A refrigerator compressor can burn out after being turned off for a few potential reasons:
Lack of Lubrication: The compressor relies on lubrication to function properly and reduce friction between moving parts. If the refrigerator has been off for an extended period, the lubricating oil may settle and not circulate properly when the compressor is turned on again. This can lead to increased friction and overheating, potentially causing the compressor to burn out.
Electrical Issues: When a refrigerator is turned off and then turned back on, there could be electrical issues like power surges or fluctuations that put stress on the compressor motor. These irregularities in the power supply can cause the compressor to fail.
Mechanical Damage: During transportation or while the refrigerator was turned off, the compressor's internal components may have become damaged or misaligned. When the compressor is powered on again, these issues can result in excessive strain and eventual burnout.
Age and Wear: Compressors, like any mechanical component, have a limited lifespan. If the refrigerator is old or has been heavily used, the compressor may simply wear out over time, regardless of whether it was turned off or not.
To prevent such issues, it's a good idea to follow proper maintenance guidelines for refrigerators. If you need to turn off the refrigerator for an extended period (e.g., during a move or vacation), it's advisable to clean and defrost it, allow it to sit for a few hours after turning it off, and then turn it back on. Additionally, consider using a voltage stabilizer or surge protector to safeguard the appliance from electrical irregularities.
If your refrigerator's compressor has already burned out, it's essential to contact a professional technician to assess the damage and determine whether it can be repaired or if a replacement is necessary.