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Error code reference

Viking Range Error Code No Probe

Meat probe input is open (probe not connected or defective).

Viking codesViking range codes

Meat probe input is open (probe not connected or defective).

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What No Probe means on a Viking range

The "No Probe" error on a Viking range indicates that the oven's control board is detecting an open circuit on the meat probe input. In normal operation, a connected meat probe completes a circuit through a thermistor inside the probe tip, allowing the control board to read an analog resistance value that corresponds to the internal temperature of the food being monitored. When the control board reads no resistance signal at all, rather than a partial or erratic one, it interprets the probe jack input as open and displays this fault.

The most direct cause is simply that no probe is physically connected to the probe receptacle located inside the oven cavity. However, if a probe is connected and the error persists, the fault lies either in the probe itself or in the wiring path between the receptacle and the control board. The probe's internal thermistor can fail open due to heat exposure over time, a kinked or pinched cable, or damage to the connector pins. The receptacle inside the oven can also suffer from burned contacts or corrosion that breaks continuity even when the probe is seated.

Because the error reflects an open input rather than a shorted or out-of-range reading, diagnosis should focus on continuity testing the probe cable from tip to connector, inspecting the receptacle contacts for damage or debris, and verifying the wiring harness between the receptacle and the control board. If the probe and receptacle test good but the error remains, the control board's probe input circuit may have failed internally.

Source: manufacturer service documentation.

Common causes of No Probe

  1. 01

    Probe not connected

    Wiring / connection

    The most frequent reason for this error is that the oven is in probe mode but no meat probe is physically inserted into the probe receptacle inside the oven cavity. Plugging in the probe or switching cooking modes will clear the error immediately.

  2. 02

    Defective meat probe

    Part replacement

    The thermistor inside the probe tip can fail open due to repeated heat cycling, cable damage, or a bent connector. Testing the probe for continuity between its connector pins will confirm whether the probe itself has failed.

  3. 03

    Damaged probe receptacle

    Part replacement

    The probe jack mounted inside the oven cavity can develop burned, corroded, or bent contacts that prevent a reliable connection even when the probe is fully inserted. Visually inspect the receptacle for discoloration, debris, or deformed pins.

  4. 04

    Wiring harness fault between receptacle and control board

    Part replacement

    The wiring that runs from the probe receptacle to the control board can develop an open connection due to heat damage, a loose terminal, or a broken wire. Continuity testing along the harness will identify this fault.

  5. 05

    Control board probe input failure

    Part replacement

    If the probe, receptacle, and wiring all test correctly, the input circuit on the control board responsible for reading the probe signal may have failed internally. This is the least common cause and typically requires board replacement.

See the test procedure for each cause

Frequently asked questions about No Probe

What does No Probe mean on a Viking range?
The No Probe error means the oven's control board is detecting an open circuit at the meat probe input, indicating that no probe signal is being received. This occurs either because no probe is connected, because a connected probe has failed internally, or because there is a fault in the receptacle or wiring between the probe and the control board. The control board expects a resistance reading from the probe's thermistor, and when it receives none, it displays this fault.
Can I fix the No Probe error myself?
If the error appears simply because the oven is set to a probe cooking mode without a probe connected, you can fix it by plugging in the probe or changing the cooking mode. If the probe is connected and the error persists, you can visually inspect the probe cable and receptacle for obvious damage. Replacing a faulty probe is a straightforward repair, but diagnosing the receptacle or wiring harness requires a multimeter and some comfort working around oven components.
Is it safe to use my Viking range when the No Probe error is displayed?
The No Probe error is specific to the meat probe input circuit and does not affect the oven's core heating functions. You can typically continue using the oven for standard baking and roasting as long as you do not select a probe-dependent cooking mode. However, the probe-based temperature monitoring feature will not function until the fault is resolved.
Will resetting my Viking range clear the No Probe error?
A power reset, performed by shutting off the circuit breaker for 60 seconds and restoring power, may temporarily clear the display, but the error will return if the underlying cause has not been addressed. If no probe is needed, switching out of probe cooking mode is the correct solution. If the probe or its components are faulty, the error will persist until the defective part is repaired or replaced.
How much does it cost to repair the No Probe error on a Viking range?
Repair costs vary depending on what component has failed. A replacement meat probe typically runs in the range of $30 to $80 for the part alone. If the probe receptacle or wiring harness requires replacement, parts and labor can bring the total to $100 to $250 or more. A control board replacement, which is the most expensive scenario, can range from $200 to $500 or higher depending on the specific model.

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