Owner's manual
CONTRACTOR
Page 29
Number of
fl ashes of the
red light
Error Description Humidifi er Status
Actions to be Taken
by the Technician
Reset
OFF
No error The humidifi er is working fi ne None
Countinuous
ON
The fl ood sensor under the tank
senses water in the pan.
Humidifi er immediately suspends the
ongoing operation. Heating elements
and supply valve are switched off.
Turn the main power OFF, then
- Check the drain tube
- Check for abnormal leaks
Automatic Reset when
switching main power
ON
1
The two water level sensors are
miswired or do not read the water
level properly.
Humidifi er attempts to operate, then
stops because of wrong information
from water level sensors.
Turn the main power OFF, then
- Check that the water level
sensors are in the right order
- Clean the sensors
Automatic Reset when
switching main power
ON
2
This code is not used on this
model - Reserved for future use
3
Inadequate water supply. The
supply valve was open for more
than 4 minutes.
Humidifi er immediately suspends the
ongoing operation. Heating elements
and supply valve are switched off.
Turn the main power OFF, then
check the water supply circuit
Automatic Reset when
switching main power
ON
4
Inadequate drainage. The tank
did not drain or the draining cycle
is too long.
Humidifi er immediately suspends the
ongoing operation. Heating elements
and supply valve are switched off.
Turn the main power OFF, then
check the drain tube
Automatic Reset when
switching main power
ON
5
The fan is not running.
Humidifi er immediately suspends
the ongoing operation. The unit goes
back to normal operation as soon as
the error condition disappears.
Check the wiring between the fan
module and steam generator.
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 humidifi er immediately
suspends the ongoing operation.
Heating elements and supply valve
are switched off.
Turn the main power OFF, then
- Check the steam hose for kinks
or blockage
- This is a very serious condition
After pushing on the
thermal cut-out button,
automatic reset when
switching main power
ON
22. Detailed Error Codes