EN
8
Troubleshooting
8.1
Errors/messages in the display
Errors and alarms are forwarded via the potential-free contact.
Display
Cause
Remedial measure
|No rest phase
detected|
Sensor installed incorrectly
Measurement interval during the operating
phase
Sludge covers sensor
Suspended materials/coarse materials
Sensor was unable to determine a valid
value during the past 3 days.
Check the installation situation
Adjust the measurement interval
Dispose of separator contents in case of
increased sludge layer
Install coarse particle trap upstream
|Layer thick-
ness alarm |
Maximum layer thickness reached
Inform the waste disposal company
|Separator tem-
perature|
Inlet temperature too high (note requirements of
standards)
Reduce temperature of inlet water
|Control unit
temperature|
Operating temperature of the control unit
exceeded
Adjust the ventilation or ambient conditions of
the control unit
|Power outage|
The system is currentless
Check the pre-fuse and / or RCD
Call the customer service
|LIN error|
Sensor cannot be reached
Check connections and sensor cables
Replace sensor
|GSM modem|
Poor reception
Check signal strength
If no reception is available, then a modem
cannot be used; if reception exists, replace
the modem
Connect magnetic foot antenna (art. no.
28793)
|Alarm sensor
dry|
Level is below calm (static) water for a lengthy
time
Top up the separator up to the calm level, cali-
brate if necessary
Troubleshooting
Error
Cause
Remedy
Faulty sensor installation
Calibration carried out at incorrect water
level
Dirt deposits on the sensor
Check the position of the sensor
Recalibration of the sensor
Notify waste disposal company and clean
sensor
Incorrect measurement of
grease layer thickness or
measured value does not
match the grease layer in the
inspection window
Incorrect configuration of the sensor
Configure the standard, nominal size and
type of the sensor as indicated on the type
plate
SMS dispatch fails
Poor reception
test the basic signal strength
if reception is not possible despite avail-
able signal, replace the modem
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Installation and operating instructions
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