Alarm 212

This alarm means the Static Hot Water Temperature Upper sensor (SHWTU) has been detected faulty.
This sensor is located next to the upper heating element.

Check t6 value in the Info screen (Info) of the User Interface.

SHWTU.png

Is t6 between 30°F and 160°F (0°C and 70°C)?

Yes No

NOTICE: If Err is displayed, the value is not in the expected range.