Condition
Green LED
Red LED
Display
Alarm output
Empty tank
Off
On
EMPTY
2
1
3
NC
NO
C
Analog signal < 2 mA
Off
On
NO mA
2
1
3
NC
NO
C
The pump is running,
but the dosed
is too small according
to the signal from the
dosing monitor
On
On
NO FLOW
2
1
3
NC
NO
C
Overheating
Off
On
MAX. TEMP.
2
1
3
NC
NO
C
Internal communication
fault
Off
On
INT. COM.
2
1
3
NC
NO
C
Internal Hall fault
Off
On
HALL
2
1
3
NC
NO
C
Diaphragm leakage
Off
On
LEAKAGE
2
1
3
NC
NO
C
Maximum pressure
exceeded
Off
On
OVERLOAD
2
1
3
NC
NO
C
More pulses than
capacity
On
On
MAX. FLOW
2
1
3
NC
NO
C
No motor rotation
detected
Off
On
ORIGO
2
1
3
NC
NO
C
1)
Requires connection to level sensors. See section Empty tank (alarm).
2)
Requires activation of the dosing monitoring function and connection to a dosing monitor.
3)
Please contact a Grundfos service centre.
4)
Alarms can be reset when the faults have been corrected.
5)
The pump will make 10 attempts to restart before going into permanent OFF mode.
Related information
19
English (GB)
Содержание DME 150 AP
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