Westric IW Series, Installation, Operation And Maintenance Manual

Page: 70 / 82

76-5276-05 Page 70 of 82
Humidifier Troubleshooting
Red LED
on board
description cause solution
reset
(press)
alarm
relay
activation
action
2 fast flashes Excess electrode
current: current>
maximum limits Conductivity of
the water too high,
errata configuration
TAM The water conductivity must
be between 75 and1250
μS/cm. Softening the water
may worsen the problem AUTO yes humidif.
stopped
TAM electrical
circuit not
configured
correctly Switch unit off and
configure TAM jumper.
Switch unit on and check if
the alarm is repeated.
Malfunction in
the TAM electrical
circuit Check the correct
operation of the TAM
circuit:
1. Check the signal
generated by the TAM: this
must be between 0-2 Vac.
2. Check the correct
connection between the
TAM and the board: restore
the connection if necessary.
3. Replace the TAM. 4.
Replace the board
3 fast flashes Internal memory
error The software or
the configuration
parameters are
corrupted.
Download the correct
configuration via humiSet;
replace the board.
- yes humidif.
stopped
4 fast flashes Configuration
parameter error. The configuration
parameters are
corrupted - yes humidif.
stopped
5 fast flashes Conductivity of the
water too high. The
alarm occurs:
• After 1 hour if
conductivity > b6
for more than 1
hour,
OR
• Immediately if
conductivity > 3x b6 High water
conductivity alarm
threshold. Increase the high water
conductivity alarm
threshold with parameter
“b6”. AUTO yes signal
only
humidif.
stopped
Conductivity of the
water higher than
1250 μS/cm. Treat the supply water
with RO and ensure the
minimum supply water
requirements (see the KUE
manual) .
The water conductivity
must be between 75 and
1250 μS/cm. Softening
the water may worsen the
problem.
Conductivity
probes short-
circuited. Clean the probes
Malfunction in the
conductivity meter
electrical circuit a. Check the correct
operation of the
conductivity meter
electrical circuit:
1. Check the electrical
connections between the
conductivity meter and
the board: if necessary,
restore the connection.
2. Replace the conductivity
meter/fill tank.
3. Replace the board.
4. Replace the board..
Red LED on
board (if terminal
not connected)
(*) description cause solution reset
(press) alarm relay
activation action
6 fast flashes memory backup
fails internal memory
error if the problem persists,
contact the CAREL service
center -- no signal
only
7 fast flashes Maintenance time
expired. This is
displayed when:
hour counter >
bb (default 3000
hours). Maintenance time
expired. Replace /clean the
cylinder, then set the hour
counter to zero via RS485. ESC no signal
only
8 fast flashes Life timer expired.
This is displayed
when the hour
counter> 1.5xbb
(default 1.5x3000 =
4500 h) Life timer expired. Replace /clean the
cylinder, then set the hour
counter to zero. counter
reste yes humidif.
stopped