Oven Control Board Replacement Cost: What to Expect in 2025

Quick Takeaways

• Typical replacement cost ranges from $150 to $500, plus labour.
• Brand, oven type and warranty status are the biggest price drivers.
• DIY swaps can save $50‑$150, but safety risks are real.
• Professional technicians usually charge $80‑$120 per hour.
• Regular cleaning and early fault detection extend board life.

When an oven control board is the electronic brain that regulates heating elements, timing and safety functions in an electric oven fails, the whole appliance can become useless. Homeowners often ask, “How much does it cost to replace the control board on an oven?” The answer isn’t a single number - it varies by brand, model, and whether you do the work yourself or hire a pro. Let’s break down every factor that shapes the price so you can budget confidently.

What the Control Board Actually Does

The oven control board coordinates the oven’s heating cycles, reads inputs from the thermostat and temperature sensor, and ensures safety cut‑offs work correctly. In modern electric ovens use electricity to heat metal elements rather than gas flames, this board replaces the old mechanical timers you might remember from the 1990s. A faulty board can cause no heat, intermittent heat, or error codes on the display.

Why Control Boards Fail

Three main culprits are behind most failures:

1. Power surges. A sudden spike can fry delicate components on the board.
2. Moisture infiltration. Spilled liquids or steam can corrode connections.
3. Component wear. Years of switching heating elements on and off stress capacitors and relays.

When any of these happen, the board often shows an error code or simply stops responding. Detecting the issue early can save you from a full‑board replacement.

Diagnosing the Problem

Before you order a new board, follow these steps to confirm it’s really the board that’s at fault:

• Unplug the oven and check the wiring harness for burnt or loose pins.
• Look up the specific error code in the user manual - many manuals point directly to the control board.
• Swap the board with a known‑good one (if you have a spare) or ask a technician to run a voltage test.

If the oven still won’t heat after these checks, it’s safe to assume the board needs replacement.

Cost Breakdown in 2025

Labour rates listed reflect the average charge of a qualified appliance technician who specializes in diagnosing and fixing kitchen appliances in Wellington as of October 2025 - roughly $80‑$120 per hour.

Factors That Push the Price Up

Not all ovens are created equal. Here’s what can make your bill higher:

• Brand prestige. Brands like Smeg or Wolf use proprietary boards that cost more.
• Model age. Older models may require hard‑to‑find parts, inflating price.
• Warranty status. If the manufacturer warranty covers electronic components for a set period is still active, you might pay only for labour.
• Location. Technicians in remote areas charge travel fees.

DIY vs. Professional Replacement

Going the DIY route can shave $50‑$150 off the total, but you need the right tools and knowledge. Here’s a quick checklist before you roll up your sleeves:

1. Turn off power at the circuit breaker - never rely on the oven’s plug.
2. Document wire connections with photos or notes.
3. Use a screwdriver set with insulated handles.
4. Wear safety glasses and gloves to protect against sharp edges.
5. Verify the new board matches the exact part number (usually printed on a metal tag).

If any step feels shaky, stop and call a professional. Mishandling can void warranties and pose fire hazards.

Choosing the Right Technician

When you decide to hire, look for these credentials:

• Certification. In New Zealand, a licensed appliance technician has completed an accredited training program and holds a valid trade licence is preferred.
• Experience with your brand. Some techs specialize in Samsung or Bosch ovens.
• Transparent pricing. Ask for a written estimate that separates parts and labour.
• Guarantee on work. A 12‑month warranty on the new board can save headaches later.

Don’t be shy about requesting references-most reputable firms will provide them.

Preventing Future Failures

Keeping the control board healthy is cheaper than replacing it. Try these habits:

• Use a surge protector or a whole‑home voltage regulator.
• Clean the oven interior regularly to avoid steam buildup near the board.
• Avoid opening the oven door for long periods while it’s on; this can cause temperature spikes.
• Schedule an annual check‑up with a technician, especially for high‑use ovens.

Small preventive steps can extend the board’s life by several years.

Bottom Line

Replacing an oven control board typically costs between $150 and $500 for parts, plus $80‑$120 per hour for labour if you hire a pro. Your exact bill depends on brand, oven type, warranty coverage, and whether you DIY. By diagnosing the issue early, choosing a qualified technician, and following preventative maintenance, you can keep your oven running smoothly without breaking the bank.

How long does it take to replace an oven control board?

A professional typically finishes the swap in 1‑2 hours, assuming no additional issues like damaged wiring.

Can I replace the board myself?

Yes, if you’re comfortable working with electricity and follow safety steps. Expect to save $50‑$150 on labour, but you’ll need the exact part number and proper tools.

Will my manufacturer warranty cover a faulty board?

Most warranties cover electronic components for the first 1‑2 years. Check the fine print; if the oven is still under warranty, you may only pay for labour.

What are the signs of a failing control board?

Common signs include no heat, intermittent heating, error codes on the display, or the oven never reaching the set temperature.

Is it worth repairing an old oven?

If the oven is less than 10 years old and the rest of it works well, a board replacement is usually cheaper than buying a new unit. For older models, weigh repair cost against the price of a modern, energy‑efficient oven.