DAB E.Sybox mini 3 Instrucciones Para La Instalación Y El Mantenimiento página 74

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Solving typical problemsi
Fault LED Probable Causes
Red: off
The pump
White: off No electric power.
does not
Blue: off
start.
The pump Red: on
does not White: on Shaft blocked.
start. Blue: off
Utility at a level higher
The pump Red: off
than the system
does not White: on
restarting pressure
start. Blue: off
level (par. 3.2).
1. Leak in the
The pump Red: off 2. Impeller or hydrau-
does not White: on
stop. Blue: off 3. Air getting into the
4. Faulty flow sensor
71
Remedies
Check whether there is voltage in
the socket and insert the plug again.
See paragraph 9.4 (motor shaft
maintenance).
Increase the system restarting
pressure level by increasing SP or
decreasing RP.
1. Check the system, find and
eliminate the leak.
system. 2. Dismantle the system and
remove the obstructions (assis-
lic part clogged. tance service).
3. Check the suction pipe, find
suction pipe. and eliminate the cause of air
getting in.
4. Contact the assistance centre.
1. Suction depth too
high.
Red: off 2. Suction pipe
Insufficient
White: on clogged or diame-
delivery
Blue: off ter insufficient.
3. Impeller or hydrau-
lic part clogged.
The pump 1. Leak in the
Red: off
starts with- system.
White: on
out utility 2. Faulty non-return
Blue: off
request. valve.
The water
pressure Expansion vessel
Red: off
when turn- empty (insufficient
White: on
ing on the air pressure) or has
Blue: off
utility is not broken diaphragm.
immediate.
When the
utility is
turned on Air pressure in the ex-
Red: off
the flow pansion vessel higher
White: on
falls to than the system
Blue: off
zero before starting pressure.
the pump
starts
1. As the suction depth increases
the hydraulic performance of
the product decreases. Check
whether the suction depth can
be reduced. Use a suction pipe
with a larger diameter (but never
smaller than 1").
2. Check the suction pipe, find the
cause of choking (obstruction,
dry bend, counterslope, ...) and
remove it.
3. Dismantle the system and
remove the obstructions (assis-
tance service).
1. Check the system, find and
eliminate the leak.
2. Service the non-return valve as
described in par. 9.3.
Check the air pressure in the ex-
pansion vessel. If water comes out
when checking, the vessel is bro-
ken: assistance service. Otherwise
restore the air pressure according to
the equation par. 1.2.
TCalibrate the expansion vessel
pressure or configure the parame-
ters SP and/or RP so as to satisfy
the equation par.1.2.