Honeywell T410B Thermostat User Manual


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T410A,B LINE VOLTAGE ELECTRIC HEAT THERMOSTATS
6 TROUBLESHOOTING
Your Honeywell thermostat requires little or no attention. Most problems can generally be traced to the following:
Symptom Checkout Action
No heat. Make sure power is on at
main service panel. Turn
the temperature setting
knob fully clockwise .
Heater should start to warm up within two minutes. If not,
contact qualified electrician to check thermostat and heater.
Improper connections to
thermostat.
With power to circuit OFF, tighten all wiring connections.
Repair any frayed or broken wires.
Other. Contact a qualified electrician for assistance.
Heater never turns
off.
Turn temperature setting
knob fully
counterclockwise .
Heater should start to cool within minutes. If not, turn off
power at the main service panel, and contact qualified
electrician.
Thermostat setting
and thermometer
reading disagree.
Thermostat affected by
drafts or radiant heat.
Contact electrician to change the location. The thermostat
should be about 5 ft (1.5m) above the floor and on an
inside wall.
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