8�3 Interference Indicators - autosen AS001 Bedienungsanleitung

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8.3 Interference indicators
0 1 2 3 4 5 6 7 8
0 1 2 3 4 5 6 7 8
0 1 2 3 4 5 6 7 8
0 1 2 3 4 5 6 7 8
Display OFF
(no LED lights):
Display briefly OFF
(LEDs go off when a button is
pressed)
9 Troubleshooting
If high-flow adjustment (→ 7.3) or low-flow adjustment (→ 7.6) is not possible,
all LEDs flash red� The unit then returns to the operating mode with unchanged
values�
Possible causes
Error during installation of the flow sensor�
The difference between maximum flow and
minimum flow is too small�
The sequence high-flow / low-flow adjust-
ment was not adhered to�
32
Short circuit at switching output OUT1�
The operating indicator and 5 red LEDs on the left
light alternately�
[x10°C]
If the short circuit has been rectified, the unit imme-
[x10°C]
diately passes into the normal operating state�
The current operating state is displayed�
Short circuit at switching output OUT2�
The operating indicator and 5 red LEDs on the right
light alternately�
[x10°C]
If the short circuit has been rectified, the unit imme-
[x10°C]
diately passes into the normal operating state�
The current operating state is displayed�
Operating voltage too low (< 19 V) or failed�
Ensure a correct voltage supply�
The active LEDs go off briefly when a button is
pressed if
- an IO-Link communication is active (temporary
locking)
- or the sensor is permanently locked (→ 7.9).
After approx� 0�6 seconds the last operating state
is displayed�
Corrective measures
► Read chapter → 4 Installation. Check
whether all requirements have been
met�
► Increase the flow difference and carry
out the adjustment again�
► Carry out the two adjustment operations
again in the right sequence�