Status
This is a critical alarm, the unit will not operate in any mode.
Description
This code is displayed anytime the EcoNet Smart Thermostat has an older version of firmware released prior to the M1/2023 Product release.
Expected Operation
No operation, including the thermostat will be permitted.
Cause
The Econet Control Center/Thermostat must be an 800 series thermostat and needs to have firmware version 3.2.2 or newer loaded. It must be upgraded or replaced.
Solution
Upgrade EcoNet Smart Thermostat to latest version of firmware. (Replace Thermostat)