Honeywell commercialpro tb7220 ユーザーズマニュアル

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TB7220 COMMERCIALPRO™ PROGRAMMABLE THERMOSTAT
23
63-2635—03
Heating equipment is running in 
the cool mode.
Heating equipment is not a heat pump but 
System Type (ISU 0170) is set to Heat 
Pump.
Set System Type (ISU 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 (ISU 0170) is set to Heat 
Pump.
Set System Type (ISU 0170) to match the 
installed heating and/or cooling equipment.
Cannot set the system setting to 
Heat.
System Type (ISU 0170) is set to Cool 
Only.
Set System Type (ISU 0170) to match the 
installed heating and/or cooling equipment.
Cannot set the system setting to 
Cool.
System Type (ISU 0170) is set to Heat 
Only or Heat Only with Fan.
Set System Type (ISU 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.
“Screen Locked” appears on the 
screen and all or some of the 
keys do not respond.
The keypad is fully or partially locked.
Check ISU 0670 to change keypad locked 
options.
Table 11. Troubleshooting. (Continued)
Symptom
Possible Cause
Action