Operating instructions
41
12  Maintenance / Service
 y Dry the monitoring bracelet with a cloth after use.
 y Charge the battery if the red LED on the monitoring bracelet ashes at one-sec-
ond intervals (when the unit is out of the water). See Charging the monitoring 
bracelet’s battery, P. 31.
 y Occasionally clean the water contacts on the monitoring bracelet using methyl-
ated spirits.
 y Protect the water contacts from soiling (e.g. sun cream).
 y Clean the alarm box and cable with a damp cloth. Never use cleaning agents 
that contain solvents. 
13  Troubleshooting
Problem Possible cause Solution
An alarm is not triggered 
during the test with a 
monitoring bracelet.
The alarm box is not 
connected to the power 
supply.
Connect the alarm box to 
the power supply.
The monitoring bracelet’s 
battery is discharged
(no LEDs illuminate).
See Charging the monitor-
ing bracelet’s battery, P. 31.
The alarm depth set on 
the monitoring bracelet is 
deeper than the immer-
sion depth. 
Verify the monitoring 
bracelet settings.
The monitoring bracelet 
does not detect water.
Clean the water contacts,
see Maintenance / Service, 
P. 41.
The pool sensor is incor-
rectly tted into the 
mounting ring.
Ret the pool sensor with 
the word "Sensor" facing 
into the swimming pool.
During the test the alarm 
was not triggered from 
all parts of the swimming 
pool
The pool sensor cannot 
receive the alarm.
Reposition the pool sen-
sor.










