DAB E1GI Installations- Und Wartungsanleitungen Seite 45

15.
TABLE WITH KEY OF ALARMS DISPLAYED IN THE
The key to the alarms, shown on the display of the "Pumps Controller" electronic control unit, is also included
in the adhesive plate affixed to the control unit (as indicated in the figure on page 41).
List of alarms
Pumps maintenance alarm
AL 1
Parameters error alarm
AL 2
Broken sensor general alarm
AL 4
Pumps thermal alarm
AL8P1
(AL8xx, where xx indicates
AL8P2
the pump in thermal alarm
AL8P3
status)
AL8P4
Danger pressure alarm
AL 32
Minimum level alarm
AL 64
List of pre-alarms
Water lack pre-alarm
H2O ?
WAIT
Attention: several alarms present are indicated one at a time.
ENGLISH
ELECTRONIC CONTROL UNIT
Description of type of alarm
Appears on exceeding the hours set in the parameter: Pumps
Maintenance Intervention.
Appears when, in the SetPoint Pressure parameter, a value is set that
is higher than the one inserted in the Danger Pressure parameter.
Appears when the sensor is absent, no longer connected.
Appears when the thermal protectors of the pump motors intervene.
Appears when the system pressure exceeds the pressure set in the
parameter: Danger Pressure.
Appears when the minimum pressure switch or the float, connected
to terminals 5 – 6, intervenes.
Description of type of pre-alarm
Appears when the pressure falls to a value lower than the value set
in the parameter: Minimum H2O Pressure.
The control unit makes 3 attempts to self-reset the protection and
blocks at the fourth attempt with manual reset.
The protection intervention times are 1 minute each.
In the first 3 interventions of the protection the message H2O ?
appears, at the fourth attempt the message AL 64 appears.
Appears when the pump starting time is shorter than that set in the
parameters:
Cnt.Strt.Pilot / Cnt.Strt.P2P3P4
43
"PUMPS CONTROLLER"