Thermostat Information; Outdoor Temperature Sensor (Select Models); Troubleshooting Guide - Honeywell Tradeline T8611M Installation Instructions Manual

THERMOSTAT INFORMATION

1. Press the Time
information.
2. Press the increase
date code. The first two large digits are the month
and the third digit is the last digit of the year
(Example: 027=February 1997).
3. Press the increase
software identification code (Example: 02 =
software ID code 2).

TROUBLESHOOTING GUIDE

Symptom
Display will not Thermostat is not being
come on. powered.
Temperature Room temperature display has
display is incorrect. been reconfigured.
Thermostat is configured for F
or C display.
Bad thermostat location.
The upper or lower temperature
Temperature
limits were reached.
settings will not
change. (Example:
Cannot set the
heating higher or
The setpoint temperature range
the cooling lower.)
stops were configured.
key to access the thermostat
key to display the production
key again to display the
Possible Cause
DELUXE PROGRAMMABLE HEAT PUMP THERMOSTAT
4. Press the increase
software revision number (Example: 001=Revision
number 1).
5. Press the increase
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EEPROM identification code (Example: 314 =
EEPROM ID 314).
6. Press the Run Program key to exit the system test.
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(The system-test times out after four minutes
without any key presses.)
CHECKOUT
Outdoor Temperature Sensor
(Select Models)
Allow the outdoor temperature sensor to absorb the
outdoor air for a minimum of five minutes before
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taking a reading.
• Check for 24 Vac between R and C 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 wiring between thermostat and HVAC
equipment—replace any broken wires and tighten
any loose connections.
— If 24 Vac is present, proceed with troubleshooting.
Enter Installer Setup number 37 and reconfigure the display.
Enter Installer Setup number 14 and reconfigure the display.
Relocate the thermostat.
Check the temperature setpoints:
• Heating limits are 40 to 90 F (4.5 to 32 C).
• Cooling limits are 48 to 99 F (7 to 37 C).
Check Installer Setup numbers 34 and 35 and reconfigure the
setpoint stops.
9
key again to display the
key again to display the
Action
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(Continued)
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