User manual
21
ENG
“UE BASIC” +030220630 - rel. 2.2 - 07.11.2008
code display and
symbol
var. code
I89
meaning causes solution reset
(press)
alarm
relay
activation
e ect red LED
signal on
board (*)
(if terminal not
connected)
EU 2001Hex cylinder full
excessive water level
when unit producing
steam
with the machine o :
1. check for any leaks
from the 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
AUTO no signal only 8 slow 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 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 humidi cation
stopped
7 slow ashes
SU 2040Hex serial disconnected AUTO 2 slow ashes
PC - 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 ash: 0.2 seconds ON and 0.2 seconds OFF
Slow ash: 1 second ON and 1 second OFF










