63
Symptom
Problem
Solution
Heat/Cool
system does
not turn on
automatically.
Remote door/window switch is
holding SMART 3000 in OFF mode.
Close windows/door. Check
terminals DS and WC are
continuous with terminal COM.
PIR sensor malfunction
Check that terminal PIR is
continuous with terminal COM.
Replace if needed.
Heating or
cooling runs in
deadband.
SMART 3000 incorrectly set to HP
mode.
SMART 3000 keeps reversing valve
energized after heating/cooling has
stopped to limit decompression
noise from AC system.
Set Sw2 = OFF and retest
heating and cooling operation.
Compressor and reversing valve
wiring crossed in HP mode (Sw2
= ON).
Check C, R, W and Y for correct
connections.
SMART 3000
has no display.
Power failure or faulty SMART 3000 Check for 24V AC on the R and C
terminals.
Summary of Contents for SmartSense SMART 3000
Page 19: ...19 Figure 6 Figure 7...