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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:
Содержание 19908AJ
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