Operating manual VISATRON® Oil Mist Detector VN2020 / VN2020 EX
Part number 183001 Version 3.0
ERROR DIAGNOSIS AND TROUBLESHOOTING
10 Error diagnosis and troubleshooting
Risk of oil mist explosion
Failure to comply with the safety instructions may result in major damage to property
or the environment and in serious injury or death.
Start by familiarising yourself with the basic safety instructions for working with
the oil mist detector.
Section 2.4 Basic safety instructions
If the oil mist detector is operated in explosion-proof areas, the relevant safety
instructions must be observed.
Section 2.4.1 Safety instructions for potentially explosive
atmospheres
Working safely and correctly with the oil mist detector
Read this operating manual and other documents that accompany the product
carefully and keep them in a suitable place for future reference.
Personal protective equipment
Working on the device without protective equipment may result in serious injury.
For the workplace PPE, the following protective equipment must be used:
DIN EN 388:2016 Protective gloves against mechanical risks, 2341X,
and DIN EN 407:2004 Protective gloves against thermal risks, X1XXXX
Safety glasses in accordance with DIN EN 166 or DIN EN 170
Safety helmet in accordance with DIN EN 397 and DIN EN 50365
ESD safety shoes according to ESD standard DIN EN 61340-5-1
10.1 Behaviour of the oil mist detector in the event of a fault
The oil mist detector is declared by the Classification Societies to be the primary safety
system. In the event of a device defect, the operator must correct the defect as quickly
as possible. The easiest way to do this is to replace the faulty measuring head. Schaller
Automation generally recommends that the operator keeps a spare measuring head in
storage at all times.
If an internal device or system error occurs, the “Error code” display [] uses the
diagnostic system to indicate the error code on the two-digit LED numerical display [],
as shown in the figure below. The green “System ready” LED goes off at the same time.
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