Kübler 901 Instructions D'utilisation page 13

1.8 Start-up
• Is the device properly set and programmed
(function; max. counting frequency for coun-
ters)?
1.9 Failure possibilities and causes
Impossible to use the keys:
• Key lock input activated
Counter does not count:
• Wrong or reversed wiring of the counting input
• Setting of an input signal not matching the
pulse generator.
• No ground connection between the pulse
generator and the counter.
• Signal levels do not reach the switching
threshold of the counter.
Relay output signal missing:
• Output contact short-circuited
• Output signal (fugitive signal duration) pro-
grammed too short
• Relay contact defective due to excessive load
• Relay current below min. value
Displaying noFunc:
• Battery is unloaded and must be replaced.
If, despite all, your device still does not operate,
contact your local representative or call us
directly for technical support.
When sending your device back, please attach
a short description of the failure, of the program-
ming and of the connection diagram, in order to
allow us to reproduce a possibly existing defect
and to repair your device as quickly as possible.
2. Inputs
2.1 Reset input terminal 6
This input is connected functionally in parallel
with the red Set key and sets the counter to
zero in case of adding counting and to the pre-
set value in case of subtracting counting. The
reset function is dynamic.
Page 3 | ENG