Owner's Manual

15 69-0628B—1
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 .
— pilot flame. May be out. Relight pilot flame per furnace manufacturer’s
instructions.
— thermostat connections. Turn Off power to furnace. Check for correct
terminal hookups. Repair any frayed or broken
wires. Firmly tighten all terminal screws. Turn
power On.
1 Applicable to heating-cooling subbase only.
Continued
Troubleshooting
Your Honeywell thermostat requires little or no attention. Most problems can generally be traced
to the following: