Honeywell COMMERCIALPRO TB7220U - Manual (Page 15)

TB7220U COMMERCIALPRO™ PROGRAMMABLE THERMOSTAT
15 62-0221—05
Fan does not turn on in a call
for heat (electric furnace). Fan Control in Heating is set to Gas or
Oil Furnace (Setting 0180). Set Fan Control in Heating to Electric
Furnace (Setting 0180).
Heating equipment is running
in the cool mode. Heating equipment is not a heat pump
but System Type (Installer Setup
Number 0170) is set to Heat Pump. Set System Type (Installer Setup Number
0170) to match the installed heating and/or
cooling equipment.
Heating equipment does not
turn off and heat temperature
setting is set below room
temperature (Heat On is not in
the display). Heating equipment is not a heat pump
but System Type (Installer Setup
Number 0170) is set to Heat Pump. Set System Type (Installer Setup Number
0170) to match the installed heating and/or
cooling equipment.
Cannot set the system setting
to Heat. System Type (Installer Setup Number
0170) is set to Cool Only. Set System Type (Installer Setup Number
0170) to match the installed heating and/or
cooling equipment.
Cannot set the system setting
to Cool. System Type (Installer Setup Number
0170) is set to Heat Only or Heat Only
with Fan. Set System Type (Installer Setup Number
0170) to match the installed heating and/or
cooling equipment.
Heat On is not in the display. System setting is not set to Heat and/or
temperature setting is not set above
room temperature. Set the system setting to Heat and set the
temperature setting above the room
temperature.
Cool On is not in the display. System setting is not set to Cool and/or
the temperature setting is not set below
room temperature. Set the system setting to Cool and set the
temperature setting below the room
temperature.
Wait is in the display. Compressor minimum off timer is
active. Wait up to five minutes for the cooling or
heating (heat pump) equipment to turn on.
Table 7. Troubleshooting. (Continued)
Symptom Possible Cause Action