Troubleshooting; Check Thermistors - Friedrich CCF05B10A Service Manual

Check Thermistors

1. Gain Acces to Main PCB (logic) board
2. Using a multi meter ohm across applicaple pins for the sensor you are checking.
3. All Sensors are 5k. Refer to thermistor chart on following for resistance and temperature deviation.
4. Replace sensor if open or if resistance values deviate by more than 10% of the listed values.
MODEL
CCF05B10A
CCF06B10A
CCF08B10A
CCF10B10A
CCF12B10A
CCW06B10B
CCW08B10B
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TROUBLESHOOTING

RT SENSOR IPT SENSOR (INDOOR COIL)
5kΩ /
5kΩ /
5kΩ /
5kΩ 5kΩ
5kΩ 5kΩ
5kΩ /
5kΩ /
IET SENSOR
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