Jvm 1339 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

This gas sensor monitors moisture levels during sensor-cook cycles so the control can adjust time and power for consistent results. Replacing a failed sensor restores reliable sensor-cook performance. What it does:

• Detects steam/vapor inside the cavity and sends feedback to the control board
• Helps the appliance automatically set or adjust cooking time on sensor settings
• Failure symptoms can include sensor-cook not starting, stopping early, or running too long
• May trigger "Sensor" or general error messages related to sensor-cook functions

• Disconnect power before servicing; if working on a microwave, discharge the high-voltage capacitor
• Access is typically behind the control panel or air channel; avoid touching/contaminating the sensing surface
• Transfer any mounting clips/brackets and ensure the wiring connector is fully seated
• After installation, run a simple sensor-cook test to confirm operation

Ceramic

This microwave thermostat is a temperature-sensitive safety switch that helps protect the unit from overheating. When the preset limit is reached, it interrupts power to the affected circuit to help prevent damage and erratic shutdowns.

• Monitors temperature at its mounting location and opens the circuit if overheating is detected
• Helps protect internal components from excessive heat
• Common symptoms of a failed thermostat include: unit shuts off during cooking, won't start until it cools down, or has no power/no heat due to an open safety
• Replace if the original tests open when it should be closed

• Disconnect power by unplugging the unit or switching off the circuit breaker before servicing
• Microwaves contain a high-voltage capacitor that can retain a dangerous charge; only qualified persons should service and discharge the capacitor
• Note wire locations before removal and transfer connections firmly to the new thermostat
• Mount the thermostat securely and in the same position to ensure proper temperature sensing

This is a magnetron that is used on microwave ovens. The purpose of the magnetron is to provide the microwaves that actually cook the foot inside of the microwave oven. Use caution when replacing this part. High-voltage capacitors in microwaves can retain a deadly amount of electrical charge, even when they are unplugged.If the microwave begins making a buzzing noise and doesn't heat food properly, this part will need to be replaced. Use extreme caution when working with this appliance. Unplug the unit first.This particular magnetron is compatible with microwave ovens that are manufactured by the General Electric, Hotpoint, and Maytag brands. This part is sold individually and is sourced directly from the manufacturer as a genuine OEM part.

This magnetron generates microwave energy to heat food in compatible countertop and over-the-range microwaves. Replacing a worn magnetron restores cooking power and helps eliminate uneven heating or failure to heat. What it does:

• Converts high-voltage electrical power into microwave radiation used to cook and reheat food
• Common symptom: oven runs but food doesn't heat or heats very slowly
• May also be needed if you notice loud buzzing, arcing, or burning odors during operation
• Works with the microwave's high-voltage system; other components may also need inspection

• One magnetron (single unit as shown)

• Disconnect power and discharge the microwave's high-voltage capacitor before servicing
• Inspect surrounding parts (waveguide, diode, capacitor, and cooling fan) for damage during replacement
• Use only the correct replacement part number to ensure proper fit and safe operation

This small spacer positions and stabilizes the oven rack inside the cavity. Replacing a worn or missing spacer restores correct rack height and alignment so the rack slides smoothly without scraping or wobbling during use.

• Maintains proper clearance between the rack and oven wall/rail
• Keeps the rack level and correctly aligned on its supports
• Helps the rack slide in and out smoothly
• Direct replacement for a cracked, deformed, or missing spacer

• Disconnect power; if gas, shut off gas supply. Allow the oven to cool completely.
• Remove the rack and note the spacer's original location and orientation.
• Install the spacer in the designated position and ensure it is fully seated.
• Reinstall the rack and ensure smooth movement and secure support.

This washered screw secures panels and internal components where a combined screw-and-washer fastener is required, restoring proper fit and stopping movement or rattling. Simple replacement with the correct fastener keeps assemblies aligned and stable. What it does

• Secures panels, brackets or components where a washered screw is specified
• Replaces missing, stripped or corroded fasteners that allow vibration or gaps
• Helps stop rattling, loose panels or misaligned parts caused by a failed screw
• Provides a sealed bearing surface to distribute load and prevent pull-through

• One washered screw

• Disconnect power and/or water to the appliance before starting any repair
• Use the correct screwdriver or bit to avoid cam-out and fastener damage
• Align parts before tightening and snug; avoid over-tightening which can strip threads or crack plastic

This gas flame sensor detects whether a burner's flame is present so the range/oven's gas valve and ignition control can operate safely. It helps restore reliable ignition and prevents the valve from staying open when no flame is detected. What it does:

• Senses the presence of a gas flame and signals the control to keep the valve open
• Helps prevent gas flow if a flame is not detected
• Can stop ignition or cause the oven/range not to heat when failing
• Commonly replaced when burners won't stay lit or control shows ignition-related errors

• One gas flame sensor

• Turn off electrical power and shut off the gas supply before servicing
• Handle the sensor and its connector carefully to avoid damage
• Reinstall in the exact position and orientation; loose connections can cause false faults

This run capacitor helps the appliance motor start and run smoothly by storing and releasing electrical energy. Replacing a worn capacitor can restore reliable motor operation and reduce abnormal motor noise or cycling. What it does:

• Provides the brief power boost motors need to start and maintain RPM
• Helps stabilize motor voltage and improve run efficiency under load
• Commonly linked to symptoms such as motors that hum but won't start, slow or intermittent motor operation, or unusual motor noise
• Reduces stress on motor windings that can lead to premature failure when functioning properly

• One motor capacitor

• Always disconnect power at the breaker or unplug the appliance before servicing
• Capacitors can hold a charge; discharge safely
• Observe proper polarity and mounting location during installation; secure wiring and connectors