If the status LED (ON/OFF) of the Lite thermostat blinks rapidly 5 times in red when touched, it means there is a communications fault between the thermostat and the control board. This issue prevents the zone from being controlled.

Check whether "Error 1" appears on the other thermostats (Blueface or Think) and whether the rest of the Lite thermostats also blink rapidly 5 times in red when touched. If so, the communications error is global to the system; proceed in the same way as in the following issue: The Think radio thermostat shows Error 1 - Communications fault between thermostat and control board.

If the error is localized in this zone, check the thermostat's signal coverage with the control board. To do this, move the thermostat closer to the control board; if it then recovers communications, it will need to be relocated as it was out of range.

If, despite having the thermostat near the control board, the error does not disappear, check that the Lite thermostat zone is not duplicated on another Lite thermostat (i.e. two Lite thermostats with the same microswitch configuration). If that is the case, you must change the address and set the correct one (How do I change the damper associated with a zone with a Lite thermostat?). Also check the battery by swapping it with another (or with one from a working thermostat) and re-open the radio channel.

If that is not the case, release the Lite thermostat and re-associate it. You can follow the steps indicated at: How can I reset a zone with a Lite thermostat? and How do I associate a Lite radio thermostat?

If the problem persists, restart the entire system and re-associate it (How do I reset the entire system?).

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