V-ZUG CombiSteamer V4000 Operating Instructions Manual page 58

9 Trouble-shooting
Problem
▪ Control panel
steams up
▪ The appliance
makes noises
during opera-
tion
▪ Clock is not
running cor-
rectly
9.3 After a power failure
The user settings remain unchanged.
Brief power failure during operation
– The current operation of the appliance is cancelled.
– The following appears in the display when the appliance is switched on: «Process
was cancelled due to a power failure».
▸ Press «OK» to confirm the message.
– The start screen appears.
Brief power failure during descaling
– The descaling process is interrupted.
– The following appears in the display when the appliance is switched on: «Power
failure. Descaling is resumed.»
▸ Press «OK» to confirm the message.
– The descaling process resumes.
Prolonged power failure
The appliance goes through its initial set-up process after a prolonged power failure.
However, only the time and date need to be reset in order to operate the appliance
again. It is not necessary to make any other settings.
– If a descaling process was running, the descaling process continues.
58
Possible cause
▪ Steam escaping dur-
ing applications with
steam.
▪ Appliance can make
noises at any time
during operation
(switching, pumping
and fan noises).
▪ Irregular mains fre-
quency.
▪ Internal pulse gener-
ator is imprecise
when mains syn-
chronization is turned
off.
Solution
Briefly steaming up is normal.
▸ When closing the appliance door
make sure that it forms a seal all the
way round.
▸ If it continues to steam up heavily,
contact Customer Services.
Such noise is normal.
▸ Turn off the mains synchronization.
Or:
▸ Connect the appliance to the internet.
▸ The time is automatically synchron-
ized.
▸ Contact Customer Services.