Ferroli ECOTRONIC Plus Manual page 92

ECOTRONIC Plus
3. Messages:
If a malfunction occurs, a message is displayed in the display
of the controller:
Message"! Sensor broken" / "! Sensor short"
Control lamp flashes
Indication of a broken cable or a short-
circuit with indication of the respective
sensor.
Message "!DT too high"
A store has been loaded for a period of at
least 20 minutes with a DT of 50 K. Possi-
ble reasons are a defective pump, defective
valve or a calcified heat exchanger.
Message "!EEPROM"
Indicated as malfunction during memory
access. In this case, please switch-off the
controller for a while and then switch it
on again (please check all adjustments).
If the fault can be removed in this way,
it has been a matter of data communi-
cation. But if the fault is still present, the
controller should be returned to the
manufacturer.
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Message"? Non-ret. valve"
If the collector temperature is higher
than 40 °C between 11 p.m. and 5.00 a.m.
or the present temperature difference is
higher than the switch-on temperature
difference, this can indicate a heat return
current (e.g. due to defect of non-return-
valve).
This message is to be seen as a warning
and it should always be considered in re-
lation to the outdoor temperature.
Message "!RTC":
Indicates a malfunction of the real-time-
clock of the controller. Please switch-off
the controller for a while and then switch
it on again (please check the set time). If
the fault is still present, all temporarily
controlled functions and options are
disturbed. Emergency operation of the
system is guaranteed, but the controller
should be returned to the manufacturer.