SI5012
Flow monitor
16
11 Troubleshooting
Display
Description
Corrective measures
LEDs go off briefly when a button is
pressed.
After approx. 0.6 seconds, the last oper-
ating status is indicated.
The device is permanently locked.
u
Unlock device.
LEDs are permanently off.
Operating voltage too low (< 19 V) or
failed.
u
Ensure correct voltage supply.
Operating indicator and red LEDs light
alternately.
Short circuit at the switching output.
u
Remove short circuit.
w
The device immediately returns to the
normal operating status and the
current operating indication appears
in the display.
LEDs flash red.
The device then returns to the operating
mode with unchanged values.
High-flow adjustment or low-flow adjust-
ment not successful.
u
Check whether all installation
requirements have been met.
u
Increase the distance between
maximum flow and minimum flow and
carry out the adjustment again.
u
Carry out the two adjustment
operations again in the right
sequence.