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Error code reference

Viking Refrigerator Error Code Shr

Shorted thermistor detected

Viking codesViking refrigerator codes
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What the Shr error code actually means

Your Viking refrigerator has detected a problem with a temperature sensor inside the fridge or freezer compartment. Because the sensor is sending a faulty signal, the refrigerator is running its cooling system non-stop trying to compensate, which can cause the compartment to get too cold. A technician will need to test and likely replace the faulty temperature sensor to restore normal operation.

Diagnostic procedure

The full Shr procedure

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1
First diagnostic step
Remove the thermistor and test its resistance per the NTC resistance chart; verify wiring and connections.
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Most common causes of Shr

Ranked by how often they cause this code
  1. 1Failed thermistor sensor
  2. 2Moisture or corrosion at the connector
  3. 3Chafed or pinched wiring harness
  4. 4Short to ground in the wiring
  5. 5Control board misreading a valid signal

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Questions people ask about Shr

What does Shr mean on a Viking refrigerator?
Shr indicates that the control board has detected a shorted thermistor in the refrigerator or freezer zone. A shorted thermistor sends a near-zero resistance signal, which causes the control to interpret the compartment as extremely warm. The system responds by running the cooling circuit continuously, except during defrost, until the fault is resolved.
Is it safe to keep using my Viking refrigerator while the Shr code is active?
Short-term use is possible, but the affected compartment will run cooling continuously, which can cause the compartment to become excessively cold and may stress the compressor over time. Food items, especially fresh produce, could freeze in the refrigerator section. It is best to address the fault promptly to avoid food loss or component wear.
Will resetting the refrigerator clear the Shr error code?
Power cycling the refrigerator may temporarily clear the displayed code, but if the thermistor or wiring fault is still present, the Shr code will return once the control board completes its diagnostic cycle. A reset does not repair the underlying problem, so the fault must be diagnosed and corrected to permanently clear the code.
Can I fix the Shr error code myself?
A knowledgeable DIYer can attempt diagnosis by removing the thermistor and testing its resistance against the NTC resistance chart with a multimeter. If the sensor reads near zero ohms, replacing it is a straightforward repair. However, if the wiring harness or control board is involved, a qualified technician is recommended.
How much does it cost to repair the Shr error code on a Viking refrigerator?
If only the thermistor needs replacement, parts typically range from $15 to $60 depending on the specific sensor, with labor costs adding $75 to $200 depending on your location and the technician. If the wiring harness requires repair or the control board needs replacement, total costs can rise to $200 to $600 or more.

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