Honeywell CT1500 Not applicable on heating-only model.

20 69-0333—6
Troubleshooting (continued)
Problem Check Action
No cooling.
(continued) — other problem. Contact a qualified service technician for assistance.
Timer does not run. — batteries may not have been
installed. Install as shown on page 10.
— level position of thermostat. Replace with two new AAA alkaline batteries
as shown on page 10.
Thermostat setting
and thermometer
reading disagree.
— area around thermostat for drafts
or radiant heat. Reinstall thermostat wallplate or subbase. Use a spirit level. Thermostat should be
about 5 ft [1.5m] above floor on an inside
wall. Contact qualified service technician for
change of location.
— calibration of thermometer. See instructions on page 22.
Not applicable on heating-only model.