Sea Breeze STS32 Manual page 51

STS32/STS32H Touchscreen Programmable Thermostat
Table 10. Troubleshooting. (CONTINUED)
Symptom Possible Cause
Loose or broken wire connection
Cooling does not turn on (Cool
between thermostat and cooling
On is solid in the display).
equipment.
Fan does not turn on in a call for heat Fan Control in Heating is set to Gas or
(electric furnace). Oil Furnace (Setting 0180).
Changeover Valve (Installer Setup
Heat pump puts out cool air in the heat
Number 0190) is not configured to match
mode and warm air in the cool mode.
the changeover required by the installed
heat pump.
The heating equipment is not a heat
pump but the System Type (Installer
Both the heating and cooling equipment Setup Number 0170) is set to Heat
are running at the same time. Pump.
Heating and cooling wires are shorted
together.
Heating equipment is not a heat pump
Heating equipment is running in the cool
but System Type (Installer Setup
mode.
Number 0170) is set to Heat Pump.
Heating equipment does not turn off and
Heating equipment is not a heat pump
heat temperature setting is set below
but System Type (Installer Setup
room temperature (Heat On is not in the
Number 0170) is set to Heat Pump.
display).
Action
Check for 24VAC between the cool
terminal (Y) and transformer common. If
Cannot set the system setting to Heat.
voltage is not present, check the wire
connection (loose or broken) between
the thermostat and the cooling
equipment.
Cannot set the system setting to Cool.
Set Fan Control in Heating to Electric
Furnace (Setting 0180).
Set Changeover Valve (Installer Setup
Number 0190) to match the changeover
required by the installed 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.
Set System Type (Installer Setup
Number 0170) to match the installed
Screen Locked appears on the screen
heating and/or cooling equipment.
Set System Type (Installer Setup
Number 0170) to match the installed
heating and/or cooling equipment.
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STS32/STS32H Touchscreen Programmable Thermostat
Table 10. Troubleshooting. (CONTINUED)
Symptom Possible Cause
System Type (Installer Setup Number
0170) is set to Cool Only.
System Type (Installer Setup Number
0170) is set to Heat Only or Heat Only
with Fan.
System setting is not set to Heat and/or
Heat On is not in the display. temperature setting is not set above
room temperature.
System setting is not set to Cool and/or
Cool On is not in the display. the temperature setting is not set below
room temperature.
Wait is in the display. Compressor minimum off timer is active.
and all or some of the keys do not The keypad is fully or partially locked.
respond.
Action
Set System Type (Installer Setup
Number 0170) to match the installed
heating and/or cooling equipment.
Set System Type (Installer Setup
Number 0170) to match the installed
heating and/or cooling equipment.
Set the system setting to Heat and set
the temperature setting above the room
temperature.
Set the system setting to Cool and set
the temperature setting below the room
temperature.
Wait up to five minutes for the cooling or
heating (heat pump) equipment to turn
on.
Check Installer Setup Number 0670 to
change keypad locked options.
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