User manual

Security & Electronic Technologies GmbH Seite 17
small for calibration) Press OK to continue
nevertheless)
Checking the level probe signal:
At 0 cm fill level  app. 3.5 – 4.5 mA. Can be checked in menu item 22.
For 1 m water column  approx. 9 - 11 mA (for standard probe with
measuring range of 250 mbar)
Operation
The contents indicator does not require any attention during ongoing
operation.
Performance check
After refuelling the tanks or once per year, check whether the indicated value
corresponds to the fill level.
Maintenance
With correct installation and operation, the contents indicator is free of
maintenance. The indicator and the probe element must be checked annually,
as described under Performance Check
Repair
In case of repeated error or alarm message (relay output) while the tank
content does not reach /remains under the set fill level alarm threshold at the
probe element, check the connection line of the signal and probe element for
breakage or short-circuit, re-install if necessary.
If the measures explained in sections Setup, Operation and Maintenance fail
to achieve regular re-START, and unless the instructions have been
misunderstood, the device must be removed and sent to the manufacturer for
a check-up. Any unauthorized handling will result in loss of any warranty
claims.