Bosch Short Cycling / Thermostat Hysteresis Issue

Freezer cycles on and off too frequently; short run times and frequent starts.

Advertisements

Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Advertisements

Possible Causes

Sensor located too close to evaporator, Control algorithm issue, Oversized compressor for cabinet, Poor air circulation around sensor

How to Fix / Troubleshooting

Safety: Unplug the freezer before moving sensors or panels.

Steps:

  • Check loading: Avoid blocking air circulation around the sensor area with large packages.
  • Inspect sensor placement: Ensure the NTC sensor is in its correct clip or housing and not touching the evaporator directly.
  • Monitor behavior: After adjustments, monitor cycle times. If short cycling persists and affects temperature stability, a control board update or replacement may be needed via a Bosch technician.
Advertisements

Repair Difficulty

Medium 3/5
Advertisements