Troubleshooting - Honeywell T8095A/191108AJ Owner's Manual

Heating-only thermostat and wallplate or heating/cooling thermostat and subbase
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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.
Action
Move system switch to HEAT position.
See page 8.
If blown or tripped, replace fuse or reset
breaker.
Move switch to ON .
Relight pilot flame according to furnace
manufacturer's 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.
15
(Continued)
69-0639—1

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