15
Operation
EN
HMS
7
Operation
The green LED at the control unit lights. If the photoelectric probe detects liq-
uid, the electrical output signal of the probe changes and the control unit trig-
gers a visual alarm.
•
The red LED lights solid
•
The power outlet in the control unit is switched off
No alarm is triggered in case of a power outage. When supply voltage is
restored, the product immediately resumes operation. If, in between, an
alarm has occurred, the product triggers an alarm once power is available
again.
7.1
Operation
Operating the product is limited to its regular monitoring:
•
The green LED is on
•
The red LED is off
•
The connected device is ready for operation
7.2
After an alarm condition
After the alarm, the photoelectric probe must be checked for pollution.
Verify that there are no remainders of the liquid or deposits between the
transmitter and the receiver of the light barrier.
1. Remove remainders of liquid between the transmitter and the receiver.
2. Carefully clean the probe with a dry, lint-free cloth (see "Wartung").
3. Replace the probe if deposits or encrustation have formed between the
transmitter and the receiver of the light barrier.
4. Perform a function test.