39
Verify that black switch button of the breaker, installed inside Main Control Box (refer to figure below), is in OFF position,
with the switch button pushed out from the switch circuit breaker.
Fig. 9.4.5 – Mother Board – Switch breaker (inside Main Control Box)
Check if any mechanical obstacles inhibit the correct operation of any pumps, connected to the system and remove them, if
present. Then check electrical absorption of each pump and verify that it is below of that indicated on the relative nameplate.
Once the fault that has caused the alarm signaling is solved, you can reset the alarm signaling by setting the black switch button
of the switch breaker into the ON position (pressed inside the breaker) and then pressing the STOP/ESC key.
At this point the alarm signaling will be reset and the display will show:
Press again the STOP/ESC key to return to system the main page. Then, restart the plant by pressing the START/ENTER key,
the system will begin to run from the filling step if the liquid level inside the Treatment Tank is below the min level of multilevel
sensor; otherwise from the chemical dosing phase.
9.4.6
High Pressure Alarm
If the pressure inside the Treatment Tank rises above the set value (refer to the attached Test Report - usually 0.2bar) of the
pressure switch, installed on the Treatment Tank, the system will trip; and on the display of the Main Control Box will appear
the Overload Alarm screen.
In case that a fault for High Pressure Alarm occurs, the black switch button of the switch breaker (refer to the figure shown in
the previous section) is in ON position (pressed inside the breaker) and the plant display shows the following flashing screen:
*
Only for ECOmar S supplied with Treatment Tank in PP.
Current Fault
OVERLOAD/HIGH PRESSURE
Type ESC to reset
Current Fault
NO FAULT
Type ESC to reset
Current Fault
OVERLOAD/HIGH PRESSURE
Type ESC to reset