Troubleshooting Guide • Homeowner Manual
19
No Heat
Possible Cause
Corrective Action
Heating system requires
service or thermostat
requires replacement.
Diagnostic: Press SYSTEM button to select
HEAT
and press
to raise the temperature setpoint
above room temperature. Within a few seconds
the thermostat should make a soft click sound.
This sound usually indicates the thermostat is
operating properly. If the thermostat does not
click, try the reset operation described on page
17. If the thermostat does not click after being
reset, contact your installing contractor for a
replacement. If the thermostat clicks, contact the
furnace manufacturer or your HVAC contractor to
verify the heating is operating correctly.
No Cool
Possible Cause
Corrective Action
System Switch not set
to COOL.
Press SYSTEM button to select
COOL
and press
to lower the temperature setpoint below room
temperature.
Loose connection to
thermostat or system.
Verify thermostat and system wires are securely
attached.
Outdoor unit disconnect
or breaker tripped
Verify the outdoor unit disconnect or breaker has
not been tripped.
Содержание Comverge IntelliTEMP 900
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