Troubleshooting - Honeywell CT1500 Owner's Manual

Troubleshooting

Your Honeywell thermostat requires little or no attention. Most problems can generally be
traced to the following:
Problem
No heat.
Check
— system switch. May be in OFF or
COOL position.
1
— fuse or circuit breaker.
— furnace power switch. May be off.
— pilot flame (where applicable).
May be out.
— RH and W thermostat
connections.
Move system switch to HEAT position.
If blown or tripped, replace fuse or reset
breaker.
Move switch to ON.
Relight pilot flame per furnace manufacturer
instructions.
Turn off power to furnace. Check for correct
terminal hookups. Repair any frayed or
broken wires. Firmly tighten all terminal
screws.
17
Action
(continued)
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