6 Operation
6.1 Function of the display and operating elements
Drain/Info key
– press key shortly: Opens and closes the drain valve (manual
draining).
Note:thedrainvalveisautomaticallyclosedafter10minutes.
– presskeyforaextended period of time (>3 sec.):activatingthe
infomode
redLED“Error”
– in normal operating mode
– The LED lights in case of a malfunction of the unit. Further
operation is no longer possible, the heating voltage is inter-
rupted.
– TheLEDashesalternatelywiththegreenLEDiftheexternal
safety chain (ventilation interlock, safety humidistat, etc.) is
open.
– ininfomode
LEDashesinintervalsifamalfunctionispresent.Thenumberof
“ashes”perintervalindicatestheleftdigitoftheerrorcode.
yellowLED“Warningandinfoindication”
– in normal operating mode
TheLEDlightsifthecylindermaintenanceisdue(seechapter
7)
orthemaintenanceindicationisnotresetafterthemaintenance
(seechapter7.6).
– ininfomode
LEDashesinintervalsifamalfunctionispresent.Thenumberof
“ashes”perintervalindicatestherightdigitoftheerrorcode.
greenLED“Steam”
– in normal operating mode
– TheLEDlightsiftheunitproducessteam.
– TheLEDashesalternately withthe redLEDiftheexternal
safety chain (ventilation interlock, safety humidistat, etc.) is
open.
– ininfomode
LEDashesinintervals.Thenumberof“ashes”perintervalmul-
tipliedby10indicatesthecurrentsteamoutputin%.
Unit switch
Switchestheunitonandoff.Theswitchisilluminatedwhenthe
unit
is switched on.