Troubleshooting Guide

10 | Page
2. Remove the ODT Sensor terminal and measure the resistance across the terminals to
make sure it is in the range shown in the table below depending on the temperature
outside. If the sensor is shorted (zero resistance) or open (infinite resistance), replace
the outdoor temperature sensor (8052).
3. Reinstall the terminal block on the User Interface Assembly and turn ON/OFF toggle
switch ON to reset the code.
Temp (°C)
Temp (°F)
Resistance
(kΩ)
0
32
32.6
10
50
19.8
20
68
12.5
30
86
8.1
40
104
5.3
60
140
2.5