Microwave Dead or Not Heating? Power Board WG02F13319 – Fix Microwave Power Failure Fast

If your GE microwave has no power, won't heat, or goes completely dead, the microwave power board is the most common cause. In most GE-built combination microwave/wall oven units, the power board converts and distributes power to the magnetron, control board, and all internal systems. When it fails, the microwave may be completely dead, fail to heat, or lose power intermittently. ⚡ Common failure point in GE CTC912 and PT7800 series combination units. Part WG02F13319 is the genuine OEM replacement that restores full microwave power delivery with a direct drop-in fit and no modifications required.

❓ Is This the Right Part?

This is the correct fix if ALL of the following are true:

• ✔ Your microwave is completely dead or loses power intermittently
• ✔ The wall oven portion of the unit still functions normally
• ✔ Power supply at the breaker and outlet is confirmed stable
• ✔ The door switches and thermal fuse have been tested and are functioning
• ✔ ONLY problem is the microwave not powering on or failing to heat

Not sure? Send us your model number — we'll confirm before you order.

🔧 Common Symptoms

• Microwave completely dead — no display, no response, no power
• Microwave won't heat despite the display appearing to work
• Unit loses power intermittently or resets on its own
• Burning smell or visible scorching on the power board
• Microwave trips the breaker when powered on
• Microwave works briefly then shuts off mid-cycle

✔ If these symptoms match, the power board is the most likely failed component in the system.

✔ In most cases, replacing the power board restores full microwave operation immediately.

📦 Part Details

• Part Number: WG02F13319
• Type: OEM Microwave Power Board — genuine GE factory part
• Replaces: OEM direct-fit power board — supersedes WG02F13266, EBR76928002, EBR76928002HD, 1904250213 (no modification required)
• Brands: GE

⚙️ Installation

Skill Level: ADVANCED — 45–60 minutes. Disconnect power at the breaker before beginning and wait a minimum of 10 minutes — the high-voltage capacitor inside the microwave can retain a lethal charge even after power is removed. Remove the microwave's outer casing to access the power board, photograph all harness connections, remove the mounting screws, and swap the board. Reconnect all harnesses in the original positions, reinstall the casing, restore power, and run a test cycle. If you are not comfortable working around high-voltage components, have this repair performed by a qualified technician.

💡 Pro Tip

🔗 Model Repair Hubs

Find part lists, diagrams, and repair guides for your specific model: CTC912P2N1S1, PT7800SH9SS