Carel compactSteam, User Manual

Page: 54 / 60

26
ENG
“compactsteam” +0300092IE - rel. 1.3 - 16.08.2021
In the event of alarms, the red LED fl ashes, the alarm relay closes, activating
the remote signal (if installed) and the alarm code fl ashes on the display.
There are two types of alarms: warnings and shutdown alarms. The
former can be deleted by pressing the “reset/sel” button for 2 s, while the
latter are displayed until maintenance is performed. Multiple alarms fl ash
in sequence, alternating with the main display.
The table below (Tab. 5.a) shows all the alarm codes, with a description of
the problems that cause these and the actions required to restore normal
operation.
Display Description Action Red LED Alarm
relay
Notes
- -
Remote ON/OFF open Unit disabled
OFF OFF Jumper terminals AB-AB
EE
Internal memory error Contact the service centre
ON ON This should never occur in the fi eld;
have the appliance reprogrammed by
the service centre
EH Warning confi guration failure Complete the confi guration procedu-
re (see related paragraph) OFF OFF See paragraph “Starting”
E0
Control board confi guration not valid Unit disabled
ON ON This should never occur in the fi eld;
have the appliance reprogrammed by
the service centre.
E1
High current alarm Unit disabled
ON ON 1) Turn off ;
2) Check the connections;
3) Check the cylinder (no bridges of
lime scale between the electrodes);
4) Check that the electrodes are not
shorted.
E2
Low production, low conductivity of
the supply water or excessive foam/
lime scale in the cylinder Unit disabled.
Press the “reset/sel” button for 1 sec-
ond to delete the alarm
ON ON Check the conductivity of the supply
water and if necessary replace the cyl-
inder with the low conductivity version.
E3 Cylinder almost depleted Not resettable: the unit continues
producing steam; the warning is auto-
matically reset only when the humidi-
fi er is able to reach the required steam
production in kg/h Off Off Change cylinder (if necessary).
E4 Fill alarm, water not fi lling or fi ll too
slow (the current does not increase
within the set time) Press the “reset/sel” button for 1 sec-
ond to delete the alarm; otherwise,
the signal will be automatically reset
every 10 minutes until the supply
water is available again. ON ON 1) Check the water supply and the fi ll
valve;
2) Check for any leaks from the drain
pump;
3) Make sure the fi lter on the fi ll sole-
noid
valve is not blocked (Fig. 3.g);
4) Check that the steam outlet is not
wor king against excessive backpres
sure, preventing the fl ow of water
into the cylinder by gravity;
5) Check that the steam outlet hose
is not choked or that there are no
pockets of condensate;
6) Check that the power cables are
connected to the cylinder.
E5 Drain alarm, cannot perform the drain
(the current does not decrease within
the set time) Press the “reset/sel” button for 1 sec-
ond to delete the alarm ON ON
1) Make sure the drain pump is not
blocked
2) Check that there are no blockages in
the drain connection.
E7 Foam detected
Press the “reset/sel” button for 1 sec-
ond to delete the alarm
OFF OFF
If the problem persists, perform a num-
ber of cleaning cycles (see chapter 4.4
“Starting with a new cylinder”)
E8 Cylinder lifetime expired
Unit Disabled: Reset the hour counter
(read chap. Resetting the hour
counter”)
On On
Change the cylinder
E9 High temperature of the control device
(above 80°C / 176°F)
The signal is automatically reset if the
temperature falls below 80 °C / 176 °F.
OFF OFF
Replace the control device
Tab. 5.a