81
Fault Isolation
Nortec EL
2582954_D_EN_1811_Nortec-EL_OM
Code
Message
Probable Cause
Corrective Action(s)
Warning
Fault
W27
E27
Foam Cyl
Foaming Cyl (on fault)
Foam detected in the steam cylinder.
Foam in the steam cylinder.
– Manually Initiate drain of the
steam cylinder – refer to
Initiate Steam Cylinder Draining" on
. Repeat several times,
if necessary.
– Check the quality of the water
supply.
Backpressure may be preventing
water from entering the cylinder.
– Check for restrictions and proper
condensate removal in the
steam line.
– If water goes down the drain
during the fill cycle, install a fill
cup extension kit.
Water may be contaminated with
organic material.
– Install a filter to remove the
organic material.
Drain may be blocked due to over-
concentration of minerals.
– Clean the drain line.
Humidifier short cycling.
– Check that the humidifier can
run normally long enough to per
-
form a drain cycle. If not, enable
the
W28
–
Cylinder Spent
Steam cylinder replacement required.
Electrodes in steam cylinder spent.
– Replace the steam cylinder –
.
–
E29
Cyl Fault
Steam cylinder replacement overdue.
Electrodes in the steam cylinder fully
spent.
– Replace the steam cylinder –
.
W32
–
CTRL Sigal
(or)
RH Signal
Invalid humidity demand signal.
Humidity sensor/humidistat not con
-
nected correctly.
– Check connection.
Signal type for the sensor/humidistat
signal incorrectly configured (e.g.
mA instead of V signal) in control
software.
set
-
ting for the sensor/humidistat in
the control software.
Defective humidity sensor/humidistat.
– Replace defective sensor/
humidistat.
W34
–
Rem Disable
The humidifier is disabled remotely by the BMS (building management
system).
W35
–
BMS T/O (timeout)
The maximum wait time without any communications from the BMS has
been exceeded. If the signal
is set to "Analog", the humidifier will
continue operating; otherwise it stops producing steam until communica
-
tions with the BMS is re-established.
W42
–
RH High
Sensed humidity is above the maximum value configured in the software.
Incorrect layout of the humidity con
-
trol system, or defective components.
– Check the humidity control
system.
Humidifier capacity too large for the
space being humidified.
of the controller.
value for the sensor
signal is set too low.
– Adjust the RH High value for the
sensor signal.
W43
–
RH Low
Sensed humidity is below the minimum value configured in the software.
Incorrect layout of the humidity con
-
trol system, or defective components.
– Check the humidity control
system.
value for the sensor
signal is set too high.
– Adjust the RH Low value for the
sensor signal.
Summary of Contents for Nortec EL-Series
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