Basic Trouble Shooting - Jackson Systems T-32-TS Touchscreen Thermostat Installation Manual

BASIC TROUBLE SHOOTING

SYMPTOM
No LCD display
Thermostat can
not be set for
auto changeover
Temperature display
is inaccurate
POSSIBLE FAULT AND REMEDY
If thermostat is battery powered only, remove battery
compartment and check to see that the positive (+) and
negative (-) ends of each battery are oriented properly. If
thermostat is hardwired, remove the thermostat from the
subbase and check for 24 Volts across terminals 'C' and 'R' . If
no voltage, fault could be equipment or wiring related.
In the Installer Options menu, set 5:FN=A or AO for
auto changeover.
- = Manual Changeover
A = Heat / Cool / Auto / Off
H = Heat / Off
C = Cool / Off
AO = Auto / Off
Air from wall cavity may be leaking into rear of
thermostat. Seal hole where wires enter subbase. Move
lamps or other sources of heat away from thermostat.
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