Parts for Whirlpool RM978BXVN1: 07 - Microwave Electrical Parts

Microwave not heating or heating inconsistently? The power control module regulates magnetron output. Intermediate repair requiring basic tools.

Glass turntable tray that rotates food inside your microwave. Replace if cracked, chipped, or broken. Sits on the support ring for even cooking.

This fuse holder secures and connects a replaceable inline fuse to the appliance's electrical circuit, restoring overcurrent protection and helping prevent damage from short circuits or power surges. What it does:

• Holds and connects a replaceable fuse in the appliance's electrical circuit
• Completes the fuse's electrical connection so current flows through the protective element
• Replaces a cracked, burnt, or loose holder that causes intermittent power or blown fuses
• Helps restore proper overcurrent protection when the fuse itself is intact

• Disconnect power to the appliance before inspecting or replacing electrical parts.
• Inspect nearby wiring and connectors; replace any damaged components to ensure a secure connection.

This time-delay fuse protects the appliance's power circuit by opening when current exceeds a safe level while tolerating brief inrush current. Replacing a blown fuse can help restore power once the root cause is corrected. What it does:

• Protects the line and control circuits from shorts and overloads
• Time-delay design helps prevent nuisance opening during startup surges
• When open, the unit will be completely dead—no display, lights, or response
• Repeatedly opening usually indicates an unresolved electrical fault that needs diagnosis

• 1 time-delay fuse

• Disconnect power at the breaker before servicing; some appliances can retain dangerous high voltage
• Replace only with the same type and rating specified by the manufacturer
• Inspect the fuse holder and wiring for heat damage or loose connections before reassembly
• If the new fuse opens immediately, stop and diagnose the underlying cause; never bypass or upsize a fuse

Loose or missing dishwasher door latch? This latch knob screw secures the knob to its shaft, restoring firm operation. Quick 5-minute fix.