red light
2
Normal Operation
No Power
Check transformer and R, C connections.
Connecting
PEARL is synchronizing with the thermostat.
No Communication
PEARL is unable to communicate with thermostat.
Verify R, C, D terminals are tightly screwed down at
PEARL and thermostat. Check that the R, C, D wires
match from PEARL to thermostat.
Damper Position Error
Damper feedback is indicating incorrect position.
Check damper, actuator and S1 (POS) signal.
Supply Temperature Error
Unable to read the supply temperature probe. Check
supply probe, wires, and terminal (T1).
Outside Temperature Error
Unable to read the outside temperature probe. Check
outside air probe, wires, and terminal (T3).
Reseting
24 VAC power has just been applied or losing power.
Check transformer and R, C connections.
green light
1
Blinking
Blinking
Off
Solid
Solid
Off
Off
Off
Off
1 Blink
every 2 seconds
Flashing
Solid
3 Blinks
every 2 seconds
Solid
Solid
Off
16
Status Lights During Normal Operation
