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Part._blow-down
Full_blow-down
Blow-down_dilution(only
ELDB)
Max._current_blow-down
(only ELDB)
(Max._level_blow-down
(only HKDB)
Standby_blow-down
Start_blow-down (only
HKDB)
The respective blow-down
was not successful.
•
Blow-down pump is
not driven
- electrical wiring is not
o.k.
- Mainboard relay is
not energised
- Check wiring and re-
place, if required
- Measure voltage on
mainboard terminal 10
against N; replace
mainboard, if required
•
Blow-down pump de-
fective
•
Replace blow-down
pump
•
Blow-down pump is
working but water is
not drained (i.e. cylin-
der drain is blocked)
•
Check blow-down
pump, drainage sys-
tem and steam cylinder
for hardeners and
clean
•
Blow-down pump
blocked by scale de-
posits
•
Check blow-down
pump, drain system
and cylinder for scale
deposits and clean
•
Water sensor defec-
tive (only HKDB)
•
Replace water sen-
sor
090
Cylinder_full (only ELDB)
The sensor electrode con-
sistently reports cylinder full
status for 60 min
•
Low or widely fluctu-
ating water conductivi-
ty
•
Check feed water
quality; consult your
expert dealer, if
required
•
Electrodes worn out
•
Replace electrodes
•
No electrode cable
run through current
transducer
•
Run one phase
through current trans-
ducer
•
Salt bridges in steam-
cylinder upper part
•
Clean
•
Foaming (when soft-
ened water is used)
•
Increase blending
rate (bigger raw water
proportion)
091
Current_measurement
(only ELDB)
The current transducer
reading is not correct
•
Plug is not seated
properly on mainboard
•
Current transducer
defective
•
Check plug seating
•
Replace current
transducer
These icons
flash
Fa
ult
Code
Fault message
Possible cause
Countermeasure
