TEC22x2-3 L
ON
W
ORKS
® Networked Heat Pump Thermostat Installation Instructions
17
Thermostat does
not call for cooling
Wrong mode
selected
Select cooling mode.
Thermostat in
Unoccupied mode
Select Override to force the thermostat Occupied cooling setpoint.
Anticycle delay
active
Wait, the anticycling period must end before the equipment can start.
Cooling setpoint is
satisfied
Lower the cooling setpoint.
Cooling lockout
attained
Mode is locked out based on outside air temperature.
Change configuration parameter
C Lock
to value -40 °F (-40 °C) to by-pass
lockout.
Wiring error
Start the fan by forcing the Fan ON mode.
Put a jumper across terminals RC & Y1. The cooling should come ON. If it
does not, verify wiring.
The thermostat
does not turn on
the fan
Wiring error
Start the fan by forcing the Fan ON mode.
Put a jumper across terminals RC & G. The fan should come ON If it does not,
verify wiring.
Digital display
shows missing
digits or erratic
segments
Defective display
Replace the thermostat.
Auxiliary heat does
not operate
Wrong mode
selected
Select Emergency Heat mode.
Thermostat in
Unoccupied mode
Select Override to force the thermostat Occupied heating setpoint.
Heating setpoint is
satisfied
Raise the Heating setpoint.
Anticycle delay
active
Wait, the anticycling period must end before the equipment can start.
High balance point
attained
Mode is locked out based on outside air temperature.
Change configuration parameter
High BP
to value 90°F (32°C) to by-pass
lockout.
Heating lockout
attained
Mode is locked out based on outside air temperature.
Change configuration parameter H Lock to value 120°F (49°C) to by-pass
lockout.
Wiring error
Start the Fan by forcing the Fan ON mode.
Put a jumper across terminals RH & W1. The heating should come ON. If it
does not, verify wiring and check if a jumper is required between RC & RH.
Wrong reversing
valve configuration
Wrong selection of parameter
Re Valve
.
Select O to energize the valve in cooling
o
peration. Valve is normally heat.
Select B to energize the valve in heating operation. Valve is normally cool.
Table 8: Troubleshooting Details (Part 2 of 3)
Symptom
Cause
Solution(s)
