15 69-0432—1
Troubleshooting
Your Honeywell Trol-A-Temp® Thermostat requires little or no attention. Most problems can be
traced to the following.
(continued)
PROBLEM CHECK ACTION
No heat. —system switch. May be in OFF or
COOL position. 1
Move system switch to HEAT
position.
—fuse or circuit breaker. If blown or tripped, replace fuse or
reset breaker.
—furnace power switch. May be Off. Move switch to ON.
—heating equipment for proper
operation. See manufacturer’s instructions.
—thermostat connections. Turn Off power. Check for correct
terminal hookups. Repair any frayed
or broken wires. Firmly tighten all
terminal screws.
—airflow at register. Zone damper
may be closed. If damper is closed, contact a
qualified service technician for
assistance.