If an internal or a system failure occurs, the diagnostics system
shows the failure condition by a LED on the LED bar. The error
codes are shown in the sites below. A detected oil mist alarm is
displayed at this time with the TEST relay not switched on.
Below you will find links and QR codes leading you to the various
Visatron oil mist detector models fault location pages. There you
will find complete lists over the different alarms and how to solve
them, including step-by-step guides on how to solve your systems
error.
Caution! Fault location has to be done when the engine
is stopped
Visatron VN/87 EMC
https://www.epp.no/troubleshooting/fault-indication-vn-87/