Operating instructions

j) Querying the status of a door/window contact sensor (‘

FEnFEn

FEn’)

You can use the ‘

FEnFEn

FEn’ special function menu to request the current status of a ‘FHT80TF-2’

door/window contact sensor. You can also use this menu to newly register or delete door/

window contact sensors.

Proceed as follows to access the door/window contact sensor’s menu:

• Press the ‘PROG’ button until ‘

SondSond

Sond’ appears on the LCD.

• Using the scroller, select the special ‘

FEnFEn

FEn’ function.

• To confirm your selection, briefly press the ‘PROG’ button.

• The LCD shows the status of the door/window contact sensor stored at the first memory

location:

MO DI MI DO FR SA SO

Figure 35

The following status signals are possible:

‘

nAnA

nA’: Not registered, in other words, no door/window contact sen-

sor is registered to this memory location

‘

AUFAUF

AUF’ The window is open

‘

EAEA

EA’ Reception failure, in other words, no signals have been

received from the door/window contact sensor over a long

period of time

no display Window closed, reception OK

Battery symbol ‘

’ This door/window contact sensor’s batteries are low and

must be replaced

By turning the scroller you can select which of the four memory locations should be

displayed.

• Briefly press the ‘PROG’ button to quit the door/window contact sensor’s status indicator.

The heating control returns to the normal operating mode.