Rev. 6.4 dated 2022-02
Software Released Version: 1
Part 1 • Page 14-4
Faults / Causes / Correction
Part 1 – Operating Instructions
(Eco)RO Dia II
Part 1 • Chap
ter 14
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Error 17
Leakage alarm
The level has dropped below
LSHAL1 during standby mode
break or intermediate rinsing,
or a difference FISCAL 1 =>
FISCAL2 is determined during
intermediate rinsing.
No
System off
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Error 18
Pumps failed
All motor protection switches
on pumps have failed
No
System off
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Error 19
No perm. available
No impulses from
F FISCAL2
60
sec
System off
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Alarm 20
Water press. too low
Menu Reset
Level has dropped below
minimum pressure at pressure
switch PSAL2.
Fault only for emergency mode
RO II
5 sec
Yes Alarm 20 shuts M3 off
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Error 20
Water press. too low
Menu Reset
Level has dropped below
minimum pressure at pressure
switch PSAL2 three times
within one minute.
Fault only for emergency mode
RO II
5 sec
Yes System off,
3 x Alarm 20 within 60 s = Error 20
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Alarm 21
Temperature too high
Menu Reset
Temperature limit value sensor
has been triggered
No
Yes
Yes Forced discharge via Y9 for
3 minutes in order to reduce
temperature by adding fresh water
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Error 21
Temperature too high
Menu Reset
After 3 min alarm 21 or
temperature limit value
reached, then Error 21
No
Yes
Yes System off
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Alarm 22
Hard water alarm
Hard water alarm from external
monitor
Yes
System continues to run;
Discharge acc. to parameters;
Dialyse mode menu:
- Water hardness
- With hardness alarm discharge
concentrate after
- hardness alarm delay of
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Error 23
Control voltage ROI
Automatic fuse has failed
No
System off
Permit in dialysis mode using the
RO II emergency mode key
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Error 23
Contr. volt.displays
Automatic fuse has failed
No
System off
Alarm / Error
Cause / Condition
De
lay
Self-
ackn
owle
dgin
g
Reset key +
Ack
.
on
re
mo
te
con
trol
Operating phase initiated