What Do The Codes And Symbols Mean On The Front Of The Boiler?

The setting of hot water temperature

'+/- function (iC Range only)

(ancillary function: Scroll and +/- function)

The setting of boiler temperature

(max flow temperature) +/- function

(ancillary function: OK and escape)

Eco-function DHW on/off. (iC Range only)

Press for 6 seconds for boiler information

Reset Button

Commissioning function (Do not use. For service purposes only)

Pump function (Press both – buttons for 6 seconds) (iC & iS-Range only)

Visible when the DHW program is active

Flashing when there is a heat demand for DHW (iC Range only)

Visible when the heating program is active

Flashing when there is a heat demain for heating

Visible when the boiler is active for heating or DHW

Visible when the DHW comfort function is not active

Error indication (accompanied by a code)

Service-mode or blocking

Visible when the pump is set to continuously

Flashing when the frost program is active (iC & iS Range only)

Error Codes:

Blocking Code with a Spanner symbol 

Error is temporary and will clear itself or will lock the boiler after several attempts (error)

Error Code with bell symbol 

The boiler is locked and can only be remedied by a reset and/or intervention by a service technician