Data Aire dap4 - Alarms Overview; External Temperature and EVD Alarms; Phase Loss and High CO2 Alarms

122
Alarm Screen
Description &
Classification
Possible Causes
Corrective Actions
• Faulty Sensor
• Refrigerant charge is
incorrect
• Use Sensor Chart to check
Return Air temp sensor
• Check Sub cooling and
Superheat
Chilled Water
E/S Temp too
High
The CW
temperature is
above the E/S
set point
*Warning*
• CW cooling is locked
out due to high
temperature.
• CW cooling is locked out until
temperature drops below E/S
setpoint minus deadband.
Override
Manual
Override Alarm
*Warning
• One or more Manual
Override switches are
switched to on position
• Incorrect settings of
digital input on the
controller
• Switch Manual Override
switches to off position
• Go to Menu L- Configure I/O and
change Manual Override Switch
action setting
Air Flow
No Airflow
detected
**Urgent
• No air flow
• Speed of blower motor
to low
• Bad blower motor
• Current Sensor not
sensing current
• Loose Connection
• Dirty filter
• Faulty Current Sensor
• Incorrect settings of
digital input on the
controller
• Check airflow
• Check fan speed
• Check blower motor windings
and amp draw
• Adjust Current Sensor
• Check Connection and cable
• Check filter
• Replace sensor if necessary
• Go To Factory Settings in Menu
J scroll down to Fan Settings
and enter the correct information
• Go to Menu L- Configure I/O and
change the Air Flow Switch
action setting
Water Flow
No Water Flow
• No water flow
• Check pump