Oven Trip Causes and Solutions

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Oven trip is an active protection behavior of the circuit system. When the working current continuously exceeds the line carrying capacity or the equipment has leakage or short-circuit fault, the protection device will cut off the circuit. This mechanism effectively prevents wire overheating from accelerating insulation aging and fire risk, and meets the requirements of electrical safety design specifications.

(1)、Circuit Overload Treatment Scheme

1. Overload judgment standard

Kitchen circuit design requires oven power is usually 1500-3000W, while the use of other high-power electrical appliances is easy to exceed the line carrying limit. The protection device delays the action when the current slightly exceeds the standard, and quickly cuts off the circuit when the current exceeds the standard seriously, which meets the requirements of overload protection characteristics.

2. Solution

·Use high-power electrical appliances at staggered peaks to avoid peak hours of electricity consumption.

·Add independent kitchen circuit and adopt wires conforming to specifications.

·It is forbidden to replace larger size protection devices without authorization to avoid protection failure.

(2)、Equipment fault detection and repair

1. Leakage fault

The insulation aging of the heating tube will cause the leakage current to trigger the protection action. To detect the need to unplug the power cord to test the shell voltage separately, and use professional instruments to measure the insulation resistance. Found cracks or deformation should be replaced immediately, the use of high temperature parts.

2. Short circuit fault

The damage of the line insulation will cause instantaneous high current, and the characteristics include abnormal sound when tripping and abnormal temperature of the wire joint. Line maintenance must be carried out by professional personnel, and self-wiring operation is prohibited.

(3)、Power Supply System Problem Treatment

1. Wiring error prevention

The installation of the circuit requires the polarity of the zero ground wire to be correct, and the detection requires the use of professional tools to test the polarity of the socket. If any error is found, the wiring shall be re-standardized, and the newly installed circuit must be subjected to insulation test and power-on trial operation.

2 Line aging treatment

Old wires are prone to poor contact, so it is necessary to check the joint status regularly. The contact resistance of important nodes shall be measured, and it is recommended to replace the severely aged lines with cables that meet the requirements.

(4)、Systematic processing specification

1. Troubleshooting Process

Follow the standardized process: immediately power off → electricity inspection confirmation → basic inspection → professional inspection → maintenance and replacement. It is prohibited to replace only components without troubleshooting the root cause.

2. Maintenance Safety Guidelines

The user's own handling is limited to visual inspection, and core maintenance must be performed by professionals. Insulation protection equipment shall be worn during maintenance, and insulation recovery and grounding inspection shall be carried out after maintenance.

Conclusion

The correct handling of the oven trip problem should be combined with professional technical specifications. Through systematic investigation and professional maintenance, the normal operation of equipment and household electricity safety are guaranteed. It is recommended to conduct regular circuit safety inspections, and seek professional help for complex failures to ensure that the cooking process is peace of mind.