ClimateMaster Tranquility Digital DXM2 - Verifying a Thermistor

Tranquility
®
Digital (DXM2)—Troubleshooting Guide
Rev.: 10 March, 2015
40
Geothermal Heating and Cooling
1) Clamp on digital to read ref next to LT1 to verify sensor
Verifying a Thermistor
B-B
2) Remove this Molex plug to check resistance of the FP1/
LT1 sensor
3) Clamp on the meter close to the sensor location
4) Temperature reading
5) Resistance reading