iT500 : Receiver Lights (1.3.4) .
Red Light The bottom switch will show a constant red light when the iT500RX Receiver is ready to pair. |
Green Light When the Receiver and the Thermostat are powered and paired the bottom light will be green. |
Blue Light The flashing blue light indicates a call for heat or hot water from the iT500 thermostat. |
Orange Light : Failsafe Mode An orange light indicates your receiver has lost communication with the thermostat. You will need to go through the pairing process again. |