Data Aire dap4 - Alarms Overview; Low CO2 and VFD Failure Alarms; AE Damper Alarms

123
Alarm Screen
Description &
Classification
Possible Causes
Corrective Actions
**Urgent
• Wiring problem
• Bad Flow Switch
• Incorrect settings of
digital input on the
controller
• Check electrical wiring
• Replace flow Switch
• Go to Menu L- Configure I/O and
change the Water Flow Switch
action setting
Floor Water
Senses water
at the floor
Urgent/Critical
• Water or moisture
detected on floor
• Faulty or damaged
sensor
• Faulty Water
Detection Module
• Incorrect settings of
digital input on the
controller
• Allow water or moisture to dry
and alarm will auto reset
• Check for 10K resistance,
replace sensor if necessary
• Check 24 volts at the Water
Detection Module
• Go To I/O Input in Menu L Floor
Water Switch and change the
Action
Humidity
Inhibited
Humidification
mode is
prohibited from
running
*Warning
• Optional alarm input
switch is configured to
inhibit humidifier
• BMS command sent
• Unit is in a Zone
Control network that
inhibits humidification
if any unit has recently
been dehumidifying
• Check optional alarm settings
and inputs
• Check BMS
• Check Zone Control settings and
humidity set points of all units.
Heat Inhibited
Reheat mode
is prohibited
from running
*Warning
• Optional alarm input
switch is configured to
inhibit reheat
• BMS command sent
• Unit is in a Zone
Control network that
inhibits humidification
if any unit has recently
been dehumidifying
• Check optional alarm settings
and inputs
• Check BMS
• Check Zone Control settings and
temperature/humidity set points
of all units