Operating Faults; Warnings/Fault Signals From Operational Sequences (Display); Fault Signals (Display And Fault Led) - Ecolab Elados EDPL V60 Notice Technique

12

Operating faults

12.1

Warnings/fault signals from operational sequences (display)

The fault signals shown below appear on the display of the metering pump if there is a
warning or a fault signal present. In addition, the fault LED is illuminated red in some cases:
Display Meaning
Fig. 12.1
Reserve signal
(flashing)
+ Fault LED
Fig. 12.2
Empty
+ Fault LED
Fig. 12.3
Metering lock
(only possible if this has
been configured)
Fig. 12.4
Operating mode
Current 4-20mA,
Standard signal
monitor responds
+ Fault LED
Fig. 12.5
Pulse operating mode
Pulse rate too high
+ Fault LED
Fig. 12.6
Standard signal is over
23.0 mA
12.2

Fault signals (display and fault LED)

Display
Fig. 12.7
Fault 1
Continuous stroke
Fig. 12.8
Fault 2
no stroke
Fault 3.1
Motor running
continuously
Fig. 12.9
Fault 3.2
Motor status error
Fault 3.3
Communication with
motor defective
Fault 3.4
Communication with
motor defective
Fig. 12.10
Fault 4
Metering monitor
Fig. 12.11
Fault 5
Diaphragm broken
417102214_EDPL_V60.docx
Effect
- Icon and fault LED
(red) flash, pump keeps
running
- Symbol and fault
LED (red) are displayed,
pump is stopped
- Symbol is
displayed, pump is
stopped
- Symbol is
displayed, fault LED is
illuminated, pump is
stopped
- Symbol
+ Fault LEDs flash,
pump keeps running
Pump runs continuously
Effect Cause
Motor runs uncontrolled in
Defective power electronics Replace the control board
continuous running mode.
Back-pressure too high
Motor stalls despite
Valve on pressure side
metering icon rotating, no
closed
metering
Motor overheated/defective Allow motor to cool or replace
Defective power electronics Replace the control board
Frequency convertor -
Continuous metering
defective board.
Back-pressure too high
No metering / continuous
metering
Motor overheated/defective Allow motor to cool or replace it
Frequency convertor -
defective board.
No metering
Defective base board
Frequency convertor -
No metering
defective board.
Defective hose
Defective diaphragm
Metering monitor
evaluation responds,
Back-pressure too high or
pump is locked
too low
Metering head loose
(leaking)
Diaphragm breakage
sensor has detected leak.
Pump is locked.
Diaphragm torn
110
Cause Remedy
Level pre-warning active Stock up metering medium
Change, replace metering
Empty signal active
medium
Activate the external release
External release of the
or deactivate the metering lock
pump is missing.
in the Configuration menu.
Standard signal is under
Check standard signal or
3.5 mA or cable current
cable.
input is interrupted
Frequency of the
incoming pulses is too
Activate the pulse memory,
high, pump is no longer
select a larger pump.
able to meter the
proportional quantity.
Standard signal exceeds
Reduce standard signal
the scope of display
Remedy
Reduce pressure
Open valve
Replace motor and frequency
convertor
Check back-pressure
Replace motor and frequency
convertor
Replace board
Replace motor and frequency
convertor
Check hoses
Check diaphragms
Check back-pressure
Tighten metering head fastening
screws crosswise
Replace diaphragm
Rev. 1.12.11