Bosch HBL57M52UCC Series - Control Panel

58300000202181 ARA EN B November 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens
Page 18 of 41
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Figure 20 Accessing the latch/HTC on the top insulation retainer
2. First remove the latch plate and remove or slide the
latch/motor assembly aside as described in the Replacing the
Latch/Motor Assembly section.
3. Using a right-angled screwdriver, remove the two screws
securing the HTC to its mounting bracket.
4. Disconnect the wires and remove the HTC.
5. Install the new HTC.
6. Reinstall or reposition the latch motor assembly.
7. Restore power and test operation.
* If it is not possible to replace the HTC from the front, slide the oven
completely out of the cutout, remove the top housing covers, remove the
front panel, then remove all of the parts identified with a  below to reach the
top insulation retainer, where the latch and HTC are located.
6.4 Control Panel
The control panel includes…
 Front panel assembly: stainless steel skin, white LED touch
panel assembly, and touch control module (TCM)
 Sheet metal carrier
 Display module, which is mounted to the carrier
The complete front panel assembly is offered as the service
replacement for the stainless skin, touch panel, and/or TCM. These
components are not available separately.
The TCM is an electronic module which monitors, qualifies, and
transmits the inputs from the touch panel to the control module. After
start-up, the control module polls the TCM every 100ms to determine
which, if any, keys are activated. The response to a each key press is
controlled by the control module.
A Front Panel Test is available in Service mode. See the Service
Mode section for details.
The control panel must also be removed to service the temperature
and/or mode switches, which are rotary encoders.
Figure 20 Control panel for single oven with Euro-convection
Figure 21 Control panel for double oven with Euro-convection upper cavity and thermal lower cavity