Alarm 105

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.
If the Alarm 102 is also displayed, switch directly to the associated page.

Check t6 value in the Info screen (Info) of the Touchscreen.

NOTICE: If Err is displayed, the value is out of range and can be considered above 165°F (75°C).