33
Hauser
Fault
Reason
Remedy
Does not switch
on (LED output
off)
No power or power too low
(green LED does not light
up)
Check power at the emitter and
receiver
Emitter defective
Replace emitter
Attenuation of the product
too high
Adjust the sensitivity at the
receiver (see page 33)
Path of rays covered (e.g.
PTFE-diaphragm dirty)
Clean path of rays
Wrong installation (from
page 17)
Check installation
Does not switch
off (LED output
on)
Receiver defective
Replace receiver
Attenuation of the product
too low
Adjust the sensitivity at the
receiver
en - Troubleshooting
