Troubleshooting - Honeywell Q682 User Manual

Troubleshooting

Your Honeywell thermostat requires little or no attention. Most problems can generally be traced to
the following.
Problem
No heat.
2
Check
— System switch may be in OFF
or COOL position.
— Fuse or circuit breaker.
— Furnace power switch may be
OFF.
— Pilot flame may be out.
— Thermostat connections.
— Other.
Action
Move system switch to HEAT position.
If blown or tripped, replace fuse or
reset breaker.
Move switch to ON .
Relight pilot flame according to furnace
manufacturer instructions.
Turn off power to furnace. Check for
correct terminal hookups. Repair any
frayed or broken wires. Firmly tighten
all terminal screws. Turn on power.
Contact a qualified service technician
for assistance.
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(continued)
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