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  • FAQ

WB27M3 Oven Control Board Repair

  • WB27M3 oven control board repair
  • WB27M3 oven control board repair
  • WB27X519 Relay Board
  • WB27X519 Relay Board Bottom
  • WB27M3 before and after oven board repair
1-business day turnaround service


  1. How This Works
  2. Instructional Information
  3. Part Numbers
  4. Warranty
  5. Reviews

Product Description

This repair service is for a Roper oven control board, part number WB27M3 and relay board WB27X519 that has failed and is experiencing one or more of the following issues:

  • F1 Error Code
  • Intermittent Error Codes
  • Oven display, clock or electric range control (ERC) is dim or completely out  - Requires repairing both the main control board AND the relay board, part number WB27X519 (select option above).
  • Oven exceeds the temperature set point or will not turn off - Requires repairing both the main control board AND the relay board, part number WB27X519 (select option above).
  • The oven does not reach temperature - Requires repairing both the main control board AND the relay board, part number WB27X519 (select option above).
  • No bake, broil, or convection function - Requires repairing both the main control board AND the relay board, part number WB27X519 (select option above).

It is our professional recommendation that you rebuild both boards at the same time because:

  1. Repairing both boards will correct all the issues listed on this page.
  2. It allows all of the oven's electronic control board components to be rebuilt using upgraded components.
  3. It will significantly extend the life of the oven with trouble-free operation.
  4. You can take advantage of discounted package repair pricing.
  5. Prevent future re-work and additional shipping costs later.

This repair is also for the following alternate and replacement part numbers:

  • 336518
  • 337088
  • 338468
  • 343763
  • 4337968
  • 4338367
  • WB27M0003

Repair Service Benefits

There are several benefits to our repair service over purchasing a new control board that include:

  • Upgrading your range control board by using high-quality components
  • A no-hassle warranty that far exceeds warranties offered on new replacements
  • A 1-business day turnaround in our facility once we receive your current oven control board
  • Significantly discounted shipping rates offered during checkout if you choose to purchase a prepaid shipping label to use when shipping your board to us
  • 5-Star customer service!

Start the repair process today by clicking the "Place Your Repair Order" button above and proceed through the checkout process. Please text or call us at 800-547-2049 if you have any questions.

Wondering How This Repair Service Works?

At Circuit Board Medics, our focus is on excellent communication, fast turnaround, and quality repairs. One key to achieving these goals is ensuring that we have customers' contact information and payment before beginning any repair order. Watch our video to learn more about how our repair process works and how we can help to get your appliance back up and running quickly. Disclaimer: We are not responsible for lost, delayed, or non-repaired items shipped to our facility without an order number.

Removal Instructions

Oven Control Board

Part Numbers

Below are a list of known model numbers. This is NOT a complete list so if you do not see your part number listed please call us at 800-547-2049.

B8758X1 B8758B0 B8758B1 B8758X0 B9308W0 B9458B0 B9608W0 B9757X0 B9757X1 B9758B0 B9908B0 D9751*1 D9757W0 D9757W1 S8757W0 S8757W1 S9507W0 S9507W1


Our no-hassle warranty covers your repair for a full two years. If the repair fails anytime within 2 years, we will repair the item again. In the rare occasion that the item is not repairable, we will either replace the circuit board entirely or refund the cost of the repair, at our discretion. See Details...

Product Reviews