Home > WHITE RODGERS > WHITE-RODGERS 1F86-0471 Blue Single 1 1 Stage Thermostat Instruction Manual
WHITE-RODGERS 1F86-0471 Blue Single 1 1 Stage Thermostat Instruction Manual
TROUBLESHOOTING
Reset Operation
Note: When thermostat is reset, installer configuration menu settings and programming will reset to factory settings.
If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation, you can reset the thermostat by removing
the wires from terminals R and C (do not short them together) and removing batteries for 2 minutes. After resetting the thermostat, replace the
wires and batteries. If the thermostat has been reset and still does not function correctly contact your heating/cooling service person or place
of purchase.
Note: Be sure to review the installer configuration menu settings.
To reset the programming, clock and configuration settings, press
go blank and then all segments will be displayed momentarily.
and
and the FAN button simultaneously. The thermostat should
Symptom
Possible Cause
Corrective Action
No Heat/No Cool/No Fan
(common problems)
1. Blown fuse or tripped circuit breaker.
2. Furnace power switch to OFF.
Replace fuse or reset breaker.
Turn switch to ON.
3. Furnace blower compartment door or
panel loose or not properly installed.
Replace door panel in proper position to engage safety inter-
lock or door switch.
4. Loose connection to thermostat or system. Tighten connections.
No Heat
1. Pilot light not lit.
Re-light pilot.
2. Furnace Lock-Out Condition. Heat
may also be intermittent.
Many furnaces have safety devices that shut down when
a lock-out condition occurs. If the heat works intermittently
contact the furnace manufacturer or local HVAC service
person for assistance.
3. Heating system requires service or
thermostat requires replacement.
Diagnostic: Set SYSTEM Switch to HEAT and raise the
setpoint above room temperature. Within a few seconds the
thermostat should make a soft click sound. This sound usu-
ally indicates the thermostat is operating properly. If the ther-
mostat does not click, try the reset operation listed above. If
the thermostat does not click after being reset contact your
heating and cooling service person or place of purchase for
a replacement. If the thermostat clicks, contact the furnace
manufacturer or a HVAC service person to verify the heating
is operating correctly.
No Cool
1. Cooling system requires service or
thermostat requires replacement.
Same as diagnostic for No Heat condition except set the
thermostat to COOL and lower the setpoint below the room
temperature. There may be up to a five minute delay before
the thermostat clicks in Cooling.
Heat, Cool or Fan
Runs Constantly
1. Possible short in wiring.
Check each wire connection to verify they are not shorted or
touching together. No bare wire should stick out from under
terminal block. Try resetting the thermostat as described
above. If the condition persists the manufacturer of your
system or service person can instruct you on how to test the
Heat/Cool system for correct operation. If the system oper-
ates correctly, replace the thermostat.
2. Possible short in thermostat.
3. Possible short in heat/cool/fan system.
4. FAN Switch set to Fan ON.
Thermostat Setting &
Thermostat Thermometer
Disagree
1. Thermostat thermometer setting
requires adjustment.
The thermometer can be adjusted +/- 4 degrees. See
Temperature Display Adjustment in the Configuration Menu
section.
Furnace (Air Conditioner)
Cycles Too Fast or Too
Slow (narrow or wide
temperature swing)
1. The location of the thermostat and/or
the size of the Heating System may
be influencing the cycle rate.
Digital thermostats provide precise control and cycle faster
than older mechanical models. The system turns on and off
more frequently but runs for a shorter time so there is no
increase in energy use. If you would like an increased cycle
time, choose SL for slow cycle in the Configuration menu,
step 6 (heat), 7 (cool) or 8 (heat pump). If an acceptable
cycle rate is not achieved, contact a local HVAC service
person for additional suggestions.
HOMEOWNER HELP LINE: 1-800-284-2925
White-Rodgers is a division
of Emerson Electric Co.
The Emerson logo is a
trademark and service mark
of Emerson Electric Co.
| General | Details |
|---|---|
| Name | WHITE-RODGERS 1F86-0471 Blue Single 1 1 Stage Thermostat Instruction Manual |
| Make | WHITE RODGERS |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.51 MB |
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