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INSTALLATION
TROUBLESHOOTING
12. Troubleshooting
Fault
Cause
» Remedy
Unit won’t heat up
Faulty magnetic valve
Check magnetic value oper-
ation, replace if necessary.
Faulty heating element
Check heating element, re-
place if necessary.
STB triggered
Remove cause of error,
press STB.
Water output sub-
stantially reduced
Scale / soiling
Descale unit.
Unit will nottop up Faulty magnetic valve
Check magnetic valve oper-
ation, replace if necessary.
Faulty electrical control
Check connections to
electronic sub-assembly,
replace if necessary.
Water flows from
the steam pipe
STB (steam) has triggered
Eliminate reason for fault
e.g. descale unit, press STB.
Outlet won’t close
Scale residues under tap
seal
Remove and clean if neces-
sary.
Damaged tap seal
Replace tap seal.
13. Maintenance
Disconnect unit all-pole from the mains when working
on it!
13.1 Service
mode
The unit may be placed in service mode for easier access. The
following steps are necessary for this purpose:
»
Disconnect electricity and water supply.
»
Remove lower unit cover by loosening the screws.
»
The unit must be emptied through the drain valve (see chap-
ter "Installation / Water connection").
2
6
_0
2_0
4
_0
1
9
2
1
2
1 Heating flange
2 Service clip
»
Loosen service clip.
»
Remove unit from the wall from the bottom, insert service
clip in the strap and secure with a screwdriver.
13.2 Descaling the unit
The unit can be descaled after demounting the heating element.
13.3 Drain
funnel
The drain funnel may dry out from time to time. Top up if neces-
sary (to prevent odour).