Who should I tell if my food probe thermometer isn't working properly?

Date modified: 22nd September 2025 | This FAQ page has been written by Pilla Founder, Liam Jones, click to email Liam directly, he reads every email. Or book a demo to see how hospitality businesses use Pilla to manage food safety.

Answer Content

You should inform your head chef if you notice any issues with your probe thermometer. They will need to verify the problem by rechecking the probe's accuracy. If they confirm the probe is faulty, they'll ensure it's taken out of service and arrange for a replacement probe to be made available.

Make sure to record the issue in the probe thermometer accuracy test task in Pilla so there's a record of the problem.

Common misunderstanding: Only the head chef needs to be aware of thermometer issues.

While the head chef should be informed first, it's important for the entire kitchen staff to be aware of any issues with equipment like thermometers. This ensures that everyone is vigilant about food safety and aware of potential inaccuracies until the issue is resolved.

What signs should I look for to know if my probe isn't working properly?

There are several signs that indicate a probe might be faulty:

  • Bent or damaged probe tip
  • Cracked display
  • Foggy interior
  • Unstable readings that don't remain static
  • Temperature readings that deviate more than 1 degree from expected temperatures during calibration tests (100°C for boiling water or 0°C for ice water)

Common misunderstanding: A probe thermometer with a foggy display can still be used as long as the readings are visible.

A foggy display often indicates moisture has entered the thermometer, which can affect its accuracy and reliability. Even if the readings are visible, moisture can cause erratic behavior and should be addressed immediately.

Common misunderstanding: If the probe tip is slightly bent, it won't affect the thermometer's performance.

A bent probe tip can significantly impact the accuracy of temperature readings, as it may not make proper contact with the food. It's essential to replace a damaged probe to maintain food safety and quality.

Should I keep using the probe while waiting for a replacement?

No, once a probe has been identified as faulty, it must be immediately taken out of service. Using a faulty probe could lead to incorrect temperature readings which is a food safety risk. The probe should be sent back to the manufacturer for repair or replacement, and you should only use the replacement probe that your head chef provides.

Common misunderstanding: It's safe to use a faulty probe for non-critical tasks until a replacement arrives.

Using a faulty probe for any task is risky because it can provide incorrect temperature readings, leading to potential food safety hazards. It is imperative to remove it from all operations immediately and use a verified replacement.

Common misunderstanding: As long as the probe is cleaned thoroughly, it can be used despite minor faults.

Cleaning a faulty probe does not correct its inaccuracies. A probe with faults, such as inaccurate readings or physical damage, should not be used under any circumstances, as it could compromise food safety and quality.

UK Official Guidance

USA Official Guidance

What's the proper way to clean a food probe thermometer?

To properly clean a food probe thermometer, follow this two-step process: (1) Wash the probe with warm soapy water to remove any visible dirt or debris, then rinse with clean water to eliminate soap residue. (2) Sanitise the probe using alcohol swabs or a bleach solution to remove any remaining bacteria or allergens. This method ensures the thermometer is sufficiently cleaned and sanitised, preventing cross-contamination between different foods.

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Can I use regular cleaning wipes on my food probe thermometer?

No, regular cleaning wipes should not be used on a food probe thermometer.

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What's the correct temperature reading for cold water test when testing a food probe thermometer?

The correct temperature reading for testing a probe thermometer in cold water is 0°C (32°F).

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What's the correct temperature reading for boiling water when testing a food probe thermometer?

When testing a food probe thermometer in boiling water, an accurate reading ranges between 99°C and 101°C.

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What happens if I drop my food probe thermometer?

If you drop your probe thermometer, you should immediately stop using it and inspect it carefully for any visible damage like cracks, chips, or a bent probe tip.

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How do I know if my food probe thermometer is damaged?

You can identify damage in a food probe thermometer by looking for bending or physical damage to the probe tip, cracks in the display screen, a foggy or leaked interior, inconsistent or unstable readings, and scale markings that are difficult to read. If you observe any of these issues, immediately take the probe out of service and arrange for a replacement, recording all issues as a comment on a task.

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How deep should the food probe thermometer go in water when testing?

When testing a food probe thermometer in water, it should be submerged at least 2 inches deep.

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What do I do if my food probe thermometer gets wet?

If your food probe thermometer gets wet, you should immediately dry it thoroughly. After drying, check its accuracy by conducting both hot and cold tests.

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What do I need to do if the food probe thermometer reading is off by more than 1 degree?

If your probe thermometer shows a discrepancy of more than 1 degree during calibration, follow these steps: (1) Have the head chef verify the reading to confirm the discrepancy.

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Can I leave my food probe thermometer in the fridge overnight?

No, you should not leave your probe thermometer in the fridge overnight or in any extreme temperature environment such as fridges, freezers, ovens, or on hobs.

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Where should I store my food probe thermometer?

Your food probe thermometer should be stored in its protective case when not in use to protect it from physical damage, dust, and contaminants.

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How often should I test my food probe thermometer?

Your food probe thermometer should be tested regularly using both hot and cold calibration methods.

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How long should I wait for the temperature reading on my food probe thermometer to stabilise?

When using a probe thermometer, you should wait until the temperature reading stabilises for at least 10 seconds before taking your final reading. This delay ensures an accurate measurement.

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