WarmlyYours nSpiration Series of Radiant Heating Controls (OJ Microline thermostat) E2 Error message: "External wired floor sensor disconnected, defective, or short-circuited. Contact your installer for reconnection or replacement"

Error code "E2" on a WarmlyYours nSpiration Series Radiant Heating Controls (OJ Microline thermostat) means  there is a defective, damaged, or not connected floor sensor. Check connections or replace the sensor if necessary.

Tbhe floor sensor resistance should be in 8kΩ-15kΩ range and can be tested with a digital multimeter on a 20k scale. If the floor sensor resistance is out of range, it could be damaged. Please note, only one floor sensor can be connected to a single WarmlyYours nSpiration Series Radiant Heating Controls (OJ Microline thermostat).

Cause: Floor sensor is not connected to terminals C&D, defective or damaged
Solution:

Error code "E2" means defective, damaged, or not connected floor sensor. Check connections or replace the sensor if necessary.

Sensor resistance should be in 8kΩ-15kΩ range and can be tested with a digital multimeter on a 20k scale. If the sensor resistance is out of range, it could be damaged. Please note, only one floor sensor can be connected to a single thermostat.

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