Parts for Ge JEM25DM2BB: 01 - Microwave Parts

This 250V 15A safety fuse protects the appliance's line circuit from overcurrent. When the original fuse has blown, replacing it can restore power and help safeguard internal components from further damage.

• Opens the circuit if excessive current or a short occurs, protecting internal parts
• Common symptom: unit completely dead—no display, lights, or response to controls
• Blown fuse will test open (no continuity) with a multimeter
• If a new fuse blows again, another component may be shorted and needs diagnosis

• Unplug the appliance before servicing; microwaves can retain a dangerous charge—discharge the high-voltage capacitor
• Access the fuse near the line filter/control area; note clip orientation
• Replace only with the same 250V 15A rating; never bypass or upsize the fuse
• If the replacement fuse blows immediately, stop and troubleshoot the root cause

The Transformer is an OEM component specifically designed for GE microwaves. It acts as the essential electrical converter that receives normal household current and steps it up into the precisely controlled high voltage needed to power the magnetron tube. During use, the transformer transmits regulated H.V. output to ignite the magnetron and generate safe microwave energy for cooking.

Causes of a bad transformer include wear from long-term heat cycling strains and potential pinhole leaks developing over many years of service. 

Symptoms of a bad transformer include:

• Magnetron failing to ignite or running intermittently
• Portions of foods not heating thoroughly on lower power levels  
• Electrical buzzing or burning smells detected
• Microwave slowly losing full power ability over time

This OEM GE replacement is compatible with Hotpoint, RCA and select Kenmore microwave models as well.

This turntable motor rotates the microwave's glass tray during cooking. Replacing a worn or seized motor restores smooth, consistent tray movement to help ensure even heating and reliable performance.

• Drives the turntable shaft/coupler to rotate the glass tray during cook cycles
• Helps promote more even cooking and defrosting
• Common symptoms of failure: tray doesn't turn, intermittent or jerky rotation, loud humming/grinding from beneath the cavity

• Disconnect power before servicing; microwaves contain high-voltage components—use caution
• Access is typically from the bottom of the unit; remove the tray and coupler, then the motor's mounting screws, and transfer the wire connections
• Align the motor shaft with the coupler and ensure the tray spins freely before reassembly
• Test with a microwave-safe cup of water to ensure smooth rotation

Replacement thermostat that senses and controls the appliance heating system to restore accurate heating and stable temperature cycles, helping the appliance reach and maintain the set temperature. What it does:

• Senses temperature and signals the heating element or valve to turn on/off to maintain set temperature.
• Commonly linked to symptoms such as failure to reach set temperature, temperature fluctuating or cycling erratically, or continuous heating.
• Works as the temperature-regulation component in the appliance's control pathway to stabilize performance.
• Matches the OEM function for temperature control; use when thermostat diagnostics indicate a failed or inaccurate sensor.

• Disconnect power to the appliance before attempting removal or installation to avoid shock or ignition hazards.
• Handle the sensing element and terminals carefully to avoid damage; ensure secure electrical connections and proper routing of any capillary or sensor lead.
• After installation, test the appliance through a full heat cycle to confirm correct operation.

This mounting bracket secures components inside the appliance frame to keep assemblies aligned and stable during normal operation. It's a simple, durable replacement that restores proper support where the original bracket is bent, cracked, or missing. What it does:

• Provides a stable anchor point for panels, modules, or assemblies
• Keeps connected parts aligned to prevent vibration and noise
• Restores proper fit where a damaged or missing bracket causes looseness
• Helps maintain safe operation by holding components in their correct position

• One mounting bracket

• Install with the OEM fasteners shown in the appliance parts diagram; only use replacement hardware specified for your model
• Power off and disconnect the appliance before accessing internal components
• Handle sharp sheet-metal edges with care and wear gloves
• If other mounting hardware or damaged components are found, inspect surrounding parts and replace as needed

The Monitor Switch is an OEM replacement part for GE microwave ovens. Located internally on the turntable control circuit board, this switch monitors rotation of the turntable during cooking cycles.  

Causes of failure involve degradation of the electrical contacts from continuous arcing loads over years of use combined with vibration stresses.

Symptoms of a faulty monitor switch include:

• The turntable no longer rotates or spinning intermittently
• Cooking cycles aborting prematurely with error messages 
• Screeching or grinding noises emanating from beneath cavity
• Visible burnt spots on turntable drive assembly

This genuine GE switch is also compatible with select Hotpoint and RCA models.

The Microwave Door Switch is an OEM part for GE microwaves, designed to prevent the microwave from operating when the door is open by interrupting the power whenever the door is not securely closed. The door switch is an essential safety feature.

Symptoms of a failing Microwave Door Switch include:

• The microwave not starting or heating
• Running when the door is opened
• Unusual noises when the door is closed  

Causes of a bad Microwave Door Switch can result from repeated opening and closing of the door or slamming that can cause the switch to degrade or become misaligned, leading to intermittent or failure.

This OEM GE part can also be used on Hotpoint, RCA, and Kenmore/Sears appliances. 

The Capacitor is an OEM part for GE microwaves. This component stores and releases electrical energy to help power the microwave's high-voltage circuits, essential for the proper functioning of the appliance.

Over time, capacitors can fail due to electrical surges, overheating, or degradation of the internal components. When a capacitor goes bad, it can affect the microwave's ability to generate heat and operate efficiently.

Symptoms of a bad Capacitor include:

• The microwave not heating food
• Unusual humming or buzzing noises
• The microwave shutting down or not starting

This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.

This Bracket HVC is the OEM mounting bracket that secures the HVC assembly in place, keeping related components aligned and reducing vibration or movement for reliable operation. What it does

• Secures the HVC assembly or housing to the appliance frame to prevent shifting or loosening
• Helps maintain proper alignment of adjacent components for consistent performance
• Reduces vibration and rattling that can occur when a bracket is missing or damaged
• Commonly replaced when the HVC housing is loose, noisy, or does not sit flush

• One Bracket HVC mounting bracket

• Disconnect power to the appliance before beginning any work to avoid electrical shock
• Basic hand tools are typically required; handle metal edges carefully to avoid cuts
• Inspect mounting screws or clips and replace if worn to ensure a secure fit

The High Voltage Diode is an OEM part for GE microwaves. This high-voltage diode is crucial for converting alternating current (AC) to direct current (DC), enabling the magnetron to generate the microwave energy needed for cooking. Measuring approximately 3-1/2" in length, this diode features a banded side with a #8 ring terminal and a non-banded side with a 1/4" female quick connect.

You should replace the diode-H.V assembly if it becomes faulty due to electrical issues, wear and tear, or physical damage. Continuous exposure to high voltage can cause the diode to deteriorate over time, leading to malfunction.

Symptoms of a bad diode-H.V assembly include:

• The microwave not heating food
• A burning smell or unusual noises during operation
• The microwave shutting off unexpectedly
• Visible damage or burn marks on the diode

This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.

Color: brown. Measures about 8 inches in diameter.

Turntable glass tray. Color: clear. Size. 11-1/2 inches diameter.

This coupler is a direct-drive coupling that connects the appliance motor to the driven shaft, restoring power transfer so the appliance can operate normally. It's a small replacement part that fixes common drive-related faults. What it does:

• Transfers motor torque to the driven component so the appliance can run
• Stops slipping or loss of drive when the original coupler is worn or broken
• Can reduce grinding, clunking, or intermittent movement caused by a failed coupling
• Helps restore normal operation without replacing the motor or driven assembly

• One coupler

• Disconnect power before attempting any service to avoid electric shock
• Inspect surrounding components (shafts, fasteners, seals) for wear before reinstalling
• Use basic hand tools; keep small parts and fasteners secure during reassembly

A replacement air duct cover that protects and directs internal airflow to maintain proper ventilation and component cooling. Restores sealed airflow paths and prevents debris from entering the appliance housing. What it does:

• Covers and protects the appliance air duct or vent opening to keep dust and debris out
• Directs airflow to help internal components run at proper temperatures
• Stops air leakage caused by cracked or missing covers
• Reduces rattling or vibration from a loose or broken cover

• One air duct cover

• Disconnect power to the appliance before beginning any service
• Remove outer panels or access covers to reach the air duct area
• Fit the cover in place and secure with original fasteners; do not overtighten
• If other duct components are damaged, inspect and replace them as needed for proper airflow