Malfunctions
31
11 Malfunctions
Danger
Danger of death: live components!
Do not open any machine covers or machine parts if this requires tools. There is a risk of
electric shock.
Only an authorised service technician may work on the electrical system. The machine must
first be disconnected from the mains supply.
Faults are displayed in the info field in the form of pictograms. If many malfunctions occur, while washing is
still possible, the end wash result will be impaired. Therefore please rectify any malfunction as soon as
possible. If you are unable to rectify the malfunction yourself:
Contact an authorised service technician.
IMPORTANT
All pictograms related to the tank and the warewashing system basically apply to the left and
right side for the UF-XL.
Pictogram
Meaning
Possible cause
Remedy
Door is open
Programme start attempted
with opened door
Close door.
Lack of detergent
④
Detergent container is empty
Replace the container.
INFO
If the container has not been
replaced after 20 wash cycles, the
dosing device is automatically
deactivated.
Lack of crust cracker
④
Crust cracker container is
empty
Lack of rinse aid
④
Rinse aid container is empty
Lack of defoamer
④
Defoamer container is empty
Lack of water
Water stop cock closed
Open the water stop cock.
The dirt filter in the dirt trap is
blocked
Remove and clean the dirt filter
(
10.3).
Solenoid valve defective or
blocked
Contact an authorised service
technician for the repair.
Error signal from
external water
treatment
External full or partial
demineralisation cartridges
used up
Partial demineralisation cartridge:
Replace cartridge.
Full demineralisation cartridge:
Replace the cartridge resin.
Error signal from external water
treatment.
Check the external water treatment.
Service interval
expired
A defined number of operating
hours or wash cycles has been
reached.
Contact an authorised service
technician for maintenance.
Check the
calcification
A defined number of operating
hours has been reached.
Start descaling programme
(
7.5.1).
Error related to upper
wash arm
Wash arm blocked (e.g. by high
wash items)
Remove the obstruction.
Wash arm incorrectly fitted
Unscrew wash arm, install with jets
pointing downwards and secure in
place.
④
Pictogram only appears if a suction tube with level control is connected
