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Error code reference

Wolf Oven Error Code 1422

Left convection element drive open on lower oven relay board.

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What the 1422 error code actually means

Your Wolf oven has detected a problem with the electrical circuit that controls the left convection heating element in the lower oven. The internal control board that switches power to that element is not working correctly. This will prevent the lower oven from heating properly using convection mode until the issue is repaired.

Diagnostic procedure

The full 1422 procedure

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1
First diagnostic step
Replace the relay board.
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Most common causes of 1422

Ranked by how often they cause this code
  1. 1Failed lower oven relay board
  2. 2Burned or damaged relay contacts
  3. 3Loose or corroded connector on the relay board
  4. 4Thermal damage to the relay board

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Questions people ask about 1422

What does 1422 mean on a Wolf oven?
Error code 1422 on a Wolf oven means the lower oven relay board has detected an open circuit in the left convection element drive. This prevents the relay board from properly energizing the left convection heating element. The fault is specific to the relay board's internal drive circuitry, and replacing the relay board is the recommended corrective action.
Is it safe to use my Wolf oven while error 1422 is displayed?
With error 1422 active, the left convection element in the lower oven will not function correctly, meaning the oven cannot heat as intended in convection mode. Continued use with a faulty relay board is not recommended, as the board controls multiple power switching functions and further component damage could result. It is best to stop using the oven and schedule a repair promptly.
How much does it cost to repair error code 1422 on a Wolf oven?
Repair costs for error 1422 typically include the price of a replacement lower oven relay board plus labor for diagnosis and installation. Parts and labor combined generally range from a few hundred dollars to over five hundred dollars depending on your location and service provider. Wolf ovens are premium appliances, and authorized service technicians may charge accordingly.
Can I fix error code 1422 on my Wolf oven myself?
Replacing the lower oven relay board requires working with high-voltage components and should only be performed by a qualified appliance technician. A technician will disconnect power to the oven, access the relay board, inspect connections, and install a replacement board. Attempting this repair without proper training and tools carries a serious risk of electrical injury.
Will resetting the oven clear error code 1422?
Resetting the oven by cycling the power may temporarily clear the error display, but because the fault is caused by a hardware failure on the relay board itself, the error will return once the oven attempts to use the left convection element. A reset does not repair the open drive circuit, and board replacement is required for a lasting fix.

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