How to Reset Your Pitco Fryer High Limit Switch in Minutes

Posted: June 27, 2025

In any bustling commercial kitchen, safety and efficiency go hand in hand. One of the most important safety components in a deep fryer is the high limit switch deep fryer mechanism. Specifically designed to monitor oil temperature, this component automatically shuts off the heating element if the oil overheats, preventing potential fire hazards or equipment damage.

The Pitco fryer high limit switch is one such critical safety part, trusted by kitchen professionals for its reliable performance. However, like all safety switches, it can trip, stopping your fryer from operating. Whether it's due to a brief temperature spike or a mechanical glitch, knowing how to perform a Pitco fryer high limit switch reset can save downtime and reduce service costs.

This guide walks through the function of this switch, signs it needs resetting, how to safely reset it, and what to do when a reset fails. We’ll also cover why it’s dangerous to learn how to bypass high limit switch on deep fryer, and the importance of using genuine Pitco deep fryer parts and Pitco commercial fryer parts for replacements.

Table of Contents:
What is a High Limit Switch in a Deep Fryer?
Signs Your Pitco Fryer High Limit Switch Needs a Reset
Guide to Pitco Fryer High Limit Switch Reset
When to Replace High Limit Switch in a Fryer
How to Bypass High Limit Switch on Deep Fryer
Pitco Fryer Maintenance Tips to Avoid Future High Limit Trips

What is a High Limit Switch in a Deep Fryer?

A high limit switch deep fryer component serves as a thermal safety cut-off. Installed in the heating circuit, this switch monitors the oil temperature. If it exceeds a safe limit, typically around 450°F, it automatically disconnects power to the heating element to avoid combustion or oil fire.

  • In Pitco commercial fryer parts, this switch is factory-calibrated for accuracy and integrated into the fryer’s design. Once tripped, it prevents the fryer from reheating until the switch is manually reset.

  • By acting as a fail-safe, the Pitco fryer high limit switch protects not just the equipment but also kitchen staff and the establishment’s fire safety compliance. It is also essential for keeping the fryer within health department regulations by maintaining oil temperature consistency.

In modern commercial kitchens, fryer fires are a significant risk. A high limit switch ensures such incidents are rare, thanks to its rapid response and critical shutoff mechanism.

Signs Your Pitco Fryer High Limit Switch Needs a Reset

There are several signs that indicate the Pitco fryer high limit switch has tripped and needs attention. 

Symptom

Explanation

Fryer not heating up

Power is on, but the heating element doesn’t activate due to a tripped switch.

Displaying error codes (e.g., "HI-LIMIT")

Indicates an over-temperature condition that has triggered the safety switch.

Sudden shutdown during operation

The fryer unexpectedly turns off as the switch responds to overheating.

No audible sound from the heating element

A lack of operational noise suggests the heating circuit is interrupted.


Additional checks include oil quality, proper fill levels, burner cleanliness, and ventilation. If a reset fails, inspect for faulty wiring or consider replacing the high limit switch using compatible Pitco deep fryer parts.

Guide to Pitco Fryer High Limit Switch Reset

Before starting any maintenance, unplug the fryer and allow it to cool down completely. Avoid direct contact with oil or metal surfaces that may still be hot.

  • Locate the high limit switch: The Pitco fryer high limit switch is generally located behind the front panel or near the thermostat control. You may need a screwdriver to access it. Refer to your fryer’s manual for exact placement.

  • Press the reset button: Once located, press the red or black manual reset button on the switch. It should click into place if it had tripped.

  • Reassemble and plug back: Secure any covers and plug the fryer back into the outlet. Turn it on and monitor whether it begins to heat.

  • Allow to heat & retest: Let the fryer reach cooking temperature. If it remains functional without tripping, the reset is successful.

By following these steps, your Pitco fryer high limit switch reset process can be completed in just a few minutes, restoring normal kitchen operations quickly.

When to Replace High Limit Switch in a Fryer

A reset won’t always solve the problem. If your fryer:

  • Trips immediately after reset

  • Shows no power despite functioning control panel

  • Continues overheating

  • Emits a burnt smell near wiring

It may be time to replace high limit switch fryer components. In such cases, the switch may be internally damaged or unable to sense temperatures correctly.

Using authentic Pitco deep fryer parts ensures compatibility and safety. Always choose OEM or approved Pitco commercial fryer parts from trusted suppliers to avoid future malfunctions.

How to replace high limit switch in pitco fryer

Replacing a faulty high limit switch deep fryer part restores optimal performance.

  • Disconnect power

  • Remove the access panel

  • Detach old switch (note wiring positions)

  • Install a new switch and reconnect the wires

  • Secure everything and test the fryer

 Routine inspection of your fryer setup will help identify issues early, before complete failure.

How to Bypass High Limit Switch on Deep Fryer

Some technicians may suggest how to bypass high limit switch on deep fryer temporarily to “test” a malfunctioning unit. This is extremely dangerous and should be avoided.

Why it’s done:

  • To check if the switch is causing heating failure

  • To keep fryers running without delays

Why you shouldn’t:

  • Major fire hazard due to uncontrolled heating

  • Voids manufacturer warranty

  • Violates fire safety codes and kitchen compliance

  • Can damage heating elements, control boards, and fry pots.

Bypassing the Pitco fryer high limit switch is not only a technical violation but also a legal liability. Instead, invest in proper diagnostics and genuine Pitco commercial fryer parts to safely address issues. Always prioritize safety over convenience. If your fryer is constantly tripping the high limit switch, it indicates a deeper issue that requires professional attention.

Commercial Deep Fryer Pots Maintenance: Everything You Need to Know

Pitco Fryer Maintenance Tips to Avoid Future High Limit Trips

Keeping your fryer in optimal condition minimizes chances of high-limit switch trips. Here are essential tips:

  • Clean ventilation areas: Blocked airflow causes excess heat buildup.

  • Maintain oil quality: Old oil heats unevenly and trips sensors.

  • Check thermostats: Calibrate regularly to prevent inaccurate readings.

  • Use OEM parts: Always opt for Pitco deep fryer parts for repairs.

  • Inspect gas pressure: Low or unstable pressure can cause the unit to overwork.

  • Routine electrical check: Damaged wires or connectors can short the switch.

Quarterly maintenance and staff training on fryer operation can drastically reduce malfunctions and prevent the need to repeatedly replace high limit switch fryer parts. Replace aged Pitco commercial fryer parts as part of preventive maintenance.

How to Pick the Perfect Deep Fryer Machine for a Commercial Kitchen 

Understanding the function and importance of the Pitco fryer high limit switch is crucial for any commercial kitchen operator. A simple Pitco fryer high limit switch reset can often resolve heating issues and bring your fryer back online in minutes. Knowing when to replace high limit switch fryer components with trusted Pitco deep fryer parts becomes essential. Never attempt unsafe methods like learning how to bypass high limit switch on deep fryer, they endanger lives, property, and business licenses. Instead, prioritize regular maintenance, stay stocked with genuine Pitco commercial fryer parts, and treat every safety mechanism with the respect it deserves. PartsFe UK Offers a range of commercial fryer spare parts, including fryer baskets, deep fryer filters, fryer thermocouples, and pot caster wheels. Get the required ones for your commercial kitchen needs.

FAQs 

Can a faulty high limit switch affect oil temperature accuracy in a Pitco fryer?

Yes, a malfunctioning high limit switch deep fryer unit can prevent the fryer from reaching or maintaining the correct oil temperature, disrupting cooking performance and food consistency.

What is the lifespan of a high limit switch in a Pitco commercial fryer?

On average, a Pitco fryer high limit switch lasts 3–5 years, but it can wear out faster under heavy use or poor ventilation. Regular maintenance and inspection of Pitco commercial fryer parts can extend its lifespan.