mypros+
Error code reference

Wolf Oven Error Code 1322

Broil element drive open on lower oven relay board.

Wolf codesWolf oven codes

Broil element drive open on lower oven relay board.

First step from the service manual

Replace the relay board.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

MyPros+ Max

Get the full diagnostic procedure for 1322.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What 1322 means on a Wolf oven

Error code 1322 on a Wolf oven indicates an open circuit condition detected in the broil element drive circuit on the lower oven relay board. The relay board is responsible for switching power to the broil element by energizing a relay that completes the circuit to the heating element. When the control detects that the drive signal is not producing the expected result, or that the relay output circuit is open (broken), it throws this fault code. An open drive circuit means the relay board is either failing to energize the broil relay or the output side of the relay is not completing the circuit correctly.

The relay board sits between the oven control board and the broil heating element, acting as a high-current switching interface. The control board sends a low-voltage drive signal to the relay board, which then switches line voltage to the broil element. If any component in that path fails, including the relay coil, the relay contacts, or the board traces, the drive circuit reads as open and the fault is logged. Internal relay failure is the most common cause of this code, and the diagnostic procedure points directly to replacing the relay board as the first corrective action.

Because the fault is localized to the relay board rather than the element or wiring harness in the primary diagnostic step, the relay board itself is the primary suspect. However, a technician should also inspect the wiring harness between the relay board and the broil element for any open connections, burned terminals, or damaged insulation before condemning the board. If replacing the relay board does not resolve the fault, further inspection of the element continuity and harness integrity is warranted.

Source: manufacturer service documentation.

Common causes of 1322

  1. 01

    Failed relay board

    Part replacement

    The lower oven relay board contains relays that switch power to the broil element. A failed relay coil or burned relay contacts on the board will produce an open drive condition, which is why replacing the relay board is the first recommended diagnostic step.

  2. 02

    Burned or damaged relay board traces

    Part replacement

    High current through the relay board can burn solder joints or PCB traces, creating an open circuit in the broil element drive path. Visual inspection of the relay board may reveal scorching, discoloration, or cracked solder joints.

  3. 03

    Open or damaged wiring harness

    Wiring / connection

    The wiring harness connecting the relay board to the broil element can develop open circuits due to heat damage, chafing, or connector corrosion. Inspect the harness terminals and connectors at both the relay board and element connections for signs of burning or looseness.

  4. 04

    Faulty broil element

    Part replacement

    If the broil element itself has an open in its resistance wire, the relay drive circuit may detect no load and log this fault. Check the element for visible damage such as cracks or blistering, and test continuity across its terminals.

  5. 05

    Control board communication issue

    Part replacement

    If the main control board is not sending the correct drive signal to the relay board, the relay will not energize and the circuit will appear open. This is less common but should be considered if replacing the relay board does not resolve the fault.

See the test procedure for each cause

Frequently asked questions about 1322

What does 1322 mean on a Wolf oven?
Error code 1322 means the oven has detected an open circuit in the broil element drive on the lower oven relay board. The relay board is the component responsible for switching power to the broil heating element, and this code indicates that circuit is not completing properly. As a result, the broil function in the lower oven will be non-operational until the fault is corrected.
Can I fix error code 1322 on my Wolf oven myself?
The primary fix for this error is replacing the lower oven relay board, which involves working with line voltage components inside the oven. While a technically experienced DIYer may be able to replace the relay board, this repair is generally recommended for a qualified appliance technician due to the high-voltage circuits involved. Before replacing the board, inspect the wiring harness and broil element for any visible damage that might be easier to address.
Is it safe to use my Wolf oven with error code 1322 active?
With error code 1322 active, the broil function on the lower oven will not operate, but bake functions that use different elements or relays may still work depending on your model. You should not attempt to bypass or ignore the fault for broiling, as an open relay circuit could indicate a component that is failing in a way that could cause further electrical damage. Have the oven inspected by a technician before continued use of affected functions.
Will resetting the oven clear error code 1322?
Resetting the oven by cycling power may temporarily clear the displayed fault code, but because error 1322 is caused by a hardware failure in the relay board or related circuit, the code will return as soon as the oven attempts to activate the broil element again. A proper repair, not a reset, is required to resolve this fault permanently.
How much does it cost to repair error code 1322 on a Wolf oven?
Repair costs for error code 1322 typically include the price of the lower oven relay board plus labor for diagnosis and installation. Relay board parts for Wolf ovens generally fall in the range of $150 to $350 or more depending on the specific model, and professional labor charges can add $100 to $250 or more depending on your location and service provider. Getting a written estimate before authorizing the repair is recommended.

Related Wolf oven codes

All Wolf oven codes
View all 380 Wolf oven codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass