5.8.2 LED displays
- see "Troubleshooting" chapter
The fault indicator lights up if the fluid level in the dosing tank falls below
the second switching point of the level switch (20 mm residual filling level
in the dosing tank).
It also lights up with all other faults - refer to "Troubleshooting" chapter.
The warning indicator lights up if the fluid level in the dosing tank falls
below the first switching point of the level switch.
It also lights up with all other warnings - refer to "Troubleshooting" chapter.
The operating indicator lights up if the pump is ready for operation and
there are no fault or warning alerts. It briefly goes out as soon as the pump
has performed a stroke.
This LED on the power end is the top one in the row of 4 LEDs.
Colour
Flash code
Cause
Conse‐
quence
Remedy
green
lit
Bus status
OPERA‐
TIONAL
Normal bus
mode
-
green
flashing
Bus status
PRE-
OPERA‐
TIONAL
currently no
measured
value com‐
munication
wait briefly.
Disconnect
HMI then
reconnect
red
any
Bus error
no meas‐
ured value
transmission
Check
whether the
CAN con‐
nection is
faulty.
Notify
Service
5.9 Hierarchy of operating modes, functions and fault statuses
The different operating modes, functions and fault statuses have a dif‐
ferent effect on whether and how the pump reacts.
The following list shows the order:
1. - Priming
2. - Fault, Stop, Pause
3. - Auxiliary frequency (external frequency changer)
4. - Manual, External contact, Batch, External analogue
Comments:
re 1 - “Priming" can take place in any mode of the pump (providing it is
working).
re 2 - "Fault", "Stop" and "Pause" stop everything apart from "Priming".
re 3 - The "Auxiliary frequency" stroke rate always has priority over the
stroke rate specified by an operating mode listed under 4.
Pump device LEDs
Fault indicator (red)
Warning indicator (yellow)
Operating indicator (green)
CAN bus status LED (external)
Functional description
23
Содержание S3Cb
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