SBZ224
Mechatronic flow sensor
24
10.2.4.7 Lock / unlock
The unit can be locked electronically to prevent unintentional settings. Factory setting: not locked.
Locking:
u
Make sure that the unit is in the normal operating mode.
u
Press [▲] and [▼] simultaneously for 10 s until [Loc] displayed.
Unlocking:
u
Make sure that the unit is in the normal operating mode.
u
Press [▲] and [▼] simultaneously for 10 s until [uLoc] is displayed.
10.2.4.8 Factory reset
u
Select the EF menu.
u
Select [rES].
u
Briefly press [●].
u
Keep [▼] or [▲] pressed.
w
[----] is displayed.
u
Briefly press [●].
w
The unit carries out a reboot.
We recommend documenting your own settings in the chapter Factory setting before carrying
out a reset.
10.2.5 Diagnostic functions
10.2.5.1 Reading minimum values / maximum values
u
Select the MEM menu.
u
Select [Lo.T] or [Hi.T] to display the highest or lowest process value measured:
•
Lo.T = Minimum temperature value
•
Hi.T = Maximum temperature value
Delete memory:
u
Select[Lo.T] or [Hi.T].
u
Briefly press [●].
u
Keep [▲] and [▼] pressed.
w
[----] is displayed.
u
Briefly press [●].
It makes sense to delete the memories as soon as the unit operates under normal operating
conditions for the first time.