22
ENG
“UE BASIC” +03U0042EN - rel. 1.3 - 10 May 2013
code display and
symbol
var. code
I89
meaning causes solution reset (press) alarm relay
activation
eff ect red LED signal
on board (*)
(if terminal not
connected)
EU 2001Hex cylinder full
excessive water level
when unit producing
steam
with the machine off :
1. check for any leaks
from the fi ll electrovalve
or the condensate
return
pipe
2. check that the level
sensors are clean
total shut-down pipe
2. check that the level
sensors are clean
total shut-down
-- no signal only 8 slow fl ashes
EC
1002Hex high conductivity
high supply water
conductivity
1. check water conductivity
2. if the problem
persists, change the
source of supply water
or install a
suitable treatment
system
(demineralisation, even
partial).
N.B.: the problem will
not be resolved
by softening the supply
water.
AUTO no (b5) signal only 5 fast fl ashes
yes (b6) humid.
stopped
E3 - 2002Hex failed connection of
modulating signal
Cable interrupted
/ disconnected /
improperly connected.
check the reference signal
in 4 to 20 mA or 2 to 10V
mode)
AUTO yes humidifi cation
stopped
7 slow fl ashes
SU 2040Hex serial disconnected AUTO 2 slow fl ashes
Pre/Cln - cylinder cleaning started
signal
-- -- -- none
dr - cylinder drain activated -- -- -- none
dr /
TOT
- complete drain due to
inactivity
-- -- (both codes
alternate on
display)
AF
antifoam active -- -- -- none
Press ESC once to mute the buzzer, press ESC a second time to reset the alarm.
(*) Quick fl ash: 0.2 seconds ON and 0.2 seconds OFF
Slow fl ash: 1 second ON and 1 second OFF
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