Westric DW Series, Installation, Operation And Maintenance Manual

Page: 30 / 48

76-1002-00 Page 30 of 48
Humidifier failures
RED
PULSES
OF
LED
DESCRIPTION
AND
CAUSES
TROUBLESHOOTING
ALARMS
TYPE RESET ALARM RELAY
2 short
Electrode over
current
1.
High water
conductivity
(usually when starting
after a short stop)
2.
High water level
due to drain valve
malfunction.
3.
High water level
due to filling valve
output
4.
Electrode
malfunction.
1.
Drain some water and restart.
2.
Check if the drain valve is
working properly.
3.
Check if there is any loss in
filling valve when not running.
Locked Manual Enabled
3 short
No voltage in the
electrodes with unit
on, no steam
produced.
1.
Check external command
signals
2.
Switch off the
unit and disconnect it, check
electrical connections
Blocked Manual Enabled
4 short
Internal Memory Error
1.
Download humidifier
configuration
2.
If problem continues, please
contact CAREL service
Blocked Manual Enabled
5 short
High Water
Conductivity
1.
Check limit system per
parameter, b6 via RS485.
2.
Switch off unit and clean
electrode conductivity sensors.
3.
Install a suitable water
treatment system
Blocked Manual Enabled
2 long
Saturated Cylinders
Start Maintenance or Replace
Cylinder
Warning Manual Unaffected