Xylem ECOCIRC XL & XLplus - Manual (Page 28)

Alarm
code
Cause Solution
If the problem per-
sists, contact serv-
ice.
A02 High temperature
of the fluid
Check the correct
status of the sys-
tem
A05 Data memory cor-
rupted
Switch off the
pump for 5 mi-
nutes and then
power on. If the
problem persists,
contact service
A06 External tempera-
ture probe anom-
aly
Check the probe
and the connection
to the pump
A07 External pressure
sensor anomaly
Check the sensor
and the connection
to the pump
A12 Twin pump com-
munication lost
If both pumps
show the A12
alarm, check the
connection be-
tween the pumps.
If one of the pump
is switched off or
shows another er-
ror code, check the
section 8.1 and 8.2
to find the problem
A20 Internal alarm Switch off the
pump for 5 mi-
nutes and then
power on. If the
problem persists,
contact service
8.4 Faults, causes, and remedies
The pump does not start
Cause Remedy
No power. Check the power supply
and ensure connection
to the main is intact.
Triggered ground-fault
protection device or cir-
cuit breaker.
Reset and replace blown
fuses.
Cause Remedy
Bridged or wrong start
signal on the start/stop
contacts.
Unbridge and correct
the signal.
The pump starts but the thermal protector is trig-
gered after a short time or the fuses blow
Cause Remedy
Damages power cable, the mo-
tor short circuits or thermal pro-
tector or fuses are not suited for
the motor current.
Check and re-
place the com-
ponents as nec-
essary.
Triggered thermo-amperomet-
ric protection (single phase) or
of the protection device (three-
phase) due to excessive current
input.
Check the pump
working condi-
tions.
Missing a phase in the power
supply.
Correct the
power supply.
The pump is making loud noises
Cause Remedy
Not thoroughly
vented.
Recall the automatic air -
venting procedure. See sec-
tion 6.2.1 of this manual
Cavitation due to in-
sufficient suction
pressure.
Increase the system admis-
sion pressure within the ad-
missible range.
Foreign objects in
pump.
Clean the system.
Worn bearing Contact the local sales and
service representative.
9 Other Relevant Documentation or
Manuals
9.1 Embedded Software and Driver
Software License Agreement
With the purchase of the product, the terms and
conditions of the license for the software embed-
ded on the product are considered accepted. For
more information see license condition on
www.lowara.com
1 Introduction et sécurité
1.1 Introduction
Objet de ce manuel
L'objet de ce manuel est d'apporter les informa-
tions nécessaires pour :
• L'installation
• L'utilisation
• La maintenance
ATTENTION :
Lire attentivement ce manuel avant
d'installer et d'utiliser ce produit. Une
mauvaise utilisation du produit peut en-
traîner des blessures et des dégâts ma-
tériels et pourrait annuler la garantie.
REMARQUE :
fr - Traduction des instructions d'origine
28