Fault description Cause Remedy Per-
sonnel
Device does not
react to remote
control.
Battery is
empty or incor-
rectly inserted.
Check battery and replace, if
required. Ensure the correct polarity
(
Ä
“Commissioning the humidifier”
on page 31).
Operator
Distance
between
remote control
and device is
too large.
Decrease distance to maximum 1
meter (3 feet).
Operator
Automatic water
supply (optional
accessory) does no
longer top up water.
Defective auto-
matic water
supply (optional
accessory).
Have the automatic water supply
repaired by a licensed plumber or by
authorized personnel of the manufac-
turer.
Licensed
plumber
Manufac-
turer
Automatic water
supply (optional
accessory) is con-
tinuously running.
Solenoid valve
does not close.
Check water level electrodes for con-
tamination and clean, if required
(
Ä
Chapter 6.3.1 “Monthly cleaning”
on page 45).
Operator
Defective sole-
noid valve.
Have the solenoid valve replaced. For
this, contact your local retailer.
Licensed
electrician
The wireless sensor
system gives an
acoustic signal.
Batteries in the
wireless sensor
system are
empty.
Replace batteries. Operator
Newly inserted bat-
teries do not work.
Batteries have
been wrongly
inserted –
polarity not
respected.
Insert batteries correctly
(
Ä
Chapter 4.3 “Commissioning the
humidifier for the first time”
on page 29).
Operator
00% appears on
the display. Should
the target value be
adjusted, then 90%
appears.
Operation via
an external
timer is active
(menu number
34).
Deactivate operation via an external
timer, by changing the value of menu
number 34 to 00 (
Ä
Chapter 5.6
“Changing the menu settings”
on page 40).
Operator
A number between
01 and 09 appears
on the control panel
display. In addition
an alarm sounds.
Except for the
[ON/OFF] button as
The monitoring
system of the
humidifier has
detected a
problem.
The meaning of the error and the
respective remedy is described under
Ä
“Error code display” on page 55.
Operator
Detect and remedy malfunctions
2013-11-04Evaporation Humidifier B500 Professional58
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