Troubleshooting; Check Thermistors - Friedrich Chill Premiere Series 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
CCF06AB0A
CCF08B10A
CCF10B10A
CCF12B10A
CCF14B10A
UCT08B10A
UCT10B10A
UCT10B30A
UCT12B30A
UCT14B30A
CCW06B10B
CCW08B10B
CCW10B10B
CCW12B10B
CCW15B10B
CCW18B30B
CCW24B30B
21

TROUBLESHOOTING

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