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Troubleshooting Guide - Honeywell 32207484 Owner's Manual

Deluxe programmable thermostat
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DELUXE PROGRAMMABLE THERMOSTAT

TROUBLESHOOTING GUIDE

Symptom
Display will not come
on.
Temperature settings
will not change
(Example: cannot set
the heating higher or
the cooling lower).
"Filter" flashing in
display.
Heating will not come
on.
Cooling will not come
on.
System on indicator
(flame=heat,
snowflake=cool) is lit,
but no warm or cool air
is coming from the
registers.
69-1400—1
• Check if the thermostat is mounted and latched on the
wallplate—mount and latch the thermostat on the
wallplate.
• Check if the circuit breaker is tripped—reset the circuit
breaker.
• Check if the fuse is blown—replace the fuse.
• Check if the system switch at the equipment is in the Off
position—set to On position.
• Check wiring between thermostat and HVAC equipment—
replace any broken wires.
• If 24 Vac is present, proceed with troubleshooting.
• Check that the temperature setpoints are:
- heating: 40 to 90°F (7 to 31°C)
- cooling: 45 to 99°F (9 to 37°C).
• Indicates a filter timer needs to be reset.
- See Viewing and Resetting Timer Settings instructions.
• Check that setpoint is above room temperature.
• Check if the circuit breaker is tripped—reset the circuit
breaker.
• Check if the fuse is blown—replace the fuse.
• Check if the system switch at the equipment is in the Off
position—set to On position.
• If 24 Vac is present, proceed with troubleshooting.
• Wait five minutes for the system to respond.
• Set system selection to Heat.
• Check that setpoint is below room temperature.
• Check if the circuit breaker is tripped—reset the circuit
breaker.
• Check if the fuse is blown—replace the fuse.
• Check if the system switch at the equipment is in the Off
position—set to On position.
• If 24 Vac is present, proceed with troubleshooting.
• Wait five minutes for the system to respond.
• Set system selection to Cool.
Wait a minute after seeing the flame or snowflake and then
check the registers.
18
Action

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