
Chapter 9 – Errors
47
Warning message
Possible causes
What you can do
Feed water quality bad/
exchange cartridge/
module
Conductivity of the feed water too
high
Conductivity = 40 µS
Still possible to start by repeatedly pressing
the K
EY
(S):
Feed water-supply off
External storage tank:
Empty containers, clean, rinse with fresh feed
water and fill with water of corresponding quality
according to VDE 0150
Mixed-bed resin pellets consumed
MELAdem
®
40:
Switch the mixed-bed resin pellets (Art. No.
61026) ,see Operating Manual for the water
treatment unit MELA
dem
®
40
Mixed-bed resin pellets in the after
ion exchanger
(3rd cartridge) consumed
MELAdem
®
47
:
Switch mixed-bed resin pellets (Art. No. 37470),
see Operating Manual for the water treatment unit
MELA
dem
®
47 and examine the unit
On repeated occurrence, have maintenance
carried out by MELAG customer service or service
of the specialist trade. Possibly the pre- and
activated carbon filter must be exchanged in
addition.
Mixed-bed resin pellets in reverse
osmosis facility consumed
Other water treatment unit:
Exchange module/ resin cartridge according to the
operating manual of the manufacturer
On repeated occurrence, carry out maintenance
NOTICE:
Initiate program start after completion of
the above-mentioned work. On the first start after
changing the water in the external storage tank or
after maintenance on the water treatment, this
warning text can appear once again since the inlet
hose/ measuring cell are still not completely
flushed with fresh water
Feed water quality
insufficient/ No start
possible
Conductivity of the feed water too
high
Conductivity = 65 µS
Start no longer possible:
See warning text: Feed water quality bad/ switch
cartridge/ module
Warning/ Exchange
sterile filter
min. / max. pressure on ventilation
drying is too low/ high
Sterile filter polluted or torn
Exchange sterile filter (MELAG Art. No. 20160)
NOTICE:
Message comes at the end of the
program and in last row on logging printouts:
Printer is not ready
The autoclave is operated without
printer although a printer is
registered
Select the option in the menu Data Transfer
No
printer
Printer is not correctly connected
Correct connection of the data cable to the
autoclave and test at the printer