Hmv5052u-02 Parts

The Microwave Switch is an OEM part for Bosch microwaves. It functions as a safety device that ensures the microwave operates only when the door is securely closed.

You should replace this microwave switch if it becomes faulty due to wear and tear, or if it's damaged from electrical issues or physical impact. A malfunctioning switch can prevent the microwave from starting, cause it to stop unexpectedly, or lead to safety hazards by allowing the microwave to run with the door open.

Symptoms of a bad microwave switch include:

• Microwave not starting
• Intermittent operation or shutting off unexpectedly
• Microwave running with the door open
• Error codes related to door or safety switches

This OEM Bosch part is also compatible with Thermador, Gaggenau, and some Kenmore models.

The Switch is an OEM part for Bosch microwaves. It plays a role in the safety and functionality of the microwave, acting as a security mechanism that prevents the microwave from operating when the door is open. This ensures that microwave radiation is contained and only in use when the door is securely closed, protecting users from accidental exposure.

Causes of a malfunctioning door switch can range from physical damage, such as cracks or wear from repeated use, to electrical issues like short circuits or disconnections.  

Symptoms of a bad Microwave Door Switch include:

• The microwave fails to start or stops unexpectedly.
• The interior light fails to turn on or off appropriately.
• Unusual sounds when the door is opened or closed.
• The microwave operates only when the door is in a certain position or not at all.

This OEM Bosch part is also compatible with Thermador, Gaggenau, and some Kenmore models.

The Lock is an OEM part for Bosch microwaves. This part ensures the microwave door closes securely. This lock mechanism plays a vital role in microwave safety, preventing the appliance from operating if the door is not properly closed. 

Causes of a bad Microwave Door Lock can range from normal wear and tear, which gradually degrades the lock's integrity, to accidental damage or misalignment from rough handling. 

Symptoms of a malfunctioning Microwave Door Lock include:

• The microwave refusing to start or stopping unexpectedly, indicating the door isn't securely latched.
• A loose feeling or visible damage to the door lock, suggesting it cannot engage properly.
• Warning signals or error messages displayed by the microwave, pointing to a door closure issue.

This genuine OEM Bosch part is also compatible with Thermador, Gaggenau and select Kenmore models.

This replacement fuse safeguards your appliance's electrical circuit. It opens when a short or overload occurs, helping protect the control and wiring; replace only after correcting the root cause of the blown fuse.

• Opens the circuit during overcurrent or short conditions to protect components
• A blown/open fuse can leave the appliance dead or controls unresponsive
• Common signs include no power, shuts off mid-cycle, or fuse tests open for continuity
• Repeated fuse failures usually indicate an underlying shorted component or damaged wiring

• Disconnect power at the breaker and verify no voltage before servicing
• Replace like-for-like per the service information; do not bypass or upsize the fuse rating
• Test the old fuse with a multimeter and address any shorts or damaged wiring before restoring power
• Handle carefully to avoid stressing fuse clips/holder

The Turntable, Tray is an OEM component specifically designed for Bosch built-in and over-the-range microwaves. Comprised of a durable glass plate and integrated motor, it facilitates even heat distribution essential for quick, consistent cooking. The turntable provides users control over customized cooking abilities.

Causes of damage can include cracks developing from years of extreme temperature changes. Deterioration of motor couplings from prolonged use may also diminish rotation essential for microwave performance. 

Symptoms of a bad turntable tray include: 

• Vibrating or grinding tray unable to smoothly revolve
• "Lopsided" heating leading to cold or hot spots in food 
• Cracked or loose turntable trays potentially present safety concerns
• Malfunctions requiring replacement rather than a simple fix

Replacing with this genuine Bosch turntable restores the intended function. Compatible with some Blomberg, Miele, and Thermador microwave models, optimized operation maintains ease and convenience for home-cooked nutrition with OEM reliability.
 

The Diode is an OEM part for Bosch microwaves. This small electronic component regulates electricity flow to heating components.

Causes of failure may relate to stresses from continuous power pulsing. Microwave emissions fluctuate temperatures inside rapidly over time stressing connections.

Symptoms of a bad diode include:

• Inconsistent or incomplete cooking from uneven power distribution
• Failure to properly distribute full heating wattage for expected results
• Error code displays or failure to start due to electrical faults in related boards

This genuine OEM Bosch part is also compatible with Thermador, Gaggenau and select Kenmore models.

This grease filter traps airborne grease and cooking particles before they reach the ventilation blower and ductwork, helping maintain airflow and keep kitchen surfaces cleaner. Replace a saturated or damaged filter to restore effective venting.

• Captures grease and particulates from cooking vapors to protect the fan and internal components
• Helps maintain proper airflow and reduce lingering smoke or odors
• A clogged or damaged filter can cause weak venting, increased fan noise, visible grease buildup, or a filter-clean reminder to stay on
• Replace when mesh is torn, frame is bent, or the filter no longer stays secured

• Disconnect power to the ventilation unit before servicing
• Allow the hood to cool; support the filter while releasing the latch or tabs
• Note orientation; insert the new filter and latch securely
• Reset the filter reminder per the user manual after replacement

Keep your dishwasher running clean and quiet. This micro filter sits in the sump at the bottom of the tub, trapping food particles to help protect the pump, keep wash water cleaner, and reduce residue on dishes.

• Strains debris from recirculating water to maintain wash performance
• Helps prevent blockages and pump/impeller damage
• Supports proper spray pressure and drainage
• Typical replacement clues: torn mesh, cracked frame, filter won't lock, persistent grit/odor on dishes even after cleaning

• Disconnect power before servicing; remove the lower rack for access
• Unlock and lift out the existing filter per your model's design; clear any debris from the sump area
• Seat the new filter fully and lock it in place; ensure it sits flush and secure
• Do not operate the dishwasher without the filter installed

This replacement lamp restores proper lighting in your appliance, making it easier to see contents and monitor cycles. Install it when the original bulb burns out or flickers to bring clear, reliable illumination back.

• Provides illumination when the appliance's light circuit or door switch activates
• Common symptoms: no light, intermittent or flickering light, or a visibly failed bulb
• Heat, age, vibration, or moisture can cause the lamp to fail
• A new lamp typically resolves lighting issues if the socket and switch are sound

• Disconnect power at the breaker or unplug before servicing
• Allow the area to cool fully before opening the light cover
• Handle the glass with clean gloves or a cloth to avoid skin oils
• Install the exact replacement specified for your model; do not exceed the manufacturer's rating

This drive coupling links the motor to the driven component, transferring power while absorbing shock. Replacing a worn or cracked coupler restores dependable power transfer and helps protect adjacent drivetrain parts from additional damage.

• Transfers motor torque to the driven part of the mechanism
• Cushions start/stop shock to help reduce vibration and wear
• Replace when the coupler is cracked, stripped, melted, or rounded
• Symptoms include motor running but no movement, intermittent or slipping drive, grinding/clicking noises near the drive, or plastic/rubber debris

• Disconnect power before servicing; shut off water supply if applicable
• Access and replacement steps vary by model
• Inspect mating shafts/gears and the driven component for binding or wear; correct issues before installing the new coupler
• Align splines/flats and seat fully; do not force or hammer unless specified by the manufacturer

The Hook is an OEM part for Bosch microwave doors. Manufactured from heat resistant composite materials, it firmly holds the door closed during cooking cycles.  

Causes of a faulty latch/hook include failures of being worn down from repetitive opening/closing motions over time. Exposure to high heat or abrasive cleaners also leads to decreased functionality.

Symptoms of a damaged latch/hook involve:

• Doors not sealing fully or locking properly
• Failure to open after cooking
• Degrading latch fittings allowing moisture or debris entry

This genuine OEM Bosch part is also compatible with Thermador, Gaggenau and select Kenmore models.

This turntable support ring sits beneath the microwave glass tray and lets it rotate smoothly for more even heating. Replace a worn or warped ring to restore consistent tray movement and reduce scraping, binding, or wobble during operation. What it does:

• Supports the glass turntable so the drive system can rotate it smoothly
• Helps maintain steady rotation for more consistent cooking results
• Replace if the tray stalls or binds, wobbles, or makes scraping/grinding noises while turning
• Wear or deformation can cause intermittent or noisy rotation

• 1 turntable support ring

• Disconnect power to the microwave before servicing
• Remove the glass tray; lift out the old ring and clean the track on the cavity floor
• Set the new ring flat in the track and reinstall the tray on the drive coupler
• Test rotation with a microwave-safe cup of water; never open the cabinet—microwaves contain high voltage

This light socket holds the appliance bulb and provides a secure electrical connection, restoring reliable interior lighting. Replace a cracked, heat-damaged, or loose socket to fix lights that don't come on even with a good bulb.

• Provides the electrical contacts and mechanical support for the light bulb
• Helps resolve no-light or intermittent flicker when the bulb and switch are OK
• Common failure signs: discoloration, melting, burn marks, or loose/broken contacts
• Restores dependable illumination in the designated lighting location

• Disconnect power at the breaker and allow the appliance to cool before servicing
• Wear cut-resistant gloves and eye protection; handle bulbs by the base, not the glass
• Note wire positions and transfer connectors one at a time to the new socket
• Seat the bulb fully and test operation before reinstalling any covers or panels

The Temperature Regulator is an OEM replacement part for Bosch microwaves. It plays a crucial role as an electronic interface governing set temperatures and interior heating levels. Consistent and calibrated regulation is necessary for safe and evenly cooked meals. 

Causes of a bad temperature regulator can include normal wear from continual heating cycles. Water damage from condensation or spills has the potential to impact electrical components.

Symptoms of a bad temperature regulator include:

• Inaccurate or fluctuating interior heat, causing cold or hot spots 
• Temperature settings that do not correspond to actual conditions
• Failure to properly increase or decrease power as programmed
• Sensor malfunctions requiring foods to be under or overcooked 

This OEM Bosch part is also compatible with Thermador, Gaggenau, and some Kenmore models. Replacing it ensures continued precise temperature control and safe, reliable microwave operation.

Replacement electrical fuse that protects the appliance's control circuits from overloads and short circuits. Installing a correct replacement fuse restores circuit protection and can allow the appliance to power up normally after a blown fuse. What it does:

• Protects control and power circuits by opening when excess current or a short occurs.
• Common symptom: appliance is completely dead or the control panel is unresponsive.
• Also used when intermittent power or repeated tripping indicates a failed circuit protector.
• Keeps a failed circuit isolated to help prevent further damage to the control board or wiring.

• Always disconnect power at the breaker or unplug the appliance before inspecting or replacing the fuse.
• Verify the part number and electrical rating on the old fuse matches the replacement; replace only with an identical-rated fuse.
• Test the old fuse for continuity with a multimeter to confirm failure before replacing.

This high-voltage capacitor stores and releases energy in the microwave's high-voltage circuit that powers the magnetron. Replacing a failed capacitor can help restore heating performance and reduce humming or breaker trips caused by HV faults. What it does:

• Works with the high-voltage transformer and diode to supply the voltage the magnetron needs for heating
• A weak or shorted capacitor may cause the microwave to run but not heat
• May lead to loud humming/buzzing, a blown internal fuse, or tripped circuit breaker
• Bulging, leaking, or burn marks on the capacitor indicate it should be replaced

• Includes 1 high-voltage capacitor

• Disconnect power by unplugging the unit or switching off the dedicated breaker before service
• High-voltage capacitors can retain a dangerous charge even when unplugged; discharge properly and follow safety procedures
• Document wire routing and terminal orientation before removal; transfer any brackets or clips from the original part
• After installation, ensure no voltage remains on the terminals before reassembly and testing