Bosch Benchmark Series Service Manual
Built-in wall ovens
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Also See for Benchmark Series:
- User manual ,
- Use and care manual (60 pages) ,
- Installation instructions manual (40 pages)
Table of Contents
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S
M
ERVICE
ANUAL
for
Benchmark Series
Built-in Wall Ovens
HBLP451LUC / HBLP451RUC
HBLP451UC
HBLP651LUC / HBLP651RUC
HBLP651UC
HBLP751UC
HBLP751UCC
HSLP751UCC
This manual contains information that is necessary for
servicing the following Bosch electric built-in wall ovens:
HBLP451LUC, HBLP51RUC, HBLP451UC,
HBLP651LUC, HBLP651RUC, HBLP651UC,
HBLP751UC, HBLP751UCC, HSLP751UCC
This manual is designed to be used by qualified service
personnel only. Due to the complexity and the risk of
high-voltage electrical shock, Bosch does not recommend
that customers service their own units.
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.
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Table of Contents
Related Manuals for Bosch Benchmark Series
Summary of Contents for Bosch Benchmark Series
- Page 1 ANUAL Benchmark Series This manual contains information that is necessary for Built-in Wall Ovens servicing the following Bosch electric built-in wall ovens: HBLP451LUC, HBLP51RUC, HBLP451UC, HBLP651LUC, HBLP651RUC, HBLP651UC, HBLP751UC, HBLP751UCC, HSLP751UCC This manual is designed to be used by qualified service personnel only.
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Page 2: Table Of Contents
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens TABLE OF CONTENTS Oven High Temperature Cutout (HTC) ....... 24 Symbols Used in this Manual ............ 3 6.4.1 Resetting and Replacing the HTC ....... 24 Important Safety Information ............ -
Page 3: Symbols Used In This Manual
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens 1 SYMBOLS USED IN THIS MANUAL WARNING – this symbol alerts you to dangers that may result in bodily injury or death CAUTION – this symbol alerts you to actions that may result in damage to the product or property ... -
Page 4: Important Safety Information
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens 2 IMPORTANT SAFETY INFORMATION WARNING Before starting to service an appliance, familiarize yourself with all safety information and precautions included in this manual. Electrical hazards…... - Page 5 58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens WARNING Clean-up hazards… Do not allow any cleaning or polishing solutions/compounds, disinfectants, or bleaches to remain in contact with the stainless steel surfaces for long periods, or after clean-up. These may contain chemicals or materials which could release harmful inhalants and may cause damage to the appliance.
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Page 6: General
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens Temperature control: now a two-point control for all modes 3 GENERAL rather than a PID control for all modes. Hinges: Models with bottom hinge soft-close doors and There are eight Benchmark Series 30”... -
Page 7: Combination Ovens (Sets)
NOTICE Be prepared to provide the complete Model Number and FD number printed on the data plate of the unit when contacting Bosch Customer Support or Technical Support for assistance. On bottom hinge models, the data plate reflecting model number and FD number is located on the left side trim. -
Page 8: Warranty
The product is warranted to be free from defects in materials and workmanship for a period of 365 days from date of purchase. Bosch will have no responsibility or liability for repairs or work performed by a non-authorized servicer. Find the complete Statement of Limited Product Warranty in the product’s Use and Care Manual. -
Page 9: Operation
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens Cooking Mode Models Default 4 OPERATION Auto Temp Convection Reduction by Conversion This section includes basic information about how the Benchmark 25°F Series wall ovens operate. -
Page 10: Element Duty Cycles
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens Cooking Mode Elements Used Description Cooking Mode Elements Used Description Broil, Bake Same as Convection Roast; meat probe monitors food temp Upper and lower elements cycle to... -
Page 11: Setting Temperature Offsets
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens be entered by the customer from the Settings menu to raise or lower the cavity temperature during operation in Bake, Roast, Convection Bake, Convection Roast, and Convection Multi-rack modes. The allowable Offset range is from 0°F to +/- 35°F (or 0°C to +/-19°C). -
Page 12: Self-Clean
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens The adjusted temperature cannot be less than the minimum allowable temperature for the cooking mode, nor higher than the maximum for the cooking mode. See Allowable Operating Range by Cooking Mode section. -
Page 13: Component Accessibility
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens 5 COMPONENT ACCESSIBILITY Serviceable from the Rear With the unit pulled completely out of the cutout and the back housing Serviceable from the Front panel(s) removed, the following components can be serviced from the rear…... -
Page 14: Top Access: Non-Combination Models
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens The following components are located in the front area of the top CAUTION plenum, and it may be possible to service them through the service panel without removing the top front and/or rear housing cover(s)…... - Page 15 58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens To remove the microwave speed oven or steam convection oven… 1. Remove power to the combination oven. 2. Remove the screws securing the right and left side trim pieces to the cabinetry.
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Page 16: Service And Repair
Do not force door open or closed. Handle with care–the door weighs approximately 40 lb. On all double ovens, the Bosch logo is located on the upper oven door skin. To remove the door… ... -
Page 17: Replacing The Hinges
To reinstall the door… 1. Hold the door firmly in both hands and position the hinges in the The doors on Bosch Benchmark series ovens are soft-close, and hinge receivers, so that the slot in the base of the hinge (A) operate using one dampen hinge and one spring hinge. -
Page 18: Replacing The 2-Pane Glass Pack
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens 4. Lift the liner away from the rest of the door assembly and set 6.1.3 Replacing the 2-Pane Glass Pack aside. 5. Remove the screws at the top left and top right which secure ... -
Page 19: Side-Hinge Doors
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens Side-Hinge Doors The serviceable parts of the side-hinge door include the handle, endcaps, outer door glass/skin (service assembly), side hinge assembly, 2-pane glass pack, middle glass, porcelain-coated door liner, latch receiver assembly, and the various fasteners. - Page 20 58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens 3. Remove 3 torx-head screws securing the upper hinge to chassis 5. Set the door aside on a protected flat surface. (A); do not attempt to remove the Phillips-head screw (B).
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Page 21: Aligning The Door
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens 7. Confirm that the adjustment cam on the lower hinge is correctly If the door is too low, a bump will be felt when the striker comes into positioned within the slot in the front frame and rear support contact with the re-alignment roller within the catch receiver. -
Page 22: Replacing The Hinge Assembly
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens 2. Remove the three screws along the bottom of the door assembly and two screws from each side of the door liner which secure the door liner to the outer door assembly;... -
Page 23: Door Latch/Motor Assembly
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens There is a Door Lock Relay Test available in Service mode. See the Door Latch/Motor Assembly Service Mode section for details. The motorized door latch (MDL) mechanism (120VAC 60Hz 4.3W) 6.3.1... -
Page 24: Oven High Temperature Cutout (Htc)
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens 5. Install the new latch/motor assembly, reconnecting the wires and 6.4.1 Resetting and Replacing the HTC engaging the latch correctly with the latch support bracket. -
Page 25: Control Panel
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens 5. Carefully slide the oven out of the cutout to gain access to the Control Panel front and rear top housing covers. 6. Remove the top housing covers. -
Page 26: Replacing The Front Panel Assembly
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens 6. Remove the screw in the bottom center of the panel, which 6.5.1 Replacing the Front Panel Assembly secures the panel to the carrier directly behind it. -
Page 27: Cavity Lights
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens 1. Remove the front panel as described in Replacing the Front Panel 6.6.1 Replacing the Bulb Service Assembly section. 2. Using pliers, gently straighten each metal tab so that they align Each rectangular glass light lens is secured to the lamp receptacle with the slots in the display board, then lift the board off the tabs. -
Page 28: Replacing The Lamp Receptacle Assembly
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens 5. Support the lens and repeat step 4 with the second clip; carefully 1. Turn off power to the oven at the main power supply (fuse box or slide the lens out and set aside;... -
Page 29: Convection Fan, Ring Element And Motor
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens 7. Restore power and test operation. Convection Fan, Ring Element and Motor 6.7.2 Replacing the Ring Element Regardless of model, all Benchmark series oven cavities include Euro-convection with a fan and ring element on the rear cavity wall. -
Page 30: Replacing The Convection Fan Motor
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens 10. If necessary, slide the oven back into the cutout and reinstall trim. Broil Element 6.7.3 Replacing the Convection Fan Motor The 240V 3800W broil (upper) element is attached to a reflector, which helps to direct the heat evenly toward the food. -
Page 31: Bake Element
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens Bake Element 6.10 Temperature Sensor The 240V 2400W bake element is concealed in the base of the oven. The PT1000 temperature sensor is in the upper left corner of the Access to the rear of the unit is necessary when replacing the cavity, with two screws securing it. -
Page 32: Replacing The Control Module Or Daughter Board
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens The control module (and daughter board on double ovens) control the 4. Locate the Service Guide (wire diagram) attached to the inside of elements, fans, door locks, lights, etc., regulate temperatures, and the service panel. -
Page 33: Replacing The Cooling Fan
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens E303. When the HTC detects a temperature of 150°F/65°C, it will 1 Air box close and allow the fan to run. bracket 2 Cooling fan... - Page 34 58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens 5. On double ovens, remove the corner brackets between the upper 9. Install the new hinge receiver. and lower oven. 10. Reinstall the oven door and test door operation.
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Page 35: Troubleshooting
58300000180593 ARA EN A APRIL 2014 Service Manual for Bosch 800 Series Built-in Wall Ovens 7 TROUBLESHOOTING The information in this section will be helpful when troubleshooting, diagnosing, and resolving faults and other issues affecting the normal operation of the oven. - Page 36 58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens Error Code Description Cause/Notes Suggested Action(s) ROM-check performed at reset fails. All E009 heating elements disabled. Error will be E009: Replace user interface ROM-check error in user interface...
- Page 37 58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens Error Code Description Cause/Notes Suggested Action(s) Temperature sensor disconnected or has a Check all connections and wires to temperature faulty connection. Cooling fan will operate at sensor.
- Page 38 58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens Error Code Description Cause/Notes Suggested Action(s) “Hot” wire shorted to ground. Connection to the probe changes from connected to disconnected multiple times. Probe is disabled, Check wires and connections;...
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Page 39: Service Mode
Current version number for the UI software Software revision and EEPROM version Displays current option code; press Edit (soft Table 8 Service mode menu options for Benchmark series wall ovens key) to enter a new code. Press Enter (soft Option code... -
Page 40: Fault Trees
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens Always confirm that the oven and all components are functioning normally after re-setting the option code. Fault Trees The Fault Trees on the following pages can be used to guide troubleshooting efforts. - Page 41 58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens Page 41 of 45 1901 Main St ▪ Suite 600 ▪ Irvine, CA 92614 Copyright by BSH Home Appliances Corporation 800 944-2904 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.
- Page 42 58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens Page 42 of 45 1901 Main St ▪ Suite 600 ▪ Irvine, CA 92614 Copyright by BSH Home Appliances Corporation 800 944-2904 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.
- Page 43 58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens Page 43 of 45 1901 Main St ▪ Suite 600 ▪ Irvine, CA 92614 Copyright by BSH Home Appliances Corporation 800 944-2904 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.
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Page 44: Wiring Diagrams And Schematics
58300000181895 ARA EN A JUNE 2014 Service Manual for Bosch Benchmark Series Built-in Wall Ovens Wiring Diagrams and Schematics The wire color key (Table 10) and element strip diagrams are shown below. For schematics, please refer to the Built-in Oven Service Guide, which can be found on QuickFinder or attached to the control module access cover in the upper oven plenum. -
Page 45: Additional References
Benchmark Series Built-in Ovens Use and Care Manual Be prepared to provide the complete Model Number and FD HMC80251UC Service Manual number printed on the data tag of the unit when contacting Bosch HMC80251UC Wire Diagram/Schematic Customer Support or Technical Support for assistance.