- CYPRES 2 User’s Guide -
page 9
1.5 Operational safety
There are two important points to remember re-
garding the operational safety of CYPRES:
1. CYPRES self-tests automatically every
time it is switched on. After every switch-
on procedure, CYPRES executes a self-test
routine during which all important internal
functions are checked. A positive outcome
to this self-test should assure you of a trou-
ble-free operation for up to 14 hours.
When the display unit shows
, the self-
test has been completed successfully. If the
self-test has resulted in errors or discrepancies,
CYPRES will not assume operating mode but
will switch itself off after displaying an error
code. This error code indicates why the self-
test process was aborted (see chapter 5).
2. CYPRES has fail-safe error detection. Two
processes are activated in CYPRES once the
unit has been switched on: a primary work-
ing process and an independently operating
controlling process that monitors the working
process continuously. In case of errors while
the working process is active, the backup con-
trolling process should switch the unit off.
Depending on the type and potential impact
of the error, CYPRES can either be switched
on again or it will stay in shut-down mode
permanently. With certain error codes (see er-
ror code list in chapter 5), it is not possible for
the user to reactivate the unit. In such cases,
CYPRES must be sent to the manufacturer or
service center for inspection and adjustment.
Malfunction can result in false activation / no
activation:
Every technical device can fail. So everything
imaginable can happen with the CYPRES, including, but
not limited to: displaying a status which is not true, failing
to function, or functioning at a wrong moment or at a
wrong occasion. Such inappropriate act can easily injure
or kill you or others. If you or your friends or relatives are
not willing to accept these uncertainties and risks, then
you must not use CYPRES.
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