Fault description Cause Remedy Personnel
Fluid escapes from the
backplate.
The metering diaphragm
is not leak-tight.
Replace the diaphragm - refer to the
"Repair" chapter.
If a diaphragm rupture has been indi‐
cated, clean the diaphragm rupture
indicator - refer to the "Repair"
chapter.
Technical per‐
sonnel
Green LED display
(operating indicator)
not lighting up.
The wrong power supply
or no power supply is
connected.
The specified power supply as per
the voltage specification can be
found on the nameplate.
Electrician
15.2 Faults with error message
15.2.1
Fault messages on the LCD screen
In the event of a fault:
n the red LED display lights up.
n an identifier and a message appear on the LCD screen.
n the pump stops.
Fault description Cause Remedy Personnel
No. 0: The identifier appears
followed by the message
‘System error’
.
System or EPRom error Return the pump to ProMinent.
No. 1: The identifier
appears followed by the mes‐
sage
‘Input signal < 4 mA’
.
The pump is in
‘Analog’
operating mode, a fault
behaviour has been pro‐
grammed in the
‘Analog’
menu and the control cur‐
rent has fallen below 4 mA.
Eliminate the cause of the low
control current or
Switch the programming of the
fault behaviour to
‘off’
- see
chapter "Set up"-"Set‐
tings"-"Operating
mode"-"Analog".
Technical
personnel
No. 2: The identifier
appears followed by the mes‐
sage
‘Input signal > 20 mA’
.
The pump is in
‘Analog’
operating mode, a fault
behaviour has been pro‐
grammed in the
‘Analog’
menu and the control cur‐
rent has risen above 20
mA.
Eliminate the cause of the high
control current or
Switch the programming of the
fault behaviour to
‘off’
- see
chapter "Set up"-"Set‐
tings"-"Operating
mode"-"Analog".
Technical
personnel
No. 3: The identifier
appears
followed by the message
‘Level
error!’
.
The fluid level in the
storage tank has reached
"Liquid level low 2nd
stage".
Top up the storage tank. Technical
personnel
No. 4: The identifier
appears
followed by the message
‘Diaphragm rupture’
.
The diaphragm is broken. Replace the diaphragm and
clean the diaphragm rupture
indicator, refer to the "Repair"
chapter.
Technical
personnel
No. 5: The identifier
appears
followed by the message
‘Defective stroke met.’
.
The metering monitor
reported more defective
strokes than was set in the
‘Inputs/Outputs’
menu.
Press the
[Clickwheel]
.
Investigate and clear the
cause.
Technical
personnel
No. 6: The identifier
appears
followed by the message
‘Sensor error’
.
Sensor faulty Return the pump to ProMinent.
Troubleshooting
106
DosingPump.ir
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