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Idiomas disponibles
Idiomas disponibles
Troubleshooting
If you have difficulty with your thermostat, please try the following suggestions.
Most problems can be corrected quickly and easily.
Display is
blank
Heating
or cooling
system does
not respond
Temperature
settings do
not change
"Cool On" or
"Heat On" is
flashing
Electrical Ratings
Terminal
W Heating
W2 (Aux) Heating (PSTSN21AWH only)
E Emergency Heat (PSTSN21AWH only)
Y Compressor Stage 1
G Fan
O/B Changeover
• Check circuit breaker and reset if necessary.
• Make sure power switch for heating & cooling system is
on.
• Make sure furnace door is closed securely.
• Make sure fresh AA alkaline batteries are correctly
installed (see page 3).
• Press Mode button to set system Heat (see page 2).
Make sure the desired temperature is set higher than the
inside temperature.
• Press Mode button to set system Cool (see page 2).
Make sure the desired temperature is set lower than the
inside temperature.
• Check circuit breaker and reset if necessary.
• Make sure power switch for heating & cooling system is
on.
• Make sure furnace door is closed securely.
• Wait 5 minutes for the system to respond.
• If you are in the correct mode, but you cannot set the heat
from 40 °F to 90 °F (4.5 °C to 32 °C), or set the cool from
50 °F to 99 °F (10 °C to 37 °C), you may have range-stops
restricting your setting. Check with the installer to see if
they set range-stops.
• Compressor protection feature is engaged. Wait 5
minutes for the system to restart safely, without damage
to the compressor (see page 2).
Voltage (50 Hz/60 Hz)
20 Vac - 30 Vac
20 Vac - 30 Vac
20 Vac - 30 Vac
20 Vac - 30 Vac
20 Vac - 30 Vac
20 Vac - 30 Vac
5
Running Current
0.02 A - 1.0 A
0.02 A - 1.0 A
0.02 A - 0.5 A
0.02 A - 1.0 A
0.02 A - 0.5 A
0.02 A - 0.5 A
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