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Item Type: Compressor PTC starter relay
Material: Plastic
Size: 45x32x27.4mm/1.77x1.26x1.07inch
PTC Chip's Tested Resistance is about 16-18 Ω.
Color: White
Pin: 4P
A 4-pin refrigerator compressor PTC (Positive Temperature Coefficient) starter relay is a component used in refrigeration systems, particularly in the starting mechanism of the compressor. The PTC starter relay is responsible for providing the initial high current to start the compressor motor and then regulating the current as the motor begins to run. This process ensures a smooth and controlled start for the compressor, preventing issues associated with excessive current during prolonged operation.
when is the right time to replace it ?
The PTC starter relay in a refrigerator may need to be replaced if you observe certain signs or issues. Here are some indicators that it might be time to replace the PTC starter relay:
Compressor Not Starting: If you notice that the compressor is not starting, it could be due to a faulty PTC starter relay. In this case, you may hear a clicking sound as the relay tries to start the compressor but fails.
Repeated Clicking Sounds: Sometimes, a failing PTC relay might cause a repeated clicking sound as it attempts to start the compressor. If you hear this pattern and the compressor doesn't start, it could be a sign of a malfunctioning relay.
Inconsistent Cooling: If your refrigerator is struggling to maintain the desired temperature or if you notice fluctuations in cooling, the compressor might not be starting properly. This can be related to issues with the PTC relay.
Overheating: A PTC relay that's failing may overheat. If you notice excessive heat around the relay or any burnt smell, it could be an indication that the relay is malfunctioning.
Visual Inspection: In some cases, a visual inspection might reveal physical damage to the relay, such as burnt or melted components. This is a clear sign that the relay needs replacement.
