
17
Troubleshooting
EN
HMS
9
Troubleshooting
Any malfunctions that cannot be removed by means of the measures
described in this chapter may only be repaired by the manufacturer.
10
Decommissioning, disposal
Dispose of the product in compliance with all applicable directives, standards
and safety regulations.
Electronic components must not be disposed of together with the normal
household waste.
Problem
Possible reason
Repair
Green LED is not on
No supply voltage
Apply supply voltage
Red LED is on
Alarm: Photoelectric
probe submerged
Remove the cause of
the alarm
Probe not connected
Connect the probe.
Red LED lights solid,
even if the probe is not
submerged in liquid
Short circuit in the probe Check the probe or
replace it
Line interruption in the
probe
Check the probe cable
The red LED is off even
though there is an alarm
condition
Light reaches the photo-
electric probe
Mount the probe at a dif-
ferent position or protect
the probe against light
Probe defective
Replace the probe
Other malfunctions
-
Contact the AFRISO
service hotline
1. Disconnect the product from mains.
2. Dismount the product (see chapter "Mounting", reverse
sequence of steps).
3. Dispose of the product.