Bosch HBN8451UC - Component Accessibility; Serviceable from the Front; Serviceable from the Side; Serviceable from the Rear

58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens
Page 13 of 43
Copyright by BSH Home Appliances Corporation 1901 Main St ▪ Suite 600 ▪ Irvine, CA 92614 800 944-2904
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Figure 5 Service panel with Service Guide (wire diagram) attached to the inside of the panel.
5 COMPONENT ACCESSIBILITY
5.1 Serviceable from the Front
 Front panel (service assembly includes skin, touch pad, touch
control module (TCM))
 Display module
 Switches
 Door
 Door latch/motor assembly
 Resettable High Temperature Cutout (HTC) *
 Convection fan blade
 Convection ring element **
 Temperature sensor
 Smoke eliminator (catalyst)
 Broil reflector and element **
*
If it is not possible to service the resettable HTC through the latch plate
opening, see the Resetting and Replacing the HTC section.
**
If the broil or convection ring element wires are too short to service from
the front, access to the rear of the oven will be required.
5.2 Serviceable from the Side
With the unit pulled completely away from the back wall and the side
housing panel(s) and trim removed, the following components are
serviceable…
 Hinge receivers
 Meat probe receptacle
5.3 Serviceable from the Rear
With the unit pulled completely out of the cutout and the back housing
panel(s) removed, the following components can be serviced from the
rear…
 Convection fan motor
 Convection ring element *
 Broil element *
 Bake element
 Cooling fan
 Cavity lamp receptacle(s)
*
If the broil or convection ring element wires are too short to service from the
front, access to the rear of the oven will be required.
5.4 Serviceable from the Top
There is a service panel located on the top front housing cover. With
the service panel open, there is limited access to the top front plenum
area. The control module is accessible for troubleshooting purposes.
The HBL8752UCC, HBL8742UCC, and HBLHBL87M52UCC
combination oven component includes a pair of service slides
mounted to the top of the oven, which enable the upper microwave
speed oven to slide toward the rear ~7” if it becomes necessary to
access the lower oven service panel. See Top Access: Combination
Models for additional information.
The following components are located in the front area of the top
plenum, and it may be possible to service them through the service
panel without removing the top front and/or rear housing cover(s)…
 Control module (relay board)
 Daughter board (double ovens only)
 Terminal block