User manual
- 28 -
12� LED flashing code for malfunction
LED flashing code Cause Remedy
1 flash
every second
Operating malfunction Check connections,
change bulb, connect
neutral conductor
2 flashes
every 5 seconds
Faulty power supply Check connections,
change bulb, connect
neutral conductor
3 flashes
every 5 seconds
Overload, short circuit Check connections,
reduce output, reduce
number of bulbs con-
nected
4 flashes
every 5 seconds
Temperature too high Reduce output
5 flashes
every 5 seconds
Temperature too low Check place of use
Once the malfunction has been remedied, the sensor switch can be restarted by
pressing the button. For temperature faults only: the sensor automatically goes
to normal operating mode as soon as the temperature has returned to normal.