7
WARNINGS AND ALARMS
COD. ALARM
DESCRIPTION
SYSTEM REACTION
A01
O
DRY RUNNING
When is detected a dry-run operation the pump is automatically stop-
ped. By mean of ENTER the normal operation can be manually restored.
( ( O ) )
After the activation of the dry-running alarm if the Automatic system
reset (ART) is enabled, a first attempt at 5 minutes and then an attempt
every 30 minutes for 24 hours is performed in order to restore the
normal operation. This alarm can also be reset manually with the ENTER
push-button. If the alarm persists after 24 h we find a definitive alarm.
A11
( ( O ) )
MINIMUM
PRESSURE
It detects pressure below a pre-set value and for a pre-set period in the
ADVANCED PROGRAMMING MENU. The minimum pressure helps to
detect a dry-run operation or pumps running far from its best efficiency
point. This alarm is reset automatically as soon as the pressure exceeds
the limit value.
A02
O
OVERLOAD
(only DGplus and
DGM2)
Overcurrent alarm is activated when the nominal pump current is excee-
ded. 4 automatic reset attempts prior to the final alarm are performed.
Normal operation can also be restored manually by pressing ENTER.
( ( O ) )
A04
( ( O ) )
FAST CYCLING
(Hammering)
This alarm can be unabled or activated in the ADVANCED MENU. The
alarm is activated when 3 consecutive cycles occur in a range lower than
the set time
(between cycle and cycle).
If it has been activated rc1, this alarm does not stop the normal operation
but are added 5 seconds to the start delay in order to protect the electric
pump.
If it has been activated rc2, the pump is stopped.
To RESET the normal operation press ENTER.
A05
O
DAMAGED PRES-
SURE TRANSMIT-
TER
CONTACT WITH YOUR SUPPLIER
A30
O
ANTI-FLOODING
FLOOD protection has been activated because the pump has been run-
ning continuously for a period of time equal to the limit set in the AD-
VANCED MENU.
It is manually reset by pressing ENTER.
Mbr
O
MEMBRANE
REPLACEMENT
The membrane should be replaced after 200,000 operating cycles.
When the register of operating cycles reaches 200K-400K-600K-800K
cycles the device will be blocked showing on the screen “Mbr” to indicate
that the number of cycles has been reached and a membrane change
must be made.
To RESET the normal operation press ENTER.
---
O
OVER-PRESSURE
If the maximum pressure is exceeded the pump is stopped and are dis-
played 3 hyphens.
To RESET the normal operation press ENTER.
