Honeywell t7100f User Manual

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7
T7100F MICROELECTRONIC CONVENTIONAL OR HEAT PUMP THERMOSTAT
3. Press the increase ▲ key again to display the
software identification code.
(Example: 02 = software ID code 2)
4. Press the increase ▲ key again to display the
software revision number.
(Example: 001 = revision number 1)
5. Press the increase ▲ key again to display the
EEPROM identification code.
(Example: 222 = EEPROM ID 222)
M6787
M6788
M4866
6. Press and hold both the increase ▲ and the
decrease ▼ keys, until the room temperature is
displayed, to exit the Self-Test. The Self-Test times
out after five minutes without any key presses.
TROUBLESHOOTING GUIDE
Symptom Possible Cause Action
Display does not
come on.
Thermostat is not powered. • Check that X terminal is connected to the system
transformer.
• Check for 24 Vac between X and R or RH terminals.
— If missing 24 Vac:
— Check if the circuit breaker is tripped—reset the
circuit breaker.
— Check if the system fuse is blown—replace the
fuse.
— Check if the power switch on the HVAC equipment
is in the Off position—set to the On position.
— Check the wiring between the thermostat and the
HVAC equipment—replace any broken wires and
tighten any loose connections.
— If 24 Vac is present, proceed with troubleshooting.
Thermostat microprocessor is
locked up.
Remove the thermostat from the subbase for 2 minutes. After
2 minutes, replace the thermostat on the subbase.
Temperature
display is incorrect.
Room temperature display has
been reconfigured.
Enter Installer Setup 37 and reconfigure the display.
Thermostat is configured for °F
or °C display (select models).
Enter Installer Setup 14 and reconfigure the display.
Bad thermostat location. Relocate the thermostat.
Display shows two dashes and
a degree sign.
Installer Setup 22 is set for remote sensing and the sensor is
missing or the circuit is open or shorted.
Temperature
settings will not
change. (Example:
Cannot set
heating
higher or cooling
lower.)
Upper or lower temperature
limits were reached.
Check the temperature setpoints:
• Heating limits are 40 to 90°F (7 to 31°C).
• Cooling limits are 45 to 99°F (9 to 37°C).
(continued)

Honeywell t7100f Specifications

General

Brand	Honeywell
Model	t7100f
Category	Thermostat
Language	English