Maintenance And Repair; Function Testing - Pepperl+Fuchs KVF-O Manuel

OVERFLOW SENSOR KVF-O

Maintenance and repair

5 Maintenance and repair
5.1

Function Testing

Test frequency
The sensor is maintenance-free. However, to guarantee perfect operation of the
complete alarm system check the operation of the sensor at least once a year, or
more frequently in the event of unfavorable environmental conditions.
Checking the normal status
Suspend the sensor freely in air.
The green "SYSTEM OK" LED lights on the warning device.
Checking the alarm situation
1. Hold the sensor in your hand (no gloves). Only touch the upper and lower
metal section (
2. Immerse the sensor in water.
signal sounds.
Note!
Further information on connection of the sensors to the warning device is
available in the manual of the warning device NVD-111.
see Figure 2.1 on page 7) or
The red "OVERFLOW ALARM" LED lights and, if applicable, an acoustic
EN
EN - 13