Siemens UL 1066 Operating Instructions Manual page 104

To access "Fixed screen display" mode, press the following
button:
In "Autoscroll" mode
In this mode, maintenance information is provided with the number of circuit breaker trips and switching operations as well as with
maintenance instructions. The information displayed depends on the number of circuit breaker trips operations.
Num.of.Trips...00000
Num.of.Ops.....00000
Num.of.Trips...00000
Num.of.Ops.....00000
Prepare for contact
maintenance
Button functions in "Fixed screen display" mode
+
"Tripping counter reset" submode
This mode makes it possible to reset the counter for the trips and the switching operations to zero.
NOTE
The counter should only be reset after contact maintenance.
If the counter is reset without contact maintenance having been performed, the maintenance information displayed will not correspond to
the actual condition of the contacts.
To access "Tripping counter reset mode", press the following
button(s)
In the "Fixed screen display" mode
Screens displayed in "Tripping counter reset" mode
Screen 1
Reset.Trips.and.Ops
Counter?
yes:. +
no:. .or.
9 – 24

Number of trips
Number of switching 
operations

Number of trips
Number of switching 
operations
Maintenance instructions
Change to next higher screen 
level
Change to "Autoscroll" mode
Change to "Tripping counter reset"
mode
+


This screen is used for safety
queries.
Reset the counter after contact
maintenance only.