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HMC80252UC (01) Bosch Microwave - Overview

Diagrams for HMC80252UC

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Front Rack Support – Part Number: 00631439
$6.40
In Stock
Front Rack Support
★★★★★
★★★★★
(2)
Part #00631439
This front rack support helps stabilize and securely position a rack within the appliance. Its sturdy design ensures proper alignment and safe support during loading and unloading.
DRIVE COUPLING – Part Number: 00628013
$14.09
In Stock
DRIVE COUPLING
★★★★★
★★★★★
(7)
Part #00628013
This microwave turntable motor coupler connects the motor to the glass tray, ensuring smooth and even rotation for consistent cooking results. Designed for durability and precision, it replaces worn or damaged couplers that can cause the tray to wobble or stop turning. This part is essential for maintaining proper microwave performance and even heating. Installation is quick and straightforward, requiring only basic tools.
Rear Rack Support – Part Number: 00631440
$6.40
In Stock
Microwave Switch – Part Number: 00631512
$13.43
In Stock
Microwave Switch
Part #00631512
This microwave microswitch functions as a door interlock safety component, preventing the appliance from operating when the door is open. It ensures safe and efficient performance by interrupting power to the microwave when the door is not securely closed. Built for durability, this part is essential for maintaining proper safety standards. If your microwave fails to start or operates incorrectly, a faulty door switch may be the cause. Installation requires disconnecting the appliance from power before replacing the switch.
MICROSWITCH – Part Number: 00614767
$28.15
In Stock
MICROSWITCH
Part #00614767
This microswitch, also known as a safety switch, is a genuine OEM replacement part for use in microwaves. It is a highly sensitive switch which responds to slight changes in pressure or position, and ensures that the microwave only operates when the door is shut. The switch can fail due to physical damage or electrical failure, resulting in difficulties closing the door, and turning on the appliance. To remove the faulty switch, disconnect the wiring connectors and take note of where they are positioned. Place the new switch in position and reattach the wiring connectors to the appropriate terminals and close the microwave door to check that the switch engages appropriately.
Microwave Fuse – Part Number: 00631510
$6.41
In Stock
Microwave Fuse
Part #00631510
This microwave line fuse is a genuine replacement part designed to protect your appliance from power surges and overheating. It helps restore power when a blown fuse prevents the microwave from turning on and is built to meet the original safety and performance standards. This small metal fuse is easy to replace and is commonly used when a microwave suddenly stops working. Be sure to check your model number to ensure it’s the correct fit for your unit.
Cooking Tray - Black – Part Number: 00795449
$120.61
In Stock
Cooking Tray - Black
★★★★★
★★★★★
(5)
Part #00795449
This microwave turntable tray is a genuine replacement part designed to ensure consistent and even heating during cooking cycles. Made of durable black metal, it rotates smoothly on built-in rollers and sits securely on the coupler inside the microwave cavity. Its rotation helps distribute heat evenly across food surfaces, improving cooking performance. Compatible with select Bosch, Thermador, and Gaggenau microwave models, this OEM tray replaces previous versions and is engineered for a precise fit. For proper installation, refer to the microwave’s owner’s manual to ensure correct placement and alignment with the coupler and roller system.
COVER – Part Number: 00617090
$7.20
In Stock
COVER
★★★★★
★★★★★
(3)
Part #00617090
This waveguide cover protects the interior of the microwave by shielding key components from food splatter and moisture. Made from durable mica material, it helps prevent sparking and keeps the appliance operating safely and efficiently. Designed to match the original fit on select models, it replaces a worn or damaged cover and installs easily once the microwave is disconnected from power.
SUPPORT – Part Number: 00648813
$8.97
In Stock
SUPPORT
★★★★★
★★★★★
(1)
Part #00648813
This support is a replacement structural component designed to hold or stabilize internal assemblies during operation. It helps maintain alignment and durability and is commonly replaced when bent, cracked, or no longer providing adequate support.
SUPPORT – Part Number: 00648812
$8.97
In Stock
SUPPORT
Part #00648812
The left door interlock support keeps the microwave’s door switch properly aligned so the appliance can detect when the door is fully closed and operate safely. If the switch becomes loose or misaligned, the microwave may fail to start or stop unexpectedly. This sturdy bracket is designed for select models and provides a reliable replacement when the original support is damaged or worn, restoring safe and consistent door-switch operation.
REGULATOR-TEMPERATURE – Part Number: 00631508
$7.68
In Stock
FUSE – Part Number: 00631509
$15.36
In Stock
FUSE
Part #00631509

Questions And Answers for HMC80252UC

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A.J. - For model number HMC80252UC
December 17, 2019
How do i turn off demo mode on HMC80252UC (01) Bosch Microwave
Chris Boyle Profile
Hello, A.J.and thanks for writing. 1. Press SETTINGS 12 times. "Demo Mode" and "ON. Press (1) to OFF" will appear in the display text area. 2. Press the "1" keypad to change the Demonstration Mode setting to Off. 3. "OFF Selected" will scroll in the text area. Demo Mode has been turned Off. We hope this helps. Please contact us anytime.
1 person found this instruction helpful.
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Yarek - For model number HMC80252UC
January 22, 2020
The part number is ps10060776 based on your website recommendation. I'm just wondering if it's easy to replace the old fuse with the new one? Hopefully there is easy access to the fuse once i pull it out.
Chris Boyle Profile
Thank you for your question.  NOTE:  If you are not comfortable doing this yourself, please get an electrician to do this repair.  Before you begin any repair please unplug the appliance from the electrical outlet.  Use a Phillips head screw driver to unthread the screws securing the grill.  With the screws removed, open the microwave oven door then the slide the grill to the left and lift it up to remove.  Next remove the control panel mounting screw then lift the control panel up to detach.  Then remove the screw holding the inner access panel and then release the panel from the retaining clips.  To avoid injury, you will need to release the potentially dangerous charge from the capacitor by placing a screw driver with an insulated handle across the terminals.  Be careful not to touch the metal portion of the tool. Use pliers to detach the old fuse from the noise filter board.  Install the new fuse by snapping it into the bracket.  Replace the inner access panel and secure it with the screws.  Now insert the control panel tabs to the slots in the frame and push the panel down.  Secure it with the mounting screw.  Insert the tabs of the grill into the frame and slide it to the right.  Shut the oven door and then secure the grill with the screws.  Plug the power cord back in and the microwave should now work.  I hope this helps.  Thank you and have a great day!
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Steve - For model number HMC80252UC
January 12, 2024
Upon when first purchased the control panel was always dim when hooked up , approximately 1 yr later the unit had a burning smell and shut down. I removed the unit and noticed the cooling motor transformer burnt. I replaced the cooling motor and the 2 fuses where the power goes in. Hooked unit back up with the control panel not lighting up. When it originally shut down and quit the breaker never popped. Any suggestions? Control panel needs replacing, Thx
Chris Boyle Profile
Hi Steve, thank you for contacting us. Based on the description you have provided, we would recommend checking the control unit, part number PS12071902. It manages various microwave functions such as heating, lighting and turntable operation. You may need to replace it to fix the issue. We hope this sorts out your problem!
$372.34
In Stock
CONTROL UNIT
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Malkit - For model number HMC80252UC
March 3, 2025
Door spring for close
Chris Boyle Profile
Hello Malkit, Thank you for the question. The Door Spring is only sold as part of the Hinge and Door Assembly, PartSelect #: PS11724832. The Hinge and Spring are not sold separate from the Door. Thank you for the inquiry!
$584.61
In Stock
DOOR
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Shawn - For model number HMC80252UC
March 19, 2025
I HAVE THIS COMBO UNIT MICROWAVE AND OVEN ON TOP AND OVEN AT THE BOTTOM. THE TOP UNIT , THERE IS NO POWER TO IT. WHAT WOULD BE THE COMMON PART THAT NEED TO BE REPLACED?
Chris Boyle Profile
Hello Shawn, thank you for your question. First check to see if the fuse PS10060777 has blown. Next, test the door switches PS10060778, PS8727790. We hope this helps.
$28.15
In Stock
MICROSWITCH
$6.41
In Stock
Microwave Fuse
$13.43
In Stock
Microwave Switch
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Common Symptoms of the HMC80252UC

How this model fails, and the parts that fix it.

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Microwave was sparking
12 of 16 people found this instruction helpful.
  • Nancy from ST AUGUSTINE, FL
  • Very Easy
  • Less than 15 mins
  • Screw drivers
Replaced the wave cover. Unscrewed existing cover that is at the top inside the microwave. Screwed in the new cover.
Took about 30 seconds to do. Bosch service wanted over $100 for a service call plus parts and labor. Did it myself in seconds for under $10.
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Fuse blows on powering up, one door secondary switch was short
7 of 10 people found this instruction helpful.
  • Baljinder from LONG GROVE, IL
  • Really Easy
  • 30 - 60 mins
  • Nutdriver, Pliers
Replaced switch abdcsupports
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Microwave would run for 30 seconds and shut off
5 of 5 people found this instruction helpful.
  • Scot from FRUITA, CO
  • Easy
  • 30 - 60 mins
  • Screw drivers
Thermal switch on top of Magnetron was defective, spade contacts were burned and loose. New switch $6 +shipping. Removed top cover held on with several Philips head screws. Plugged unit in and gave it 30 seconds to test the fan was working, it was. Put 500ml water in cavity, ran it for 60 seconds, which after fiddling with wires it did, and got over 20C temp rise so magnetron was working (detailed instructions online). Switch is right on top of magnetron. Tried to remove spade lugs but lugs pulled out of switch so I cut the lugs off and removed the broken switch. Screwed down new switch using old hardware. Trimmed wires back and cleaned them. Used crimping tool to put on new spade lugs from car parts store. put heat shrink over lugs and wires to strain relief and buttoned the unit up. Microwave works fine and oven baked a cake so good repair.
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