Data Aire dap4 User Manual page 108

Alarm Screen Description &
Classification
Dirty Filter Dirty filter
switch is
detected
*Warning
Humidity Humidity
Sensor Sensor failure
*Warning
Custom Custom Alarm
message
*Warning
Clock Board Clock may not
Fault or Not function when
Connected power is off
*Warning
Unit in Standby Optional Alarm
switch set to
put unit in
(This is a not
an actual
Possible Causes
inhibits humidification
if any unit has recently
been dehumidifying
•
Dirty filter (detected by
tan mounted pressure
differential switch)
•
Calibrate differential
switch
•
Faulty Sensor
•
Loose Connection
•
Incorrect settings on
the controller
•
Loose sensor
•
Faulty sensor
•
Check connections for
polarity
•
Incorrect settings on
the controller
•
The indicated Custom
Alarm input has not
been assigned a
custom message or
given a name
•
Battery could be bad
or not re-charging
•
Optional Alarm switch
connected to DARA4
controller if installed
108
Corrective Actions
•
Check zone master settings and
temperature/humidity set points
of all units
•
Change Filter
•
Adjust differential pressure set
point of switch
•
Replace differential pressure
switch if needed
•
Check Connection and cable
•
Go to Menu L- Configure I/O and
change the Dirty Filter Switch
action setting
•
Check connection
•
Use sensor chart to check
sensor signal (in milliamps).
Replace sensor if required
•
Connect wiring to correct
connection points
•
Go to Menu L- Configure I/O and
check the Humidity Sensor
(U01) settings
•
Check this alarm switch setting
and assign it a name or custom
message
•
Replace battery (please contact
factory) for help.
•
Check DARA-4 wiring to units
and configuration