Pc Control Module (Relay Board) - Bosch HBL8x50UC Service Manual

After installing a new user interface board, always reset the oven and
test.
4.9

PC Control Module (Relay Board)

To access the PC control module, pull the unit out from the wall 15-16
inches, and remove the access panel (3 T20 screws) on the top of the
unit. See Figure 14.
Figure 14 PC Control Module is visible after removing access panel.
Whenever possible, conduct troubleshooting tests at the control
module. Refer to Figures 15 -16 for plug and relay locations.
Rear
X102
X101
X103
X110
X210
X204 X202 X201
X203
Front
Figure 15 Plug locations on the double oven control module
X105 X106 X107
X104
X209
X1
X2
X3
X207
X205 X206
Figures 16 Relay locations on the double oven control module
NOTICE
More than 75% of the control modules returned to the factory are fully
functional. Before diagnosing a bad control module, be sure to
disconnect and reconnect each wire/wire harness.
Service Manual for Bosch Built-in Wall Ovens
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