How much does a microwave control board replacement cost?#
Plan on $180 to $450 for a microwave control board replacement, and about $315 for a straightforward job. The control board is what handles driving the heating circuit that warms food. When it fails, a plate that turns while the food stays cold is usually the first clue, and on a microwave that is not a fault you can safely ignore for long. The spread comes down to whether the part is factory-original or aftermarket and how hard the unit is to open. The labor here is short; you are mostly paying for the board and for a correct diagnosis, since a mis-called board is money wasted. Against $150–$600 for a new microwave, that keeps a repair the cheaper move on a unit that is otherwise sound.
Microwave control board replacement cost
- What it does: the control board runs the electronics and cycle logic.
- Signs it is failing: a dead panel, unresponsive buttons, or cycles that quit partway.
- The repair job: diagnosing the board, fitting an OEM replacement, and confirming every cycle.
- DIY or pro: usually a technician job — a wrong board or a missed reprogram wastes the part.
| What you pay for | Typical cost |
|---|---|
| Part plus basic labor | $180 |
| Typical repair | $315 |
| Premium part or hard access | $450 |
| A new microwave, installed | $150–$600 |
Against a new microwave at $150–$600 installed, a control board repair at $180–$450 is usually the cheaper fix — unless the microwave is already old or has other faults.
Pro note: a technician rules out a failed door switch or a loose harness before condemning the board, since those mimic a dead board for far less money.
Is replacing the control board on a microwave worth it?#
Replacing the control board pays off whenever the microwave is otherwise sound: $180–$450 beats the $150 to $600 of buying new, and it spares you delivery and haul-away on top. With the fastest appliance in the kitchen sidelined, most owners would rather fix a Bosch- or Wolf-tier unit than replace it; if instead it is past roughly 10 years and carrying other faults, put the money toward a replacement — a single fix rarely rescues a tired machine.
Do You Have the Right Tools?
High-voltage capacitor discharge tool ($90), magnetron tester ($200), microwave leakage detector ($150). Our technician arrives with $3,000+ in professional tools — your diagnostic is free.
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Microwave Control board replacement cost: FAQ#
How much does a microwave control board replacement cost?#
Between $180 and $450 for parts and labor, and about $315 on a typical unit.
Is replacing the control board on a microwave worth it?#
Yes on a sound or higher-end microwave: $180–$450 stays well below $150–$600. Once the machine is near the end of its life, buying new is the better spend.
What makes the control board fail on a microwave?#
The control board usually gives out from power surges, ambient heat and moisture, and failed relays or cracked solder joints on the board.
Can I replace a microwave control board myself?#
It is usually a technician job — a wrong part or a missed reprogramming step wastes it, so most owners let a pro handle the diagnosis.
How long does a microwave control board replacement take?#
Figure an hour or two for a pro — the swap is quick, but pinning the fault and verifying the fix take the bulk of the time.
Senior Gas Appliance Specialist · 18 years experience
AGA-certified gas appliance specialist with 18 years of experience in residential and commercial oven, range, and cooktop repairs.
