Owner's Manual

19 69-0574—2
Troubleshooting
(continued)
3
Problem Check Action
Thermostat setting
and thermometer
reading disagree
(continued).
calibration of thermometer. See instructions on page 24.
Clock does not run. thermostat connections at
the two C terminals. If no
connections, clock needs
batteries in order to run.
Batteries may not have been
installed.
Batteries may need replacement
Install as shown on page 8.
Replace with two new AAA alkaline batteries
as shown on page 8.
if new batteries are installed and
clock still does not run.
Replace thermostat.
voltage across the two C
terminals.
Remove thermostat from the wallplate or
subbase and measure the voltage. Refer to
the table on page 22 for cause and reaction.
(continued)