Why fan does not turn on in a call for heat (electric furnace) on my Honeywell TB7100A1000 MultiPRO Thermostat?
If the fan doesn't turn on during a call for heat with your Honeywell Thermostat (electric furnace), it might be because the Fan Control in Heating is set to System Controls Fan (Setting 0180). To resolve this, set Fan Control in Heating to Thermostat Controls Fan (Setting 0180).
Why is 'Cool On' not in the display of my Honeywell Thermostat?
If 'Cool On' is not displayed on your Honeywell Thermostat, make sure the system setting is set to Cool and the temperature setting is below the room temperature.
Why is 'Heat On' not in the display of my Honeywell TB7100A1000 MultiPRO Thermostat?
If 'Heat On' is not displayed on your Honeywell Thermostat, ensure that the system setting is set to Heat and that the temperature setting is set above the current room temperature.
Why can't I set the system setting to Cool on my Honeywell Thermostat?
If you cannot set the system setting to Cool on your Honeywell Thermostat, the System Type (ISU 0170) might be set to Heat Only or Heat Only with Fan. Set the System Type (ISU 0170) to match the installed heating and/or cooling equipment.
Why heating equipment does not turn off and heat temperature setting is set below room temperature on my Honeywell TB7100A1000 MultiPRO?
If your Honeywell Thermostat is causing the heating equipment to not turn off, and the heat temperature setting is below room temperature, it's possible that the System Type (ISU 0170) is incorrectly set to Heat Pump. Ensure that the System Type (ISU 0170) matches the installed heating and/or cooling equipment.
Why can't I set the system setting to Heat on my Honeywell TB7100A1000 MultiPRO?
If you cannot set the system setting to Heat on your Honeywell Thermostat, it's likely because the System Type (ISU 0170) is set to Cool Only. Change the System Type (ISU 0170) to match the installed heating and/or cooling equipment.
Why is heating equipment running in the cool mode on my Honeywell Thermostat?
If your Honeywell Thermostat is causing the heating equipment to run in cool mode, it's likely that the System Type (ISU 0170) is set to Heat Pump, even though the heating equipment isn't a heat pump. To fix this, set the System Type (ISU 0170) to match your actual heating and/or cooling equipment.
Why are both heating and cooling running at the same time with my Honeywell Thermostat?
If both the heating and cooling equipment are running simultaneously with your Honeywell Thermostat, it could be due to the System Type (ISU 0170) being incorrectly set to Heat Pump when the heating equipment is not a heat pump. Set the System Type (ISU 0170) to match the installed heating and/or cooling equipment. Another cause could be shorted heating and cooling wires; in this case, separate the shorted wires.
What causes a Honeywell Thermostat heat pump to put out cool air in heat mode?
If your Honeywell Thermostat-controlled heat pump puts out cool air in heat mode and warm air in cool mode, the Changeover Valve (ISU 0190) might not be configured correctly. Set the Changeover Valve (ISU 0190) to match the changeover required by the installed heat pump.
Why does my Honeywell TB7100A1000 MultiPRO say 'Wait'?
If your Honeywell Thermostat displays 'Wait', it means the compressor minimum off timer is active. Please wait up to five minutes for the cooling or heating equipment to turn on.
Step-by-step guide to modify the thermostat schedule settings.
How to view the existing programmed schedule for a specific day.
Configure system and fan modes for HVAC operation.
Temporarily holds temperature until a set time or next scheduled period.
Changes temperature setting until the next period takes effect.
Sets temperature for a designated number of days.
Displays temperature from a single remote sensor.
Displays average temperature from multiple remote sensors.
Entire interface is locked and non-functional.
Specific keys or functions are locked.
Locks schedule and system changes.
Locks schedule, system, and fan changes.
Locks all settings except Holiday and Override.
Initial calendar setup during first power-on.
Configures the first two digits of the current calendar year.
Configures the last two digits of the current calendar year.
Configures the current calendar month.
Configures the current calendar date.
Sets thermostat to programmable or non-programmable mode.
Selects temperature display unit (Fahrenheit or Celsius).
Enables or disables automatic DST adjustments.
Sets the number of programmable periods per day.
Selects between 12-hour and 24-hour clock format.
Exits advanced settings and returns to the main screen.
General| Display Type | LCD |
|---|---|
| Programmability | 7-Day Programmable |
| Fan Modes | Auto, On |
| Hold Feature | Yes |
| Filter Change Alert | Yes |
| Weight | 0.6 lbs |
| Type | MultiPRO |
| Power Source | 24VAC |
| Compatibility | Heat Pump systems |
| Stages | Up to 2 Heat/1 Cool Heat Pump |
| Terminal Designations | R, C, W, Y, G, Aux |
| Changeover | Manual |
| Operating Modes | Heat, Cool, Off |
| Voltage | 24VAC |
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