afriso OM 1 Notice Technique page 79

Problem
Red LED is always on,
even if the probe is not
submerged in liquid
Pressing the Test but-
ton has no effect
Other malfunctions
Troubleshooting
Possible reason
Short circuit in the
probe
Line interruption in the
probe
Control unit defective
-
Repair
Check the probe
Check the probe cable
Replace the control unit
Contact the AFRISO
service hotline
OM 5 / OM 5+1 / OM 1
EN
33