Operating manual VISATRON® Oil Mist Detector VN2020 / VN2020 EX
Part number 183001 Version 3.0
ERROR DIAGNOSIS AND TROUBLESHOOTING
Before starting assembly, the housing of the VISATRON
®
VN2020 / VN2020
EX oil mist detector must be earthed.
10.2 Error diagnosis and troubleshooting
Restricted function in the event of an error
If an internal device error or system error occurs, the diagnostic system
displays the error code via the 2-LED numerical display.
If a device or system error occurs, the “System ready” LED goes off and any
oil mist is not detected in this mode of operation.
The displayed errors can be corrected by the customer or alternatively by an authorised
Schaller service partner. In this case, contact service at Schaller Automation Industrielle
Automationstechnik GmbH & Co KG. Section 12 Contact
The error codes (on the display on the Remote Indicator II) and how to correct them are
listed below in order of priority. The specified work steps must be carried out one after
the other, if the previous work step in each case has not cancelled the error code.
10.2.1 Error diagnosis
All LEDs are off/no output
Oil mist detector in
operation
Supply voltage not within
allowed range
Electronics temperature too
high
(> 85°C)
Electronics temperature too
low
(< 0°C)