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Error code reference

Wolf Range Error Code 07-37

RM Line Voltage A/D error.

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What the 07-37 error code actually means

Your Wolf range has detected a problem with how its control board is reading the incoming electrical power. The part responsible for monitoring your home's line voltage is not getting a clear or accurate reading. This needs to be checked by a technician, as it can affect the range's ability to operate safely and reliably.

Diagnostic procedure

The full 07-37 procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check connections, replace Relay Module.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Most common causes of 07-37

Ranked by how often they cause this code
  1. 1Loose or corroded wiring connections at the Relay Module
  2. 2Failed Relay Module internal A/D circuitry
  3. 3Damaged wiring harness
  4. 4Unstable or low incoming line voltage

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Questions people ask about 07-37

What does 07-37 mean on a Wolf range?
Error 07-37 indicates a Line Voltage Analog-to-Digital error in the Relay Module. The Relay Module monitors incoming AC line voltage by converting it to a digital signal, and this fault means that conversion process has failed or is producing an out-of-range result. The error points to either a wiring connection problem at the Relay Module or a failure of the module itself.
Will resetting the range clear error code 07-37?
Cycling power to the range may temporarily clear the fault display, but if the underlying cause is a loose connection or a failing Relay Module, the error will return. A reset alone is not a repair. The root cause must be identified and corrected to prevent the code from recurring.
How much does it cost to repair a Wolf range showing error 07-37?
If the fix is simply reseating a loose connector, the cost is limited to a service call fee, typically in the range of $80 to $150 depending on your area. If the Relay Module requires replacement, parts and labor combined can range from $300 to $600 or more, depending on part pricing and local labor rates. Getting a diagnosis first will clarify which repair is needed.
Can I fix error 07-37 on my Wolf range myself?
A knowledgeable DIYer can start by checking that all wiring connectors at the Relay Module are fully seated and free of corrosion, which requires no parts and may resolve the fault. However, if the module itself has failed, replacing it involves working near line voltage components and requires comfort with appliance electrical repair. Many homeowners prefer to have a qualified technician handle Relay Module replacement.
Is it safe to use my Wolf range while error 07-37 is active?
Error 07-37 involves the module that monitors line voltage for control and safety interlock functions, so continued use is not recommended until the fault is diagnosed. Operating the range in this condition could result in unreliable burner behavior or safety system malfunctions. Have the range inspected before resuming normal use.

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