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en - Original instructions
WARNING:
•
Observe the accident prevention
regulations in force.
•
Use suitable equipment and pro-
tective devices.
•
Always refer to the local regula-
tions, legislation and codes in force
regarding the selection of the in-
stallation site, plumbing and power
connection.
General maintenance
11.1
Electrical hazard
Before any servicing or maintenance,
disconnect the system from the power
supply and wait at least 2 minutes be-
fore starting work on or in the unit.
Turn off and unplug the system before
installing the unit or carrying out
maintenance.
•
The Q-SMART control panel does not require
any routine maintenance when used within
the limits that are indicated in the
•
Technical
data.
•
It is advisable to periodically check correct
triggering of the high sensitivity differential
switch (30 mA) [RCD, residual current device]
suited to the ground fault current.
12 Troubleshooting
Introduction
In addition to the alarm troubleshooting guide in
the List of alarms (sections
vide a guide for troubleshooting other possible
problems.
Faults, causes, and remedies
12.1
The pump does not run, the main switch is on.
Cause
Solution
No
power
Restore the power supply and
supply
check that the mains connec-
tion is intact.
Triggered
Reset
overload
breaker.
Circuit breaker
Triggered
Reset the differential protec-
ground
fault
tion.
protective
device.
Fuse F1 or F2
Replace the fuse.
is faulty.
The
motor
Replace the capacitor if it is an
capacitor
is
external one. Contact the local
faulty.
sales and service representa-
tive if it is an internal capaci-
tor.
56
7
and 9), we also pro-
the
overload
circuit
The pump starts up but blows the converter
fuse
Cause
Damaged
power
cable,
short
cir-
cuited
motor,
or
the thermal protec-
tor or fuses are not
suited to the motor
current.
Triggered thermal
overload switches
on
single-phase
motors due to ex-
cessive
current
input.
The utilities are closed and the electric pump
runs at intermittent speeds
Cause
Water leaking out
of the non-return
valve or out of the
system.
Diaphragm
tank
with broken dia-
phragm,
when
applicable.
Operating point is
not calibrated cor-
rectly in relation to
the
system.
For
example, the value
is higher than the
pressure supplied
by the pump.
There could be a
problem with the
level float in the
intake tank.
There could be a
problem with the
level float in the
intake tank.
The pump runs and there are vibrations in or
near the pump.
Cause
The
operating
point is not cali-
brated correctly in
relation to the sys-
tem.
The value is below
the minimum pres-
sure that is sup-
plied by the pump.
The pump always runs at maximum speed.
Cause
Solution
Solution
Check and replace the
components
as
neces-
sary.
Check the operating con-
ditions of the pump.
Solution
Check the system to lo-
cate the leaks.
Repair or replace the
components.
Replace the diaphragm.
Recalibrate the threshold
and timing.
Check the float and the
tank.
Check
the
pressure
switch and the intake
conditions (pressure).
Solution
Recalibrate the threshold
and timing.
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