Data Aire dap4 User Manual page 111

Alarm Screen Description &
Classification
(gPOD units
only)
**Urgent
Low CO2 CO2 level is
higher than
alarm set point
(gPOD units
only)
*Warning
VFD Failure VFD alarm
relay is
energized
Pump-Down Compressor
failed to Pump-
Down
Exceeded
Maximum Time
or Count
**Urgent
Possible Causes
•
Incorrect settings
•
Faulty Sensor
•
Out of calibration
•
Co2 level is lower than
normal
•
Incorrect settings
•
Faulty Sensor
•
Loose Connection
•
Out of calibration
•
VFD has an alarm
•
Low or High Pressure
alarm
•
Suction pressure
remained above
pump-down setpoint
or rose after being
pumped down.
•
Alarm requires
acknowledgement to
clear
111
Corrective Actions
•
Check CO2 setpoint
•
Check CO2 Sensor
•
Calibrate sensor
•
Check Co2 Level
•
Check settings
•
Check Co2 Sensor
•
Check Connection and cable
•
Calibrate sensor
•
Check VFD's display for alarm or
warning.
•
When a low or high pressure
alarm occurs, it may cause the
VFD alarm to happen as well.
Resolve this by focusing on the
cause of the Low or High
pressure alarm.
•
Replace LLSV
•
Check Suction Pressure Sensor