afriso AFA 11 Manual De Instrucciones página 80

6.3 Performing the function test
At the photoelectric probe
At low temperatures and in the case of liquids with a high viscosity, the liquid
may not be able to drip off completely. This may cause continuous alarm.
 Verify that the liquid to be detected is detected at all temperatures that
may be present at the installation site.
1. Submerge the probe into the liquid to be detected.
- The red LED lights up and the audible alarm sounds.
2. Press the acknowledge key at the control unit.
- The audible alarm is switched off.
- The red LED lights.
3. Remove the probe from the liquid.
- The red LED goes off.
If a continuous alarm is triggered, clean the probe (see chapter "After an
alarm condition").
At the control unit
1. Press the Test key
- The red LED lights up and the audible alarm sounds.
2. Release the Test key to terminate the function test at the control unit.
Function test power outage
1. Disconnect the mains voltage.
- The red LED goes off.
- The green LED goes off.
- The audible alarm sounds (only if a 9 Volt monobloc battery is inserted).
2. Apply mains voltage.
- The green LED is on.
Commissioning
29
AFA 11
EN