Xylem Lowara Q-Smart Manuel D'installation page 46

en - Original instructions
Common probe "S COM" has to be connected.
0=S1 and S2
Pump 1 is switched ON and stopped by probe S1.
Pump 2 is switched ON and stopped by probe S2.
1=S MIN
Pump 1 is switched ON by probe S1.
Pump 2 is switched ON by probe S2.
Both pumps are stopped by probe S MIN. The high
level alarm is activated by probe S MAX but nei-
ther of the pumps is switched ON.
The break of S MIN is diagnosed, and the pumps
are switched on/stopped by S1, S2.
2=S MAX
Pump 1 is switched ON and stopped by probe S1.
Pump 2 is switched ON and stopped by probe S2.
The high level alarm is activated by S MAX and
both pumps are switched ON. Pump 2 is switched
ON after 2 sec. This option is to prevent excessive
and rapid filling of the tank. The pumps are then
stopped by S1, S2.
The S MIN low level probe does not impact on the
start condition of the pumps.
3=S MIN+S MAX
Pump 1 is switched ON by probe S1.
Pump 2 is switched ON by probe S2.
Both pumps are switched ON by S MAX. Pump 2
is switched ON after 2 sec. The high level alarm is
activated by S MAX. This option is to prevent ex-
cessive and rapid filling of the tank. Both pumps
are stopped by S MIN.
The break of S MIN is diagnosed, and the pumps
are switched on/stopped by S1, S2.
The S MIN low level probe does not impact on the
start condition of the pumps.
7 ALARMS
SEWAGE APPLICATION (parameter SE is se-
lected, section 5.4.3)
List of alarms
N° Description
A01 Fuse F1 pump 1 burned.
Troubleshooting:
Fuse 1 for pump 1 is burned.
Pump 1 affected by the fault is excluded from op-
eration. When the fault is resolved, the pump is
reactivated automatically. The intervention of the
fuse automatically enables the other pump if there
is the demand condition. Follow these instructions:
1. Switch OFF the panel
2. Open the front cover
3. Replace Fuse F1
4. Close the cover
5. Switch ON the panel
Causes/solutions:
46
•
•
•
N°
A02
Troubleshooting:
Fuse 2 for pump 1 is burned.
Pump 2 affected by the fault is excluded from op-
eration. When the fault is resolved, the pump is
reactivated automatically. The intervention of the
fuse automatically enables the other pump if there
is the demand condition.
Follow these instructions:
1.
2.
3.
4.
5.
Causes/solutions:
•
•
•
N°
A05
Troubleshooting:
The signal is below the minimum value of 3.8 mA.
In case of an alarm, all pumps are stopped. The
alarm will appear if the signal is below 3.8mA and
it is managed only if the sensor is used (c03=2).
Causes/solutions:
•
•
Reset
Auto
•
•
•
•
N°
A36
Troubleshooting:
The level of water has reached the float switch G
MAX or probe S MAX.
The motor of pump 1 is damaged and must be
replaced.
The power cable of the motor is faulty or
worn: replace the cable.
The capacitor of motor pump 1 is damaged
and must be replaced.
Description
Fuse F2 pump 2 burned
Switch OFF the panel
Open the front cover
Replace Fuse F1
Close the cover
Switch ON the panel
The motor of pump 2 is damaged and must be
replaced.
The power cable of the motor is faulty or
worn: replace the cable.
The capacitor of motor pump 2 is damaged
and must be replaced.
Description
The sensor is faulty. In manual
mode the alarm is not managed.
Check that the sensor and connector are con-
nected.
Open the cover and check that the power cord
of the sensor is connected and secured to the
terminals. Refer to figures 6,
Check that the cable of the sensor is connect-
ed correctly. Refer to figures 6,
The power cable of the sensor has deteriorat-
ed: replace the cable.
The plastic connector has deteriorated: re-
place the connector.
Replace the faulty sensor.
Description
High Level Alarm
Reset
Auto
Reset
Auto
7 and 9.
7 and 9.
Reset
Auto