White Rodgers 1F80-224 specifications Troubleshooting, Symptom Possible Cause Corrective Action

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TROUBLESHOOTING

Symptom

Possible Cause

Corrective Action

NoHeat/NoCool/NoFan

1. Blown fuse or tripped circuit breaker.

Replace fuse or reset breaker.

(common problems)

2.

Furnace power switch to OFF.

Turn switch to ON.

 

3.

Furnace blower compartment door or

Replace door panel in proper position to engage

 

 

panel loose or not properly installed.

safety interlock or door switch.

No Heat

1.

Pilot light not lit.

Re-light pilot.

 

2.

System Switch not set to Heat.

Set System Switch to Heat and raise setpoint

 

 

 

above room temperature.

 

3.

Loose connection to thermostat or system.

Verify thermostat and system wires are securely

 

 

 

attached.

 

4.

Furnace Lock-Out Condition. Heat may also

Many furnaces have safety devices that shut the

 

 

be intermittent.

system down when a lock-out condition occurs.

 

 

 

If the heat works intermittently contact the furnace

 

 

 

manufacturer or local service person for assistance.

 

5. Heating System requires service or

Diagnostic: Set System Switch to Heat and raise

 

 

thermostat requires replacement.

the setpoint above room temperature. Within a few

 

 

 

seconds the thermostat should make a soft click

 

 

 

sound. This sound usually indicates the thermostat

 

 

 

is operating properly. If the thermostat 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

 

 

 

service person to verify the heating system is

 

 

 

operating correctly.

No Cool

1.

System Switch not set to Cool.

Set System Switch to Cool and lower setpoint

 

 

 

below room temperature.

 

2.

Loose connection to thermostat or system.

Verify thermostat and system wires are securely

 

 

 

attached.

 

3.

Cooling System requires service or thermostat

Same procedure as diagnostic for No Heat

 

 

requires replacement.

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 if the compressor

 

 

 

lock-out option is selected in the configuration

 

 

 

menu (Item 6).

Heat, Cool or Fan Runs Constantly.

1.

Possible short in wiring.

Check each wire connection to verify they are

 

2.

Possible short in thermostat.

not shorted or touching together. No bare wire

 

3.

Possible short in Heat/Cool/Fan system.

should stick out from under terminal screws.

 

4.

Fan Switch set to Fan On.

Try resetting the thermostat. 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 operates correctly,

 

 

 

replace the thermostat.

Furnace Cycles Too Fast or Too Slow

1.

The location of the thermostat and/or the size

Item 2 in the Configuration Menu is the adjustment

(narrow or wide temperature swing)

 

of the Heating System may be influencing the

that controls the cycle rate. If an acceptable cycle

 

 

cycle rate.

rate is not achieved using the FA (Fast) or SL

 

 

 

(Slow) adjustment contact a local service person for

 

 

 

additional suggestions.

Cooling Cycles Too Fast or Too Slow

1.

The location of the thermostat and/or the size

The cycle rate for cooling is fixed and can not be

(narrow or wide temperature swing)

 

of the Cooling System may be influencing the

adjusted. Contact a local service person for

 

 

cycle rate.

suggestions.

Thermostat Setting and Thermometer

1.

Thermostat thermometer setting requires

The thermometer can be adjusted +/- 4 degrees as

Disagree

 

adjustment.

listed in item 7 of the Configuration Menu. No other

 

 

 

adjustment is possible.

Clock Loses or Gains Time

1.

Loss of power to thermostat and low batteries.

The thermostat will maintain its program in memory

 

 

 

even with no power/no batteries but the clock time

 

 

 

will be incorrect when power is restored. See No

 

 

 

Heat/No Cool/No Fan (common problems) above

 

 

 

for items to check in the system.

Heat or Cool Starts Early

1.

EMR activated

See Configuration Menu (Item 4).

Thermostat Does Not Follow Program

1.

AM or PM set incorrectly in program.

Check current clock and program settings including

 

2.

AM or PM set incorrectly on the clock.

the AM or PM designations for each time period.

 

3.

Voltage spike or static discharge.

If a voltage spike or static discharge occurs use the

 

 

 

Reset Operation listed above.

Blank Display and/or Keypad Not

1.

Loss of power and dead batteries.

Replace batteries and check heat/cool system for

Responding

2. Voltage Spike or Static Discharge.

proper operation. If a voltage spike or static discharge

 

 

7

occurs use the Reset Operation listed above.

 

 

 

Image 7
Contents Part no -6350C PrecautionsSpecifications DescriptionCheck Thermostat Operation InstallationRemove OLD Thermostat Attach Thermostat Base to WallCooling System Heating SystemDisplay Configuration MenuThermostat Buttons and Switches OperationProgramming Your Thermostat Operating FeaturesPlanning Your Program Entering Your Program TroubleshootingCheck Your Programming Symptom Possible Cause Corrective Action Troubleshooting