Carel gaSteam UG045 - Page 96

ENG
Code Alarm Cause Possible solution Reset Action
not
connected
ALA02
Limit probe
broken or
not
connected
Limit probe or second probe not
connected or damaged
Check probe connection and the type of control selected Manual
Stop
production
ALA03
Preheat.
probe
broken or
not
connected
NTC water temperature probe not
connected or damaged
Check preheating operation and the settings of the parameters on
screen Eb02;
Automatic
Stop
production
ALH01
High
humid/temp
(regulation
probe)
High humidity in the room (high
temperature with temperature
control)
Check operation of the probe and the limits set on screen c01 Automatic Signal only
ALH02
Low
humid/temp
(regulation
probe)
Low humidity in the room Check operation of the probe and the limits set on screen c01 Automatic Signal only
ALH03
High
humid/temp
(limitprobe)
High humidity at outlet Check the operation of the outlet limit probe Automatic Signal only
ALW01
Foam
presence
Entrainment of foam in the boiler
during boiling
The entrainment of foam is generally due to the presence of
surfactants in the water (lubricants, solvents, detergents, water
treatment or softening agents) or an excessive concentration of
dissolved salts. Purge the feedwater lines
Clean the boiler
Automatic Signal only
ALT01
Maintenance
required
Planned maintenance reminder
Stop the unit and carry out complete maintenance on the humidifier,
then reset the “boiler operating hours” counter (screen Ea07)
Automatic
(reset
operating
hours)
Signal only
Unit
shutdown
in relation
to water
hardness.
ALW02 Cylinder full
Boiler full of water to the high level
sensor on the cover, without
humidification request
Check the fill valve for leaks;
Check whether the high level sensor is dirty;
Check that there is no condensate return along the steam hose;
Automatic Signal only
ALA04
Conductivity
sensor
Conductivity meter not connected
or damaged
Check the connection of the conductivity meter for measuring
feedwater conductivity
Manual
Stop
production
ALR01
Retain
memory
error
Problem in the electronic controller Replace the controller Automatic Signal only
ALP01..4
Wireless
probe 1..4
offline
No communication with probe 1..4
Check binding between probe and access point, check the battery.
Check the probe signal level.
Automatic Signal only
ALM01
No model
selected
Model not set Set a model
Automatic
when the
model is
selected
Stop
production
ALN01..20
Network:
problem
with unit
1..20
Network unit alarm (see the specified
unit for details)
Carry out the checks based on the alarm displayed on the unit in
question
Automatic Signal only
ALP05..8
Warning:
low battery
wireless
probe 1..4
Battery discharged on wireless probe
1..4
Check battery charge, replace if necessary; Automatic Signal only
ALA05
Cannot read
main probe
Wireless
probe
All the main wireless probes are not
working
Check probe connections and binding to the access point
Stop -
automatic
Stop
production
96|13. Alarm table
gaSteam - UG +0300090EN rel. 1.2– 09.10.2018