The following table shows the error codes and the
respective solution for the problem.
Error
code
Cause Remedy Per-
sonnel
01 Empty water tank
n Check water level. Top up water tank, if
required (
Ä
Chapter 5.3 “Filling the water
tank” on page 37).
n Check water level electrodes for contam-
ination and clean if required
(
Ä
Chapter 6.3.1 “Monthly cleaning”
on page 45).
n Was distilled water used? If yes, top up
with faucet water.
n Check connection of water level elec-
trodes.
n If an automatic water supply is used,
check it for functionality.
Operator
02 UV lamp (optional
accessory) is defective
n Replace UV lamp (
Ä
Chapter 8.5.2
“Replacing the UV lamp” on page 75).
Operator
04 Water tank overfilled
(only possible on auto-
matic water supply
(optional accessory))
n Check functionality of solenoid valve.
n Check water level electrodes for contam-
ination and clean if required
(
Ä
Chapter 6.3.1 “Monthly cleaning”
on page 45).
Operator
Error code display
Detect and remedy malfunctions
2013-11-04 Evaporation Humidifier B500 Professional 55