User Guide

21 | P a g e
5.7 Alarms
In the event of an alarm, the red alarm LED will flash, the alarm relay will close, and the alarm code will flash in the display. Multiple
alarms will flash in sequence, alternating with the main display. Pressing the “RESET/SEL” button for 2 seconds will reset the
alarms, although still active alarms will continue to display.
Display
Description
Action
Red
Led
Alarm
Relay
Notes
--
Remote on-off open
Unit disabled
Off
Off
Jumper terminals AB-AB
EH
Unit not configured.
If no selection is made within 10
seconds, the unit will start using
the default setting Option 3.
On
On
Unit will produce
steam. The unit can be
configured again the next
time it is turned on.
E1
High current alarm
Unit disabled
On
On
Turn off, check
connections, check
cylinder (no limescale
bridges between
electrodes, no electrodes
short-circuited)
E2
Low production, low supply
water conductivity or
excessive foam/limescale in
the cylinder
Unit disabled
Press “RESET/SEL” key for 1
second to reset
On
On
Check supply water
conductivity, replace the
cylinder.
E3
Cylinder almost exhausted
Press “RESET/SEL” key for 1
second to reset
Off
Off
Change cylinder (not
urgent)
E4
Fill alarm, unable or slow
fill (current does not
increase within timeout)
Press “RESET/SEL” key for 1
second to reset, otherwise the
warning will be reset
automatically every 10 minutes
until the supply water is
available again
On
On
Check water supply and fill
valve; check drain pump
for leakage;
Make sure the filter on the
fill solenoid valve is not
blocked; check that the
steam outlet is not
working against excessive
backpressure; check that
the steam outlet hose is
not choked or that there
are no pockets of
condensate;
check that the power
cables are connected to
the cylinder.
E5
Drain alarm, unable to drain
(current does not decrease
within timeout)
Press “RESET/SEL” key for 1
second to reset
On
On
Check drain pump and
drain connection
E7
Foam detected
Press “RESET/SEL” key for 1
second to reset
Off
Off
If foam continues, perform
additional cleaning cycles.
E8
Cylinder lifetime expired
Unit disabled: reset the hour
counter (read chap. “Resetting
the Hour Counter”)
On
On
Change the cylinder if
necessary
E9
High controller temperature
(above 176°F / 80°C)
The warning is automatically
reset if the temperature
decreases below 176 °F / 80 °C
Off
Off
Check the ambient
temperature, replace the
controller