58
gaSteam cod. +030221930 rel. 5.3 - 06.06.2005
controller
remote causes
solution
action
reset
alarm
relay
H
terminal CAREL
(once having tried the suggestion,
Humivisor
if the problem persists, contact
the CAREL service department)
E503
the PTC probe in the flue
• switch the machine off, check the
total
power
active
has measured an over
level of the water, clean the boiler
shut-down
OFF
temperature
and the exchanger
E504
low water level in the boiler
• check the correct supply of water
total
power
active
or level control fault
to the boiler;
shut-down
OFF
• turn the machine off and clean:
the boiler, the level control and
the fill solenoid valve
E505
high conductivity of the
• turn the machine off and clean the
total
power
active
supply water
water conductivity measuring
shut-down
OFF
electrodes;
• if the problem persists, change
the source of the supply water
or install a suitable treatment
system (demineralisation,
even partial);
• the problem will not be resolved
by softening the supply water
E511
autotest failed; probable
• make sure that the machine is
humidifier
manual
active
problems in: supply water,
receiving water (1 to 8 bar,
disabled
level control or water drain
0.1 to 0.8 MPa, 14.5 to 116 psi);
• make sure that the machine
drains the water;
• switch the machine off and
clean the level control and the
fill valve, the pump and the
drain filter
E513
electrical power not
• check the gas pressure;
humidifier
manual
active
available; on machine
• check the operation of the
disabled
start-up no steam is
blower, the flue and the
produced or the water is
air outlet
not pre-heated
gaSteam 90
burner fault, fume
• burner flame
humidifier
manual
ON
exhaust or air inlet
malfunction;
disabling
(button 3
obstructed; gas cock
check the connection
fig.6.3.1)
E514
no water
• check that the supply pipe from
humidifier
manual
active
the water supply to the humidifier
disabled
and the internal pipe is not
blocked or choked and that the
pressure is sufficient (1 to 8 bar,
0.1 to 0.8 MPa, 14.5 to 116 psi);
• check the operation of the
fill solenoid valve;
• check that the steam supply
does not have to work against
excessive back-pressure,
preventing the flow of water into
the boiler due to gravity;
• check that the steam supply
pipe is not choked or that there
are no pockets of condensation
E515
foam in the boiler
• foam is usually due to the presence
warning-
manual
not
during boiling
of surfactants in the water
active
(lubricants, solvents, detergents,
water treatment or softening agents)
or an excessive concentration of
dissolved salts. Drain the water
supply line;
• clean the boiler
