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Bosch 500 Series Service Manual

Built-in wall ovens
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S
M
ERVICE
ANUAL
for
500 Series
Built-in Wall Ovens
HBL5351UC HBN5451UC
HBL5451UC HBN5651UC
HBL5551UC
HBL5651UC
HBL57M52UCC*
This manual contains information that is necessary for
servicing the following Bosch electric built-in wall ovens:
HBL5351UC, HBL5451UC, HBL5551UC, HBL5651UC,
HBL57M52UCC*
HBN5451UC, HBN5651UC
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.
*
HBL57M52UCC is the traditional wall oven component of the
HBL57M52UC combination oven (set), which also includes the
HMB50152UC Solo microwave oven.

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Summary of Contents for Bosch 500 Series

  • Page 1 ERVICE ANUAL 500 Series This manual contains information that is necessary for servicing the following Bosch electric built-in wall ovens: Built-in Wall Ovens HBL5351UC, HBL5451UC, HBL5551UC, HBL5651UC, HBL57M52UCC* HBN5451UC, HBN5651UC This manual is designed to be used by qualified service personnel only.

  • Page 2: Table Of Contents

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens TABLE OF CONTENTS Cavity Lights ................. 20 Symbols Used in this Manual............. 3 6.5.1 Replacing the Lamp ............20 IMPORTANT SAFETY INFORMATION ........4 Convection Fan, Ring Element and Motor......

  • Page 3: Symbols Used In This Manual

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 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

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens IMPORTANT SAFETY INFORMATION WARNING Before starting to service an appliance, familiarize yourself with all safety information and precautions included in this manual. 2.1 Safety Before Servicing the Appliance Electrical hazards…...
  • Page 5 58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 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 500 Series Built-in Wall Ovens GENERAL 3.2 Models The model number structure appears below. The 500 Series includes five HBL5x (30") and two HBN5x (27") built- in wall ovens. Models have thermal oven cavities and/or Euro- OLOR ARIANT...

  • Page 7: Combination Ovens (Sets)

     NOTICE model SKU. For example, the 500 series combination is sold as HBL57M52UC, but the service documentation can be found in QuickFinder, linked to its components: HBL57M52UCC (traditional Be prepared to provide the complete Model Number and FD number wall oven) and HMB50152UC (microwave).

  • Page 8: Warranty

    OPERATION fan, if applicable) will be paused. When the door is closed, cycling will continue. This section includes basic information about how the 500 Series wall ovens operate. 4.2.1 Elements Used by Cooking Mode 4.1 Allowable Operating Range by Cooking Mode The table below reflects the elements which are used for each cooking mode.

  • Page 9: Element Duty Cycles

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens Cooking Mode Elements Used Description Upper and lower elements cycle to Broil, Bake maintain oven temperature; more Self-clean intense heat from the upper element is used than the lower.

  • Page 10: Setting Temperature Offsets

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 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.

  • Page 11: Self-Clean

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens cavity temperature of 300° when the cooking temperature is set to temperature never exceeded 491°F (255°C) during operation, the fan 325°. would not have run at all.

  • Page 12: Serviceable From Top

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens  Convection fan motor  Convection ring element *  Broil element *  Bake element  Cooling fan  Cavity lamp receptacle(s) If the broil or convection ring element wires are too short to service from the front, access to the rear of the oven will be required.

  • Page 13: Service And Repair

    It may be necessary to use a tool, such as a screwdriver, to gently On double ovens, the Bosch logo is located on the upper oven door pry the upper part of the lever away from the housing. Take care to skin.

  • Page 14: Replacing Hinges

    6. Close and open door to check operation. 6.1.2 Replacing Hinges The doors on Bosch 500 series ovens operate using two spring Figure 10 Removing inner support frame assembly hinges. Hinges are offered in service kits which include both the RH and LH hinges;...

  • Page 15: Replacing The 2-Pane Glass Pack

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens 7. Lift the two pieces of insulation off the inner support frame assembly and set aside. 8. Remove the screws on the lower right and lower left which secure the hinges to the inner support frame.

  • Page 16: Door Latch/Motor Assembly

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens If the latch becomes stuck in the locked position, turning the unit off and back on will open the latch if the cavity temperature <491°F. If...

  • Page 17: Oven High Temperature Cutout (Htc)

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens 3. Hold the latch hook and slide the latch assembly back and a little to the left to disengage it from the small support bracket that sits directly behind it, then pull the latch forward.

  • Page 18: Control Panel

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens  Front panel assembly: stainless steel skin, white LED touch 2. First remove the latch plate and remove or slide the latch/motor assembly aside as described in the Replacing the panel assembly, and touch control module (TCM) ...

  • Page 19: Replacing The Front Panel Assembly

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens 6.4.1 Replacing the Front Panel Assembly 7. Remove the screw in the bottom center of the panel, which secures the panel to the carrier directly behind it.

  • Page 20: Replacing The Rotary Switches

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens 1. Remove the front panel as described in Replacing the Front On double ovens, lights are either on or off in both cavities; it is not Panel Service Assembly section.

  • Page 21: Convection Fan, Ring Element And Motor

    6. Reassemble the convection fan and replace the baffle. 6.6 Convection Fan, Ring Element and Motor 7. Restore power and test operation. All 500 series models except the HBL5351UC and HBL5551UC have 6.6.2 Replacing the Convection Element a Euro-convection cavity with a fan and ring element on the rear cavity wall.

  • Page 22: Replacing The Convection Fan Motor

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens 6. Carefully slide the oven out of the cutout to gain access to the 11. Restore power and test operation. ring element terminals from the rear of the unit.

  • Page 23: Bake Element

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens 6.8 Bake Element 6.9 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 24: Combination Oven

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens To remove the microwave oven…  NOTICE 1. Remove power to the oven. 2. Remove the screws securing the right and left side trim pieces to the cabinetry.

  • Page 25: Cooling Fan

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens 14. Remove the top front housing cover. To test the upper fan at the control module, check voltage across 15. Disconnect the harnesses, labeling them as necessary.

  • Page 26: Hinge Receivers

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens 7. Remove the screw securing the fan to the plenum. 5. Remove the side panel(s). 8. Disconnect the wires and remove the fan. 6. From the front of the oven, remove the two screws securing 9.

  • Page 27: Troubleshooting

    58300000202181 ARA EN B January 2017 Service Manual for Bosch 500 Series Built-in Wall Ovens TROUBLESHOOTING The information in this section will be helpful when troubleshooting, diagnosing, and resolving faults and other issues affec ting the normal operation of the oven.
  • Page 28 58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens Error Code Description Cause/Notes Suggested Action(s) ROM-check performed at reset fails. All  E009: Replace user interface E009 heating elements disabled. Error will be ROM-check error in user interface ...
  • Page 29 58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens Error Code Description Cause/Notes Suggested Action(s) Rotary encoder switch short to A short to Vcc is detected in an encoder switch  E050 for more than 10 seconds.
  • Page 30 58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens Error Code Description Cause/Notes Suggested Action(s) “Hot” wire shorted to ground. Connection to  Check wires and connections; connector the probe changes from connected-to- disconnected multiple times.

  • Page 31: Service Mode

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens 7.2 Service Mode Menu Item Description Settings Pr: Program Revision Current revision of CM software Service mode provides access to Option Code settings, error...

  • Page 32: Setting The Option Code

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens Menu Item Description Settings Menu Item Description Settings Pr: Program Revision Current revision of CM software Pr: Program Revision Current revision of CM software...

  • Page 33: Displaying Error Memory

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens 7.2.5 Testing Relays Model(s) Option Code Refer to the tables in the Accessing Service Mode section for a list of 1053 HBL5351UC relay test menu codes.

  • Page 34: Fault Trees

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens 7.3 Fault Trees The Fault Trees on the following pages can be used to guide troubleshooting efforts. Page 34 of 41 1901 Main St ▪ Suite 600 ▪ Irvine, CA 92614...
  • Page 35 58300000202181 ARA EN B January 2017 Service Manual for Bosch 500 Series Built-in Wall Ovens Page 35 of 41 1901 Main St ▪ Suite 600 ▪ Irvine, CA 92614 Copyright by BSH Home Appliances Corporation 800 944-2904 This material is intended f or the sole use of BSH authorized persons and may contain conf idential and proprietary inf ormation. Any unauthorized rev iew, use, copy ing, disclosure, or distribution in any f ormat is prohibited.
  • Page 36 58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens Page 36 of 41 1901 Main St ▪ Suite 600 ▪ Irvine, CA 92614 Copyright by BSH Home Appliances Corporation 800 944-2904 This material is intended f or the sole use of BSH authorized persons and may contain conf idential and proprietary inf ormation. Any unauthorized rev iew, use, copy ing, disclosure, or distribution in any f ormat is prohibited.
  • Page 37 58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens Page 37 of 41 1901 Main St ▪ Suite 600 ▪ Irvine, CA 92614 Copyright by BSH Home Appliances Corporation 800 944-2904 This material is intended f or the sole use of BSH authorized persons and may contain conf idential and proprietary inf ormation. Any unauthorized rev iew, use, copy ing, disclosure, or distribution in any f ormat is prohibited.

  • Page 38: Diagnostics

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens 7.4 Diagnostics 7.4.1 Rotary Encoders Rotary encoders are 6-position, 12-position, and 24-position depending on model series and function (cook mode or temperature selection). ...

  • Page 39: Wiring Diagrams And Schematics

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens 7.5 Wiring Diagrams and Schematics The wire color key (Table 13) 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 40: Additional References

    58300000202181 ARA EN B Novemb er 2018 Service Manual for Bosch 500 Series Built-in Wall Ovens ADDITIONAL REFERENCES 8.1 QuickFinder For additional service information, please refer to the following documents on QuickFinder:  Wiring Diagram (Built-in Combination Ovens Installation Manual) ...

  • Page 41: Technical Support

     NOTICE Be prepared to provide the complete Model Number and FD number printed on the data tag of the unit when contacting Bosch Customer Support or Technical Support for assistance. Page 41 of 41 1901 Main St ▪ Suite 600 ▪ Irvine, CA 92614...

This manual is also suitable for:

Hbl57m52ucc seriesHbl5351ucHbn5451ucHbl5451ucHbn5651ucHbl5551uc ... Show all

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