NOCCHI SENSORMAT Manual De Uso página 34

GB
Weekly planner
Keeps the factory planning for at least one year even if the switchboard is not fed. During manufacture it is set to
the carrying out of an autotest every
to change the weekday or the time of the test, change the data programmed following the instructions given in the
manual "INSTRUCTIONS FOR USE" supplied with the unit. The stop value should be set to one minute after the end
of each test, for example:
start Monday 10 AM
stop Monday 10.01 AM
Chap.9 – TROUBLE SHOOTING
PROBLEM
All the pilot lights are off
THE MOTOR
PUMPS DO NOT
START UP
The LINE green pilot light is on
The AUT green pilot light is off
The LINE green pilot light is on
Red pilot light PROBLEM
intermittent water flow
The LINE green pilot light is on
Red pilot light LOCK
THERMAL SWITCH on
The LINE green pilot light is on
The AUT green pilot light is off
The LINE green pilot light is on
The AUT green pilot light is on
The LINE green pilot light is on
THE MOTOR
PUMPS DO NOT
The MANUAL red pilot light is on
STOP
The LINE green pilot light is on
The AUT green pilot light is on
The OPERATING green
THE MOTOR
PUMPS DO NOT
pilot light is on
REACH THE
P R E S S U R E
REPORTED ON
THE DATA PLATE
32
Monday at 10 AM
PILOT LIGHTS
No power supply at the distribution
board
The main switch is positionned on
0 (OFF)
The fuses at the exit of the
transformer are disconnected
The unit is operating in MANUAL
mode
Lack of water in the first collection
tank
Lack of water in the first collection
tank
The level control is not operating or
is damaged
The fuses of one or more motor
pumps are disconnected
The push selector switches of the
distribution board are positionned
on EXCLUSION
The pressure switches are not calibrated,
disconnected or damaged
The lamp(s) operate in MANUAL
mode
The contact of one or more pressure
switch is closed because of a
calibrating defect
The connecting tube of the pressure
switches are obstructed
The pressure switches cable is by-
passed
The push selector switches of the
distribution board are positionned on test
The check valves are dirty or
damaged
The check valves are dirty or
damaged
Check valves partially obstructed
Shut-off valves partially closed or
obstructed
Reversed direction of rotation
Motor pump disabled
CAUSE SOLUTION
Supply power to the distribution
board
Position the main switch on I (ON)
Replace the disconnected fuses
Press the AUT switch
Restore the water level
Set up or replace the level control
Press Thermal cutouts restoring
switch
Replace the fuses of the motor
pump(s)
Position the push selector switches
on AUTOMATIC CARD
Control the pressure switches and
their connections
Press the AUT switch
Calibrate the pressure switch(es)
Eliminate the obstruction
Replace the cable
Position the push selector switches
on AUTOMATIC BOARD
Clean or replace the valves
Bring to the minimal operating time
Clean the valves
Open entirely and clean the valves
Invert the direction of rotation of
the motor pumps
Eliminate possible air locks in the
suction pipe or in the motor pump