Why are both the HEAT and COOL LEDs blinking on my Lennox LZP-4 Control Panel?
If both the HEAT and COOL LEDs are blinking on your Lennox Control Panel, it indicates that an open or short in the DAS sensor has been detected. Install or repair the sensor.
General| Brand | Lennox |
|---|---|
| Model | LZP-4 |
| Category | Control Panel |
| Language | English |
Explains how the LZP-4 system increases comfort by directing conditioned air to separate zones based on thermostat settings.
Provides step-by-step instructions for initiating a heating call by setting the thermostat to Heat mode and adjusting the set point.
Provides step-by-step instructions for initiating a cooling call by setting the thermostat to Cool mode and adjusting the set point.
Details the two options for operating Emergency Heat, dependent on thermostat installation and control panel settings.
Explains how dampers serve calling and non-calling zones and the meaning of zone damper LEDs.
Describes how the control panel manages fan operation from any zone and the 'Fan On' LED indicator.
Outlines the procedure for shutting down the system by setting all thermostats to OFF mode.
Provides guidance on thermostat replacement, emphasizing compatibility and the need for a 'C' terminal.
To Next Page
