30
If the controller detects a malfunction, the red light
fl
ashes and the warning symbol also appears in the
display. If the error is no longer present, the warning
symbol changes to an info symbol and the red light
no longer
fl
ashes.
To obtain more detailed information on the error,
press the key under the warning or info symbol.
Possible error messages:
Sensor x defective -------------------
--->
Time&date ----------------------------->
Notes for the specialist:
Means that either the sensor, the sensor input at the
controller or the connecting cable is/was defective.
(Resistance table on page 5)
This display appears automatically after a mains
failure because the time&date have to be checked,
and reset if necessary.
((LED
fl
ashes +
warning symbol)
Do not try to deal with this yourself. Con-
sult a specialist in the event of an error!
Danger
Malfunctions
Z.1 Malfunctions with error messages