Lowara Q-Smart Manuel D'installation, D'exploitation Et De Maintenance page 48

en - Original instructions
o
Check connection of probes S MAX to the
Q-SMART control panel terminal (refer to
figures 6, 7 and 9).
N° Description
A37 Minimum Level Alarm of the
water intake tank
Troubleshooting:
Only for filling application (c02=1)
The level of water has reached the float switch G
MIN or probe S MIN.
All pumps are stopped. The alarm is excluded in
manual mode.
Causes/solutions

The level has reached the position of float
switch G MIN or probe S MIN if used. Restore
the water level.

If the alarm appears but the level has not
reached float switch G MIN or probe S MIN:
o
Float switch G MIN is damaged and must
be replaced.
o
Probe S MIN is damaged and must be re-
placed.
o
The cable of the float switch G MIN is
faulty or worn, replace it.
o
The cable of the probe is faulty or worn,
replace it.
o
Check proper connection of the float
switch G MIN to the Q-SMART control
panel terminal (refer to figures 6,
o
N° Description
A39 External fault alarm
Configuration of the indication of
an external alarm connected to
digital input D
(c38=2).
Troubleshooting:
The Alarm is detected by an external device. The
logic is configured by the parameter r38. All pumps
are stopped and they don't run until the alarm ap-
pears.
The alarm is excluded in manual mode.
Causes/solutions

Check the condition of the external device and
replace it if damaged.

If an alarm appears but the device is in good
condition:
o
The cable is faulty or worn, replace it.
N° Description
A54 Minimum threshold alarm
Troubleshooting:
The level of the system does not exceed the set val-
ue of the Minimum threshold parameter (r54). After
the delay time par t54 all pumps are stopped and
protected against dry running.
48
Reset
Auto
7 and 9).
Reset
Auto
IN PROG
Reset
Auto
The filling application alarm doesn't stop the pumps,
it is only an alert.
The alarm is excluded in manual mode.
Causes/solutions

No water on the intake side of the pump: check
the level.

The pump (impeller or diffuser) is damaged.
Contact the technical assistance service.

The motor doesn't run:
o
It is damaged and must be replaced. Con-
tact the technical assistance service.
o
The thermal protector inside the motor is
faulty or broken.
o
The capacitor is broken.
N° Description
A55 Max threshold alarm
Troubleshooting:
The level of the system exceeds the set value of the
Maximum threshold parameter (r55).
After the delay time par t55, all the pumps are
switched on for the sewage application (c02=0).
After the delay time par t55, all the pumps are
stopped for the filling application (c02=1)
The alarm is excluded in manual mode.
Causes/solutions

The water has exceeded the max level: check
the level.

The pump (impeller or diffuser) is damaged.
Contact the technical assistance service.

The motor doesn't run:
o
It is damaged and must be replaced. Con-
tact the technical assistance service.
o
The thermal protector inside the motor is
faulty or broken.
o
The capacitor is broken.
N° Description
A56 The same alarm is detected 5
times in the last 30 minutes
Troubleshooting:
The system is blocked because the same alarm is
detected 5 times in the last 30 minutes. Use parame-
ter c57 to reset and restart the system.
Causes/solutions

Identify the type of alarm and resolve it.
Tab 3 BOOSTER APPLICATION
(parameter bS is selected, section 5.4.3)
Par. Description Range
SYSTEM
c01 Number of 1= 1 pump
pumps 2= 2 pumps
c02 Jockey 0= Disa-
Reset
Auto
Reset
Manual
Unit Default
- depending
on the
control
panel
model
- 0