Resetting The Fail-Safe Flags; Troubleshooting - Siemens SITRANS F Additional Operating Instructions

SITRANS FX330

4.4 Resetting the fail-safe flags

Rebooting of a device operated in SIL mode with a detected safety critical failure is inhibited. In
this case, the following message is shown on the display:
The test is performed under full responsibility of the operator! The device will operate in SIL
mode to allow extensive testing, but the SIL tag is not shown in the header bar on the display
(because the device is actually non-safe!). Consequently, additional measures should be (because the device is actually non-safe!)
(because the device is actually non-safe!) (because the device is actually non-safe!)
installed to prevent the overall system from safety critical failures. The flowmeter might be
defect persistently!
INFORMATION!
In case of any doubt, call the service department of the manufacturer and leave the device in the
current safe state!
Menu/display
SIL locked!
Press key to start
test
Password?
Clear fail safe
flag?
Password?
Wait for reboot

4.5 Troubleshooting

INFORMATION!
Modifications to SIL capable devices by the user are not permitted.
•
Only authorised personnel from the manufacturer shall repair the device.
•
Failures that are critical to functional safety must be reported to technical support of the
manufacturer. If you find a problem, please contact your local representative. If the device must
be returned to the manufacturer, refer to "Returning the device to the manufacturer" in [N1].
10/2017 - A5E40875009-AB EN
SIL locked! SIL locked! SIL locked! SIL locked!
Press key to start test Press key to start test
Press key to start test Press key to start test
but the SIL tag is not shown in the header bar on the display but the SIL tag is not shown in the header bar on the display but the SIL tag is not shown in the header bar on the display
To do
Start maintenance mode under full responsibility of the
operator for testing purposes.
Enter the 4 digit "Expert" password.
Test device.
Enter and leave menu when finished.
Clear if the device is intact without doubt; do not clear
otherwise!
Attention: Entering "YES" will cause the flowmeter to boot to Attention: Entering "YES" will cause the flowmeter to boot to
Attention: Entering "YES" will cause the flowmeter to boot to Attention: Entering "YES" will cause the flowmeter to boot to
SIL operation next time! SIL operation next time! SIL operation next time! SIL operation next time!
Enter the 4 digit "Expert" password.
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www.siemens.com/flow
SERVICE
4
Keys
Any key.
**** ^
1 x →, 1 x ^
YES / NO ^
**** ^
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