fuse or breaker box–light socket
is live with door open.
Be sure oven and lights are cool to the touch.
NOTICE
Handle glass lenses and glass bulbs carefully.
Sometimes, after running a self-clean cycle at high heat, it may become
difficult to remove the glass lens. If it cannot be done by hand, an
adjustable strap-wrench may be used.
Figure 30 Removing the glass lens
2. Unscrew the appliance bulb by turning it counter-clockwise.
3. Insert the new bulb.
4. Replace the glass cover.
5. Restore power to the unit and test the operation of the light.
6.6
Convection Fan, Ring Element and Motor
All 800 series models have a Euro-convection cavity with a fan and
ring element on the rear cavity wall. In double ovens, the upper cavity
has the convection feature.
Depending on the cooking mode selected, the fan may be used, with
or without the ring element, to circulate heat evenly throughout the
cavity. The 240V 2000W ring element, however, will never run without
the fan.
Copyright by BSH Home Appliances Corporation
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
JANUARY 2018
The fan blade is easily accessed on the rear wall of the oven cavity
behind the convection baffle. It is likely that the wires to the ring
element terminals are a little too short to enable element replacement
from inside the cavity, so rear access to the oven may be needed.
Replacing the convection fan motor will also require access to the rear
of the unit.
A Ring Element Ring Relay Test and a Convection Fan Relay Test
are available in Service mode. See the Service Mode section for
additional information. Refer to the Element Strip Diagram section to
test the ring element at the control module.
If the wires are disconnected from the element terminals, an
ohmmeter can be used to check for resistance of ~29 ohms.
6.6.1
1. Remove power to the oven.
2. Remove the screws securing the convection baffle to the rear
wall of the oven cavity.
3. While holding the fan blade, loosen the nut by turning it
clockwise; set the nut and washer aside.
4. Remove the fan blade from the shaft of the motor, noting that
there is a second washer behind the fan blade.
5. Install the new blade.
6. Reassemble the convection fan and replace the baffle.
7. Restore power and test operation.
6.6.2
It is likely that the wires are too short to service the convection ring
element from the front of the oven. However, to attempt service
from the front...
1. Remove power to the oven.
2. Remove the screws securing the convection baffle to the rear
wall of the oven cavity.
1901 Main St ▪ Suite 600 ▪ Irvine, CA 92614
Service Manual for Bosch 800 Series Built-in Wall Ovens
Replacing the Convection Fan Blade
Replacing the Ring Element
Page 24 of 43
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