Bosch 800 series Service Manual
  1. Manuals
  2. Brands
  3. Bosch Manuals
  4. Oven
  5. Vision 800 Series
  6. Service manual

Bosch 800 series Service Manual

Built-in wall ovens
Hide thumbs Also See for 800 series:
Table of Contents

Advertisement

Quick Links

See also: Instructions for Use Manual , Use and Care Manual
S
M
ERVICE
ANUAL
for
800 Series
Built-in Wall Ovens
HBL8442UC
HBL8752UCC*
HBL8451UC
HBL87M52UCC*
HBL8461UC
HBL8742UCC*
HBL8642UC
HBL8651UC
HBN8451UC
HBL8661UC
HBN8651UC
This manual contains information that is necessary for
servicing the following Bosch electric built-in wall ovens:
HBL8442UC, HBL8451UC, HBL8461UC, HBL8642UC,
HBL8651UC, HBL8661UC, HBL8742UC
HBL8752UCC, HBL87M52UCC, HBL8742UCC
HBN8451UC, HBN8651UC
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.
*HBL8752UCC is the traditional wall oven component of
the HBL8752UC combination oven (set), which also
includes the HMC80252UC Speed microwave oven.
**HBL87M52UCC is the traditional wall oven component
of the HBL87M52UC combination oven (set), which also
includes the HMB50152UC Solo microwave oven.
**HBL8742UCC is the traditional wall oven component of
the HBL8742UC combination oven (set), which also
includes the HMC80242UC Speed microwave oven.

Advertisement

Table of Contents
loading

Related Manuals for Bosch 800 series

Summary of Contents for Bosch 800 series

  • Page 1 ERVICE ANUAL 800 Series This manual contains information that is necessary for Built-in Wall Ovens servicing the following Bosch electric built-in wall ovens: HBL8442UC, HBL8451UC, HBL8461UC, HBL8642UC, HBL8651UC, HBL8661UC, HBL8742UC HBL8752UCC, HBL87M52UCC, HBL8742UCC HBN8451UC, HBN8651UC This manual is designed to be used by qualified service personnel only.

  • Page 2: Table Of Contents

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens TABLE OF CONTENTS 6.4.2 Replacing the Display Module ........23 Symbols Used in this Manual ............ 3 Cavity Lights ............... 23 IMPORTANT SAFETY INFORMATION ........4 6.5.1 Replacing the Lamp ............. 24 Safety Before Servicing the Appliance ........

  • Page 3: Symbols Used In This Manual

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens 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

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens WARNING IMPORTANT SAFETY INFORMATION Before starting to service an appliance, familiarize yourself with all safety information and precautions included in this manual. Electrical hazards… Safety Before Servicing the Appliance ...
  • Page 5 58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 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.

  • Page 6: General

    Service Manual for Bosch 800 Series Built-in Wall Ovens GENERAL Models The model number structure for the 2014 wall ovens appears below. The 800 Series includes five HBL8x (30”) and two HBN8x (27”) built- in wall ovens. Models have thermal oven cavities and/or Euro- Variant OLOR...

  • Page 7: Combination Ovens (Sets)

    Support or Technical Support for assistance. linked to the component models rather than the combination model SKU. For example, the 800 series combination is sold as an HBL8752UC, but the service documentation can be found in Note: Some traditional ovens manufactured between April and...

  • 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

    Service Manual for Bosch 800 Series Built-in Wall Ovens Cooking Mode Models Default OPERATION HBL8642UC(u) Multi-Rack HBL8651UC (u) This section includes basic information about how the 800 Series wall Convection 100°F 550°F 325°F ovens operate. HBL8661UC (u) (Eur. Conv.) HBN8651UC(u)

  • Page 10: Elements Used By Cooking Mode

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens Cooking Mode Elements Used Description 4.2.1 Elements Used by Cooking Mode Upper and lower elements cycle to The table below reflects the elements which are used for each...

  • Page 11: Setting Temperature Offsets

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens 4.2.3 Setting Temperature Offsets In some cases, it may be necessary to adjust the oven temperature if the customer reports that food is consistently under- or over-cooked, even though the oven is operating normally. Temperature Offsets can...

  • Page 12: Self-Clean

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens Self-clean In a double oven, if Self-clean is running in one cavity, the second cavity will be disabled until the cycle finishes. Cooling Fan The cooling fan will operate during any cooking mode and is used to maintain allowable temperatures on internal components and customer-accessible surfaces.

  • Page 13: Component Accessibility

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens  COMPONENT ACCESSIBILITY Broil element *  Bake element  Cooling fan Serviceable from the Front  Cavity lamp receptacle(s)  Front panel (service assembly includes skin, touch pad, touch...

  • Page 14: Top Access: Non-Combination Models

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens 5.4.1 Top Access: Non-combination Models  CAUTION To reach the service panel, remove the screws securing the side trim to the cabinetry, and slide the oven out of the cutout ~8-9 inches.
  • Page 15 58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens To remove the Solo microwave or Speed microwave oven… 6. Disconnect the feeder wires from the terminal block (see Figure 7): only necessary if a work table is not nearby, and the 1.

  • Page 16: Service And Repair

    2-pane glass pack, porcelain-coated door liner, and the various fasteners. Figure 10 Opening the hinge lever On double ovens, the Bosch logo is located on the upper oven door skin.  NOTICE It may be necessary to use a tool, such as a screwdriver, to gently pry the upper part of the lever away from the housing.

  • Page 17: Replacing Hinges

    Replacing Hinges To reinstall the door… The doors on Bosch 800 series ovens are soft-close, and operate 1. Hold the door firmly in both hands and position the hinges in using one dampen hinge and one spring hinge. The hinges are the hinge receivers, so that the slot in the base of the hinge (A) offered in service kits which include both the RH and LH hinges;...

  • Page 18: Replacing The 2-Pane Glass Pack

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens 11. Test operation of the door by fully opening and closing it 4. Lift the liner away from the rest of the door assembly and set several times.

  • Page 19: Door Latch/Motor Assembly

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens 6. Carefully lift the inner support frame with glass pack and hinges 11. Test operation of the door by fully opening and closing it away from the outer door glass/skin assembly and lay flat on the several times.

  • Page 20: Replacing The Latch/Motor Assembly

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens There is a Door Lock Relay Test available in Service mode. See the 4. Disconnect the wires. Service Mode section for details. 5. Install the new latch/motor assembly, reconnecting the wires and engaging the latch correctly with the latch support bracket.

  • Page 21: Resetting And Replacing The Htc

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens 6.3.1 Resetting and Replacing the HTC 5. Carefully slide the oven out of the cutout to gain access to the front and rear top housing covers. Always troubleshoot a tripped HTC to determine the underlying cause 6.

  • Page 22: Control Panel

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens 6.4.1 Replacing the Front Panel Assembly Control Panel 1. Remove power to the oven. The control panel includes… 2. Protect the top of the oven door to prevent damage to the ...

  • Page 23: Replacing The Display Module

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens 6. Remove the screw in the bottom center of the panel, which 2. Using pliers, gently straighten each metal tab so that they align secures the panel to the carrier directly behind it.

  • Page 24: Replacing The Lamp

    6.6.2 Replacing the Ring Element All 800 series models have a Euro-convection cavity with a fan and It is likely that the wires are too short to service the convection ring ring element on the rear cavity wall. In double ovens, the upper cavity element from the front of the oven.

  • Page 25: Replacing The Convection Fan Motor

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens 4. Carefully slide the oven out of the cutout to gain access to the motor from the rear of the unit. 5. Remove the rear housing panel. 6. Disconnect the wires from the motor terminals.

  • Page 26: Replacing The Broil Element

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens 6.7.1 Replacing the Broil Element 6.8.1 Replacing the Bake Element 1. Remove power to the oven. 2. Remove the screws securing the right and left side trim pieces 2.

  • Page 27: Temperature Sensor

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens communication with other modules, analyzing sensor data, regulating Temperature Sensor line voltage, and managing user interface activities. The PT1000 temperature sensor is in the upper left corner of the cavity, with two screws securing it.

  • Page 28: 6.10.1 Replacing The Control Module Or Daughter Board

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens 6.10.1 Replacing the Control Module or Daughter Board 6.11 Cooling Fan 1. Remove power to the oven. The cooling fan is offered as a service assembly with noise-reducing 2.

  • Page 29: 6.12 Hinge Receivers

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens 4. On double ovens, remove the corner brackets between the upper and lower oven. 1 Cooling fan outer housing 2 Cooling fan Figure 36 Cooling fan and outer housing 7.
  • Page 30 58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens 8. Install the new hinge receiver. 9. Reinstall the oven door and test door operation. 10. Reinstall the side housing cover. 11. Restore power to the unit and test operation.

  • Page 31: Troubleshooting

    58300000202443 ARA EN C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens 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 32 58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens Error Code Description Cause/Notes Suggested Action(s) Enter correct option code in Service mode. Wrong module code E000 Control module and user interface are (E100/E400 internal errors mismatched. No operation is possible.
  • Page 33 58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens Error Code Description Cause/Notes Suggested Action(s) Check for damaged (cut or pinched) wires  or loose connectors. E005: Loss of communication between user Confirm that voltage is getting to the ...
  • Page 34 58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens Error Code Description Cause/Notes Suggested Action(s) Enter Service mode to set correct option  code. TCM board or connections to TCM are bad. Check connection to control module.
  • Page 35 58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens Error Code Description Cause/Notes Suggested Action(s) Temperature in cavity is too high or latch operation not as expected. Door latch does not Check latch motor and switch operation.

  • Page 36: Service Mode

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens Error Code Description Cause/Notes Suggested Action(s) Switch signals lost by latch position switch. Check switch connections.  If a locked or unlocked signal error occurs, all E126 Check wires between connector and control ...

  • Page 37: Setting The Option Code

    6. Press Oven Clear/Off on single ovens or Upper Clear/Off on double ovens to exit Service Mode. Table 9 Service mode menu options for 800 series wall ovens Always confirm that the oven and all components are functioning normally after setting the option code.

  • Page 38: Testing Relays

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens right of the display. (Example: E206: 003 indicates that error To exit the test, it must either be successfully completed or the power must be reset. code 0206 has been logged three times.) 4.

  • Page 39: Fault Trees

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens Fault Trees The Fault Trees on the following pages can be used to guide troubleshooting efforts Page 39 of 43 1901 Main St ▪ Suite 600 ▪ Irvine, CA 92614...
  • Page 40 58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens Page 40 of 43 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 41 58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens Page 41 of 43 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: Wiring Diagrams And Schematics

    58300000202443_ARA_EN_C JANUARY 2018 Service Manual for Bosch 800 Series Built-in Wall Ovens Wiring Diagrams and Schematics The wire color key (Table 11) 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 43: Additional References

    QuickFinder Be prepared to provide the complete Model Number and FD number printed on the rating label of the unit when contacting Bosch For further information, please refer to the following documents on Customer Support or Technical Support for assistance.

This manual is also suitable for:

Hbl8451ucHbl8461ucHbl8642ucHbl8661ucHbl8651ucHbl8742uc ... Show all

Table of Contents