White Rodgers 1F85-275 No Cool, Heat, Cool or Fan, Runs Constantly, Furnace, Air Conditioner

Page 11

 

 

 

 

 

TROUBLESHOOTING

 

 

 

 

 

Symptom

 

Possible Cause

 

Corrective Action

 

 

 

 

 

 

 

No Cool

 

1. SYSTEM button not pressed to COOL.

 

Press SYSTEM button to COOL and lower setpoint

 

 

 

 

below room temperature.

 

 

2. Loose connection to thermostat or

 

Verify thermostat and system wires are securely

 

 

system.

 

attached.

 

 

3. Cooling system requires service or

 

Same procedure as diagnostic for No Heat condition

 

 

thermostat requires replacement.

 

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

 

1. Possible short in wiring.

 

Check each wire connection to verify they are not

Runs Constantly

 

2. Possible short in thermostat.

 

shorted or touching together. No bare wire should

 

 

3. Possible short in heat/cool/fan

 

stick out from under terminal screws. Try resetting

 

 

system.

 

the thermostat as described above. If the condition

 

 

4. FAN Switch set to Fan On.

 

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 operates

 

 

 

 

correctly, replace the thermostat.

 

 

 

 

 

Furnace

 

1. The location of the thermostat and/or

 

Digital thermostats normally provide precise

(Air Conditioner)

 

the size of the Heating System may

 

temperature control and may cycle faster than some

Cycles Too Fast

 

be influencing the cycle rate.

 

older mechanical models. A faster cycle rate means

or Too Slow (narrow or

 

 

 

the unit turns on and off more frequently but runs for

wide temperature swing)

 

 

 

a shorter time so there is no increase in energy use.

 

 

 

 

If you would like to increase the cycle time, choose

 

 

 

 

SL for slow cycle in the menu, step 4. If an accept-

 

 

 

 

able cycle rate is not achieved as received or by

 

 

 

 

choosing slow cycle, contact a local service person

 

 

 

 

for additional suggestions.

 

 

 

 

 

Thermostat Setting &

 

1. Thermostat thermometer setting

 

The thermometer can be adjusted +/- 4 degrees.

Thermostat Thermometer

 

requires adjustment.

 

See Temperature Display Adjustment in the

Disagree

 

 

 

Configuration Menu section.

 

 

 

 

 

Blank Display and/or

 

1. Voltage spike or static discharge.

 

Use the Reset Operation at top of previous page.

Keypad Not Responding

 

 

 

 

 

 

 

 

 

 

Heat Setpoint will

 

1. The desired setpoint conflicts with the

 

Change system mode to COOL. Raise the Cool

not Respond to the

 

setpoint of the COOL mode.

 

setpoint. Return to HEAT mode and set desired

Temperature Up Key

 

 

 

temperature.

 

 

 

 

 

Cool Setpoint will

 

1. The desired setpoint conflicts with the

 

Change system mode to HEAT. Lower the Heat

not Respond to the

 

setpoint of the HEAT mode.

 

setpoint. Return to COOL mode and set desired

Temperature Down Key

 

 

 

temperature.

 

 

 

 

 

Forgot Keypad

 

 

 

CAUTION: This resets the thermostat to factory

Lockout Code

 

 

 

default settings of the configuration menu. After

 

 

 

 

performing this reset, the thermostat will require

 

 

 

 

configuration again. Be sure that you know the

 

 

 

 

required configuration settings before resetting.

 

 

 

 

With the thermostat in any mode, press and at

 

 

 

 

the same time to enter the configuration menu at the

 

 

 

 

point where the lockout code is to be entered. Press

 

 

 

 

and and SYSTEM button at the same time to

 

 

 

 

reset the lockout code, unlock the keypad and reset

 

 

 

 

all configuration menu settings.

 

 

 

 

 

Why won’t my 2nd or

 

First stage is keeping up with demand.

 

Your thermostat is designed to determine the optimum

3rd stage come on?

 

 

 

time to activate the second stage. Simply raising the

 

 

 

temperature in heating or lowering it in cooling will not

 

 

 

 

 

 

 

 

always force the thermostat to bring the second stage

 

 

 

 

on quickly. There is a time delay from 0-30 minutes

 

 

 

 

depending on the performance of the first stage of the

 

 

 

 

system.

 

 

 

 

 

 

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Contents Removing OLD Thermostat PreparationsElectric/Gas Switch Fan Option Mounting and WiringSingle Stage/Multi-Stage Connections No Heat Pump Wiring DiagramsHeat Pump Connections Fan Operation Check Thermostat OperationOperation Configuration MenuINSTALLER/CONFIGURATION Menu Select Fast Second Stage on or OFF not available SpecificationsPlanning Your Program Second Stage Time DelayAutomatic System Changeover Manual OperationEnter Heating Program Entering Your ProgramEnter Cooling Program TroubleshootingTemperature Down Key Wide temperature swingThermostat Setting Temperature Up KeyFAQ

1F85-275 specifications

The White Rodgers 1F85-275 is a versatile and innovative thermostat designed to provide homeowners with precise control over their heating and cooling systems. Its user-friendly interface and advanced technologies make it a popular choice for those looking to optimize their indoor climate efficiently.

One of the standout features of the 1F85-275 is its ability to control both heating and cooling systems, making it an all-in-one solution for year-round comfort. This thermostat is compatible with a wide range of HVAC systems, including gas, oil, electric, and heat pump systems. This compatibility ensures that homeowners can easily integrate the 1F85-275 into their existing setup without the need for extensive modifications.

A key characteristic of the 1F85-275 is its large, easy-to-read display. The digital interface allows users to view and adjust the temperature settings effortlessly. Additionally, the backlit display makes it convenient to read in low-light conditions, ensuring that adjustments can be made at any time of the day.

The 1F85-275 incorporates advanced scheduling capabilities, allowing homeowners to set specific temperature programs for different times of the day and days of the week. This feature promotes energy efficiency by enabling users to reduce heating or cooling when they are not at home or during sleeping hours. The intuitive programming options make it easy to customize settings according to individual preferences and lifestyles.

Another notable technology feature is the thermostat’s adaptive recovery capability. This technology automatically learns how long it takes for the home to reach the desired temperature, allowing it to start heating or cooling ahead of time. This ensures the home reaches the set temperature at the designated time, providing maximum comfort when needed most.

Moreover, the 1F85-275 includes a filter change indicator, reminding users when it’s time to replace or clean air filters. This not only enhances the efficiency of the HVAC system but also contributes to better indoor air quality.

The thermostat is also designed with energy-saving features in mind. Its precise temperature control and scheduling options can lead to significant savings on energy bills over time. With easy installation and clear instructions, users can have their 1F85-275 up and running in no time, making it an excellent choice for both tech-savvy users and those new to smart home technology.

In summary, the White Rodgers 1F85-275 combines user-friendly features, advanced technology, and energy-efficient operation, making it a compelling choice for homeowners seeking to enhance their indoor comfort while keeping energy costs in check.
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