E28.2.2.x - Error from SSR temperature sensor for boiler heater

Product line: maxx pro

Error from SSR temperature sensor for boiler heating element,
short circuit to frame MUX2: SSR temperature sensor for boiler heating element

LEVEL 1

Possible reason for fault	Corrective action
The software setting is incorrect	Have a software update performed If the error still appears, contact the responsible service partner (make a note of the message on the display)