Bosch Benchmark HBLP451LUC Service Manual - Page 33
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Also for Bosch Benchmark HBLP451LUC: Specifications (3 pages), Installation Manual (39 pages), Installation Manual (22 pages)
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58300000181895 ARA EN A
E303. When the HTC detects a temperature of 150°F/65°C, it will
close and allow the fan to run.
To test the upper fan at the control module, check voltage across
X105 / Pin 3 and neutral. There is also a Cooling Fan Relay Test
available in Service mode. See the Service Mode section for details.
Figure 48 Cooling fan motor and HTC
6.12.1 Replacing the Cooling Fan
1. Remove power to the oven.
2. Remove the screws securing the right and left side trim pieces to
the cabinetry.
3. Carefully slide the oven out of the cutout to gain access to the
cooling fan from the rear of the unit.
4. Remove the top front housing and the top rear housing.
5. Remove the rear housing cover.
6. Remove the screws securing the air box bracket surrounding the
fan, and set aside.
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.
JUNE 2014
Figure 49 Cooling fan and air box bracket
7. Disconnect the wires.
8. Remove the screw in the top center of the fan, which secures it to
the plenum area, and pull the fan out.
9. Install the new cooling fan, reattach the wires and reinstall the air
box bracket.
10. Restore power to the unit and test operation.
11. Reinstall all housing cover(s).
12. Slide the unit back into the cutout and reinstall the side trim
pieces.
6.13 Hinge Receivers
To replace the hinge receivers, the oven must be pulled completely
out of the cutout to provide access to the side panel(s).
6.13.1 Replacing the Hinge Receivers (bottom-hinge)
1. Remove power to the oven.
2. Remove the door as described in the Removing and Reinstalling
the Door section.
3. Remove the screws securing the right and left side trim pieces to
the cabinetry.
4. Carefully slide the oven out of the cutout to gain access to the side
housing panel(s).
1901 Main St ▪ Suite 600 ▪ Irvine, CA 92614
Service Manual for Bosch Benchmark Series Built-in Wall Ovens
1
2
1 Air box
bracket
2 Cooling fan
assembly
Page 33 of 45
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