Contract or, Countinuous on – Thermolec AcuSteam User Manual
Page 33

Page 31
CONTRACT
OR
Number of
fl ashes
of the red light
Error Description
Humidi
fi er
Status
Actions
to
be
T
aken
by the T
echnician
Reset
OFF
No error
The humidi
fi er is working
fi ne
None
Countinuous
ON
The
fl ood sensor under the tank
senses water in the pan.
Humidi
fi er immediately suspends the
ongoing operation. Heating elements and
supply valve are switched of
f.
The power
green light is blinking.
Turn power of
f. Check for leaks around the
tank clamp, SW valve and drain tube. Make
sure tank arrows align and gasket is sealing
properly
.
Automatic Reset when
Over
fl ow pan dries up.
1
The two water level sensors are
miswired or do not read the water
level properly
.
Humidi
fi er attempts to operate, then stops
because of wrong information from water
level sensors.
The power green light is
blinking.
Turn power of
f. Clean or replace HLS or LLS
water sensors. Check for proper wiring of
HLS and LLS sensors.
Automatic Reset when
switching main power ON
3
Inadequate water supply
. The
supply valve was open for more
than 6 minutes.
Humidi
fi er immediately suspends the ongo-
ing operation. Heating elements and supply
valve are switched of
f.
The power green
light is blinking.
Turn power of
f. Check SW valve circuit for
24V DC at the valve. Refer to manual (p. 20)
and check for proper drain installation. Make
sure SW shut-of
f valve is open, SW valve is
responding and SW tube is clear of debris.
Automatic Reset after
5 min or when switching
main power of
f and on
4
Inadequate drainage.
The tank
did not drain or the draining cycle
is too long.
Humidi
fi er immediately suspends the
ongoing operation. Heating elements and
supply valve are switched of
f.
The power
green light is blinking.
Turn power of
f. Check for proper drain setup
by referring to manual (p. 20). Check and
clean tank, SS siphon tube and silicon drain
tube if necessary
.
Automatic Reset when
switching main power ON
5
The air pressure switch does not
detect enough air pressure OR
the high limit HST
AT
(optional)
senses extremely high humidity
in the duct.
Humidi
fi er immediately suspends the
ongoing operation.
The unit goes back
to normal operation as soon as the error
condition disappears.
The power green light
is blinking.
Check if the FF motor is running. If not, turn
FF to continuous operation. Check
fl ow
sensor
(pitot tube) in duct for blockage, then make
sure plastic tube is connected properly from
fl ow sensor to PD switch under PC board in
unit (see manual). Change furnace
fi lter
if
needed.
Automatic Reset
when error conditions
disappear
6
Temperature inside the tank
exceeded the high temperature
cut-out setting.
The high temperature cut-out has tripped.
The humidi
fi er immediately suspends the
ongoing operation. Heating elements and
supply valve are switched of
f.
The power
green light is blinking.
Turn power of
f.
This is a serious condition and
will likely require assistance from a service
technician. Call 1-800-336-9130.
After pushing on the
thermal cut-out button,
automatic reset when
switching main power ON
22.
Detailed Error Codes
Legend: SS = stainless steel, FF = furnace fan, SW = supply water
, HLS = high level sensor
, LLS = low level sensor