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8026957/AE00/V1-0/2021-08| SICKOPERATING INSTRUCTIONS | DUSTHUNTER SB30
Subject to change without notice
7 TROUBLESHOOTING
7.2 Sender/receiver unit
Malfunctions
Warning and error messages in SOPAS ET
Fig. 34: SOPAS ET menu: DH SB30/Diagnosis/Error messages/Warnings
Current warning or error messages, or earlier messages stored in the error memory, can be
shown by selecting “actual” or “memory” in the “Error selection” or “Warnings selection”
window.
● Display of error or warning: With LED symbol
● Description of error or warning: In the description field of SOPAS ET
Malfunctions listed below can probably be cleared onsite.
Symptom Possible cause Action
● LEDs of the
sender/receiver
are not on
● No supply voltage
● Connection line not connected correctly
or defective
● Defective plug connector
▸ Check plug connectors and
lines.
▸ Contact SICK Customer Service.
Message Significance Possible cause Action
Span test Deviation from nominal value
above ±2%
Sudden changes in measur-
ing conditions during determi-
nation of control values
▸ Repeat the function check.
▸ Contact SICK Customer Service.
Overflow
constant light
Constant light signal > 3.5 V;
measured values invalid
Extraneous light share too
high
▸ Reduce incidence of extraneous light
(select different fitting location, sun
protection, ...).
Connector
amplifier
Measurement not possible
Measurement receiver not
connected
▸ Check connection to processor board
and connect plug connector, if
necessary (see “Adapting the sender/
receiver unit to the duct diameter”,
page 32).