
36
(LED fl ashes +
warning symbol)
Z.1
Malfunctions with error messages
Malfunctions
If the controller detects a malfunction, the
red light flashes 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 flashes.
To obtain more detailed information on the
error, press the key under the warning or
info symbol.
Possible error messages:
Notes for the specialist:
Sensor x defective .----------------> Means that either the sensor, the sensor input at
the controller or the connecting cable is defective.
(Resistance table see chap. B.2)
Collector alarm --------------------> Means that the collector has risen above the tem-
perature set in 5.7.
Restart ------------------------------> Means that the controller was restarted, for exam-
ple due to a power failure. Check the date&time!
Night circulation -------------------> Means that the solar pump is/was in operation
between 23:00 and 04:00.
Danger
Consult a specialist in the
event of an error!