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Canceling operation
Operation can be canceled at all times with-
out data being saved.
Î Press key together with the key:
The option module returns to standard
operation.
Error message
A permanently lit red LED indicates an error
(e.g. zero or span calibration range exceed-
ed, ammeter defective).
Î Press key to confirm.
The option module is restarted and goes
into standard operation.
Operation timeout
If no key is pressed within three minutes
while a level is active, the unit automatically
returns to standard operation.
The option module returns to standard
operation.
4 Servicing explosion-protected
devices
Î Observe the following for servicing
equipment in a section relevant for ex-
plosion protection:
–
It must not be put back into operation
until a qualified inspector has
assessed the equipment according to
explosion protection requirements,
has issued an inspection certificate or
given the device a mark of
conformity. Inspection by a qualified
IP 9519-1 EN
Servicing explosion-protected devices
inspector is not required if the
manufacturer performed a routine
test on the device before putting it
back into operation. Document the
passing of the routine test by
attaching a mark of conformity to the
device.
–
Replace explosion-protected
components only with original,
routine-tested components by the
manufacturer.
–
Devices that have already been used
outside hazardous areas and are
intended for future use inside
hazardous areas must comply with
the safety requirements placed on
serviced devices. They must be
subjected to testing according to the
specifications in EN 60079-19.
–
EN 60079-19 applies to servicing
explosion-protected devices.
–
Use the protective cable designed by
SAMSON when interconnecting non-
intrinsically safe set point calibrators
with intrinsically safe equipment for
repair, calibration etc. to ensure that
components relevant to explosion
protection are not damaged.
9
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