VisionPRO TM 8000 Touchscreen Programmable Thermostat
Table 14. Troubleshooting. (Continued)
Symptom Action
Heat pump puts out cool air in Set Changeover Valve (installer Setup
the heat mode and warm air in Number 0190) to match the changeover
the cool mode. required by the installed heat pump.
Both the heating and cooling
equipment are running at the
same time.
Possible Cause
Changeover Valve (Installer Setup
Number 0190)is not configured to
match the changeover required by the
installed heat pump.
The heating equipment is not a heat
pump but the System Type (installer
Setup Number 0170) is set to Heat
Pump.
Heating and cooling wires are shorted
together.
Heating equipment is not a heat pump
but System Type (installer Setup
Number 0170) is set to Heat Pump.
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.
Separate the shorted heating and cooling
wires.
Heating equipment is running Set System Type (installer Setup Number
in the cool mode. 0170) to match the installed heating and/or
cooling equipment.
Heating equipment does not Set System Type (installer Setup Number
turn off and heat temperature 0170) to match the installed heating and/or
setting is set below room cooling equipment.
temperature (Heat On is not in
the display).
Cannot set the system setting System Type (installer Setup Number Set System Type (installer Setup Number
to Heat. 0170) is set to Cool Only. 0170) to match the installed heating and/or
cooling equipment.
Cannot set the system setting System Type (installer Setup Number Set System Type (installer Setup Number
to Cool. 0170) is set to Heat Only or Heat Only 0170) to match the installed heating and/or
with Fan. cooling equipment.
Heat On is not in the display. System setting is not set to Heat and/or Set the system setting to Heat and set the
temperature setting is not set above temperature setting above the room
room temperature, temperature.
Cool On is not in the display. System setting is not set to Cool and/or Set the system setting to Cool and set the
the temperature setting is not set below temperature setting below the room
room temperature, temperature.
Wait is in the display. Compressor minimum off timer is Wait up to five minutes for the cooling or
active, heating (heat pump) equipment to turn on.
"Screen Locked" appears on The keypad is fully or partially locked. Check installer Setup Number 0670 to
the screen and all or some of change keypad locked options.
the keys do not respond.
39 68-0280
To Next Page
Loading...
