Bosch Short Cycling / Control or Sizing Issue

Unit frequently turns on and off (short cycling) without maintaining temperature.

Advertisements

Possible Causes

Oversized Bosch unit for room size, Dirty filters causing rapid temperature swings, Faulty room temperature sensor placement, Incorrect thermostat settings

How to Fix / Troubleshooting

Steps:

  • Clean filters: Ensure good airflow to reduce rapid temperature changes at the sensor.
  • Check sensor location: Make sure the indoor unit is not directly above a heat source or in direct sunlight.
  • Adjust setpoint and mode: Use Auto fan and avoid setting the temperature extremely low or high.

If short cycling continues: A technician should check sensor calibration and system sizing.

Advertisements

Repair Difficulty

Easy 2/5

Required Part

Indoor Ambient Temperature Sensor
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements